Literature DB >> 22346927

Diisobutyl 4-(3-eth-oxy-4-hy-droxy-phen-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxyl-ate.

Hoong-Kun Fun, Madhukar Hemamalini, B Palakshi Reddy, V Vijayakumar, S Sarveswari.   

Abstract

The asymmetric unit of the title compound, C(25)H(35)NO(6), contains two independent mol-ecules. In each mol-ecule, the 1,4-dihydro-pyridine ring adopts a flattened boat conformation. The dihedral angles between the 1,4-dihydro-pyridine and benzene rings are 87.55 (7) and 87.23 (7)°. In one of these mol-ecules, one of the isobutyl groups is disordered over two sets of sites, with an occupancy ratio of 0.890 (2):0.110 (2). In the crystal, mol-ecules are linked through N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds forming two-dimensional networks parallel to the ab plane. The crystal structure is further stabilized by weak C-H⋯π inter-actions.

Entities:  

Year:  2012        PMID: 22346927      PMCID: PMC3274982          DOI: 10.1107/S1600536811055334

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For details and applications of dihydro­pyridines, see: Gaudio et al. (1994 ▶); Sunkel et al. (1992 ▶); Chapman et al. (1984 ▶); Peri et al. (2000 ▶); Zhou et al. (2005 ▶). For related structures, see: Palakshi Reddy et al. (2011a ▶,b ▶); Rathore et al. (2009 ▶). For reference bond-length data, see: Allen et al. (1987 ▶). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986 ▶). For ring comformations, see: Cremer & Pople (1975 ▶).

Experimental

Crystal data

C25H35NO6 M = 445.54 Triclinic, a = 12.7346 (2) Å b = 13.1180 (2) Å c = 15.7404 (2) Å α = 71.766 (1)° β = 89.813 (1)° γ = 76.150 (1)° V = 2417.50 (6) Å3 Z = 4 Mo Kα radiation μ = 0.09 mm−1 T = 100 K 0.59 × 0.23 × 0.13 mm

Data collection

Bruker SMART APEXII CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2009 ▶) T min = 0.951, T max = 0.989 33902 measured reflections 14658 independent reflections 10852 reflections with I > 2σ(I) R int = 0.030

Refinement

R[F 2 > 2σ(F 2)] = 0.047 wR(F 2) = 0.125 S = 1.04 14658 reflections 619 parameters 3 restraints H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.43 e Å−3 Δρmin = −0.25 e Å−3 Data collection: APEX2 (Bruker, 2009 ▶); cell refinement: SAINT (Bruker, 2009 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009 ▶). Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S1600536811055334/wn2463sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536811055334/wn2463Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536811055334/wn2463Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C25H35NO6Z = 4
Mr = 445.54F(000) = 960
Triclinic, P1Dx = 1.224 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 12.7346 (2) ÅCell parameters from 9498 reflections
b = 13.1180 (2) Åθ = 2.5–30.5°
c = 15.7404 (2) ŵ = 0.09 mm1
α = 71.766 (1)°T = 100 K
β = 89.813 (1)°Block, colourless
γ = 76.150 (1)°0.59 × 0.23 × 0.13 mm
V = 2417.50 (6) Å3
Bruker SMART APEXII CCD area-detector diffractometer14658 independent reflections
Radiation source: fine-focus sealed tube10852 reflections with I > 2σ(I)
graphiteRint = 0.030
φ and ω scansθmax = 30.6°, θmin = 1.7°
Absorption correction: multi-scan (SADABS; Bruker, 2009)h = −18→18
Tmin = 0.951, Tmax = 0.989k = −18→18
33902 measured reflectionsl = −22→22
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.047Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.125H atoms treated by a mixture of independent and constrained refinement
S = 1.04w = 1/[σ2(Fo2) + (0.0575P)2 + 0.4282P] where P = (Fo2 + 2Fc2)/3
14658 reflections(Δ/σ)max < 0.001
619 parametersΔρmax = 0.43 e Å3
3 restraintsΔρmin = −0.25 e Å3
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K.
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > 2σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/UeqOcc. (<1)
O1A0.65593 (7)0.22427 (7)0.32513 (6)0.01877 (18)
O2A0.68239 (7)0.37473 (7)0.35316 (6)0.01794 (17)
O3A0.54155 (7)0.73836 (7)0.14127 (6)0.02162 (19)
O4A0.46664 (9)0.75911 (8)0.00632 (6)0.0301 (2)
O5A0.45070 (6)0.68825 (7)0.47222 (6)0.01704 (17)
O6A0.24903 (7)0.65738 (8)0.47620 (6)0.01842 (18)
N1A0.41808 (8)0.43615 (9)0.12188 (7)0.0168 (2)
C1A0.49199 (9)0.36210 (10)0.19006 (8)0.0154 (2)
C2A0.55112 (9)0.40291 (10)0.23764 (8)0.0139 (2)
C3A0.52654 (9)0.52684 (9)0.22317 (8)0.0138 (2)
H3AA0.59680.54580.23040.017*
C4A0.47737 (9)0.59128 (10)0.12786 (8)0.0148 (2)
C5A0.41768 (9)0.54670 (10)0.08484 (8)0.0158 (2)
C6A0.49800 (10)0.24288 (10)0.20069 (9)0.0191 (2)
H6AA0.48920.20330.26330.029*
H6AB0.56860.20850.18390.029*
H6AC0.44010.23910.16180.029*
C7A0.63478 (9)0.33471 (10)0.30929 (8)0.0148 (2)
C8A0.72798 (10)0.15556 (10)0.40420 (9)0.0207 (2)
H8AA0.69080.15820.45910.025*
H8AB0.79350.18350.40470.025*
C9A0.75998 (11)0.03710 (11)0.40238 (9)0.0216 (3)
H9AA0.8038−0.00910.46000.026*
C10A0.66240 (12)−0.01007 (12)0.39875 (11)0.0296 (3)
H10A0.61640.00000.44700.044*
H10B0.6874−0.08930.40620.044*
H10C0.62060.02880.34070.044*
C11A0.83235 (12)0.02594 (12)0.32709 (10)0.0295 (3)
H11A0.89610.05350.33290.044*
H11B0.79190.06930.26910.044*
H11C0.8557−0.05220.33070.044*
C12A0.49199 (10)0.70315 (10)0.08419 (8)0.0180 (2)
C13A0.56687 (13)0.84422 (11)0.10141 (10)0.0301 (3)
H13A0.49960.90220.07460.036*0.890 (2)
H13B0.61650.84010.05340.036*0.890 (2)
H13E0.51210.90180.11290.036*0.110 (2)
H13F0.56750.86000.03760.036*0.110 (2)
C14A0.62011 (13)0.87297 (12)0.17352 (11)0.0249 (3)0.890 (2)
H14A0.56860.87700.22110.030*0.890 (2)
C15A0.72407 (14)0.78674 (14)0.21621 (13)0.0318 (4)0.890 (2)
H15A0.70800.71460.24380.048*0.890 (2)
H15B0.75620.80830.26230.048*0.890 (2)
H15C0.77520.78150.17020.048*0.890 (2)
C16A0.6415 (2)0.98703 (15)0.13148 (15)0.0487 (6)0.890 (2)
H16A0.57281.04190.10690.073*0.890 (2)
H16B0.69000.98500.08320.073*0.890 (2)
H16C0.67561.00750.17730.073*0.890 (2)
C14X0.6819 (10)0.8431 (9)0.1393 (8)0.0249 (3)0.110 (2)
H14C0.73870.78140.12940.030*0.110 (2)
C15X0.6729 (12)0.8237 (12)0.2361 (9)0.0318 (4)0.110 (2)
H15G0.74070.82660.26340.048*0.110 (2)
H15H0.65910.75060.26420.048*0.110 (2)
H15I0.61290.88100.24510.048*0.110 (2)
C16X0.7096 (17)0.9539 (12)0.0949 (11)0.0487 (6)0.110 (2)
H16G0.74600.97400.13980.073*0.110 (2)
H16H0.64281.01140.06920.073*0.110 (2)
H16I0.75780.94740.04720.073*0.110 (2)
C17A0.34730 (10)0.60315 (11)−0.00102 (8)0.0194 (2)
H17A0.33030.6836−0.01370.029*
H17B0.27990.57880.00460.029*
H17C0.38570.5840−0.05020.029*
C18A0.45270 (9)0.55975 (9)0.29224 (8)0.0138 (2)
C19A0.34741 (9)0.54636 (10)0.29630 (8)0.0164 (2)
H19A0.32110.51470.25670.020*
C20A0.28027 (9)0.57908 (10)0.35819 (8)0.0161 (2)
H20A0.20850.56970.36040.019*
C21A0.31732 (9)0.62515 (9)0.41644 (8)0.0145 (2)
C22A0.42302 (9)0.63953 (10)0.41269 (8)0.0143 (2)
C23A0.48984 (9)0.60620 (10)0.35129 (8)0.0147 (2)
H23A0.56180.61510.34940.018*
C24A0.56215 (9)0.69126 (11)0.47879 (9)0.0180 (2)
H24A0.58170.73620.42060.022*
H24B0.60980.61530.49470.022*
C25A0.57646 (11)0.74199 (12)0.55053 (9)0.0226 (3)
H25A0.65200.74560.55580.034*
H25B0.55800.69630.60800.034*
H25C0.52860.81700.53430.034*
O1B0.16199 (7)0.21473 (7)0.32189 (6)0.01890 (18)
O2B0.18733 (7)0.36622 (7)0.21617 (6)0.01867 (18)
O3B0.03283 (7)0.73069 (7)0.23134 (6)0.01937 (18)
O4B−0.03557 (8)0.75077 (8)0.35879 (6)0.0256 (2)
O5B−0.05533 (7)0.68711 (7)−0.06563 (6)0.01869 (18)
O6B−0.25198 (7)0.64538 (8)−0.05293 (6)0.01979 (18)
N1B−0.07913 (8)0.42474 (9)0.41615 (7)0.0163 (2)
C1B−0.00455 (9)0.35099 (10)0.38633 (8)0.0151 (2)
C2B0.05339 (9)0.39218 (9)0.31639 (8)0.0141 (2)
C3B0.02680 (9)0.51597 (9)0.26542 (8)0.0137 (2)
H3BA0.09650.53600.24730.016*
C4B−0.02275 (9)0.58084 (10)0.32699 (8)0.0148 (2)
C5B−0.08165 (9)0.53597 (10)0.39405 (8)0.0154 (2)
C6B0.00315 (10)0.23158 (10)0.43862 (8)0.0192 (2)
H6BA−0.00670.19160.39720.029*
H6BB−0.05340.22740.48100.029*
H6BC0.07460.19790.47170.029*
C7B0.13895 (9)0.32552 (10)0.28006 (8)0.0151 (2)
C8B0.24295 (10)0.14910 (10)0.28228 (9)0.0217 (3)
H8BA0.30910.17720.27560.026*
H8BB0.21470.15470.22200.026*
C9B0.27000 (10)0.02944 (11)0.34241 (9)0.0221 (3)
H9BA0.29860.02600.40260.027*
C10B0.35969 (13)−0.03770 (12)0.30230 (12)0.0351 (3)
H10D0.4231−0.00670.29700.053*
H10E0.3334−0.03430.24280.053*
H10F0.3799−0.11510.34140.053*
C11B0.17072 (12)−0.01796 (11)0.35487 (10)0.0271 (3)
H11D0.11810.02160.38650.041*
H11E0.1926−0.09690.39010.041*
H11F0.1376−0.00910.29610.041*
C12B−0.01152 (9)0.69405 (10)0.30992 (8)0.0170 (2)
C13B0.05064 (12)0.84019 (11)0.21072 (9)0.0262 (3)
H13C0.10200.84150.25720.031*
H13D−0.01870.89470.20950.031*
C14B0.09665 (11)0.86980 (11)0.12014 (9)0.0239 (3)
H14B0.04660.86070.07580.029*
C15B0.20785 (13)0.79489 (13)0.12074 (12)0.0364 (4)
H15D0.20270.71790.13690.055*
H15E0.25800.80150.16470.055*
H15F0.23470.81690.06100.055*
C16B0.10039 (14)0.99152 (12)0.09083 (11)0.0345 (3)
H16D0.02741.03830.08970.052*
H16E0.12661.01200.03070.052*
H16F0.14951.00230.13330.052*
C17B−0.15385 (10)0.59335 (11)0.44969 (8)0.0186 (2)
H17D−0.17560.67320.41770.028*
H17E−0.11450.57980.50710.028*
H17F−0.21860.56440.46060.028*
C18B−0.04746 (9)0.54802 (9)0.18026 (8)0.0142 (2)
C19B−0.15115 (9)0.53000 (10)0.18359 (8)0.0162 (2)
H19B−0.17590.49500.23970.019*
C20B−0.21870 (9)0.56281 (10)0.10547 (8)0.0164 (2)
H20B−0.28920.55000.10860.020*
C21B−0.18408 (9)0.61395 (10)0.02332 (8)0.0152 (2)
C22B−0.08020 (9)0.63357 (10)0.01904 (8)0.0151 (2)
C23B−0.01288 (9)0.59957 (10)0.09687 (8)0.0150 (2)
H23B0.05800.61140.09360.018*
C24B0.05475 (9)0.69473 (10)−0.07449 (8)0.0177 (2)
H24C0.10470.6197−0.05320.021*
H24D0.07240.7385−0.03800.021*
C25B0.06735 (11)0.75040 (11)−0.17204 (9)0.0225 (3)
H25D0.14210.7570−0.17950.034*
H25E0.01740.8244−0.19260.034*
H25F0.05070.7060−0.20750.034*
H1NB−0.1208 (12)0.3973 (13)0.4590 (11)0.025 (4)*
H1NA0.3762 (13)0.4104 (14)0.0925 (12)0.031 (4)*
H1OB−0.2134 (15)0.6488 (16)−0.0958 (13)0.044 (5)*
H1OA0.2866 (16)0.6559 (17)0.5198 (15)0.052 (6)*
U11U22U33U12U13U23
O1A0.0212 (4)0.0158 (4)0.0176 (4)−0.0015 (3)−0.0053 (3)−0.0052 (3)
O2A0.0202 (4)0.0195 (4)0.0148 (4)−0.0053 (3)−0.0024 (3)−0.0060 (3)
O3A0.0303 (5)0.0175 (4)0.0165 (4)−0.0079 (4)−0.0046 (4)−0.0032 (3)
O4A0.0471 (6)0.0257 (5)0.0152 (5)−0.0134 (4)−0.0056 (4)0.0000 (4)
O5A0.0146 (4)0.0236 (4)0.0181 (4)−0.0066 (3)0.0030 (3)−0.0126 (4)
O6A0.0142 (4)0.0293 (5)0.0146 (4)−0.0049 (3)0.0029 (3)−0.0115 (4)
N1A0.0162 (4)0.0217 (5)0.0134 (5)−0.0057 (4)−0.0015 (4)−0.0062 (4)
C1A0.0152 (5)0.0187 (6)0.0123 (5)−0.0044 (4)0.0019 (4)−0.0048 (4)
C2A0.0139 (5)0.0169 (5)0.0111 (5)−0.0035 (4)0.0019 (4)−0.0052 (4)
C3A0.0143 (5)0.0166 (5)0.0112 (5)−0.0041 (4)0.0015 (4)−0.0054 (4)
C4A0.0145 (5)0.0177 (6)0.0105 (5)−0.0018 (4)0.0004 (4)−0.0039 (4)
C5A0.0136 (5)0.0212 (6)0.0118 (5)−0.0021 (4)0.0016 (4)−0.0058 (4)
C6A0.0219 (6)0.0199 (6)0.0174 (6)−0.0070 (5)−0.0011 (5)−0.0072 (5)
C7A0.0145 (5)0.0172 (5)0.0127 (5)−0.0033 (4)0.0020 (4)−0.0056 (4)
C8A0.0224 (6)0.0184 (6)0.0180 (6)−0.0006 (5)−0.0051 (5)−0.0046 (5)
C9A0.0257 (6)0.0179 (6)0.0194 (6)−0.0031 (5)−0.0003 (5)−0.0050 (5)
C10A0.0348 (7)0.0236 (7)0.0304 (8)−0.0109 (6)0.0025 (6)−0.0060 (6)
C11A0.0342 (7)0.0230 (7)0.0301 (8)−0.0040 (6)0.0090 (6)−0.0092 (6)
C12A0.0191 (5)0.0196 (6)0.0148 (6)−0.0030 (4)0.0002 (4)−0.0063 (5)
C13A0.0453 (8)0.0194 (6)0.0233 (7)−0.0120 (6)−0.0109 (6)−0.0005 (5)
C14A0.0321 (8)0.0182 (7)0.0234 (8)−0.0038 (6)−0.0047 (6)−0.0070 (6)
C15A0.0289 (8)0.0236 (8)0.0414 (10)−0.0027 (6)−0.0101 (7)−0.0112 (7)
C16A0.0825 (16)0.0215 (9)0.0408 (12)−0.0187 (10)−0.0254 (11)−0.0037 (8)
C14X0.0321 (8)0.0182 (7)0.0234 (8)−0.0038 (6)−0.0047 (6)−0.0070 (6)
C15X0.0289 (8)0.0236 (8)0.0414 (10)−0.0027 (6)−0.0101 (7)−0.0112 (7)
C16X0.0825 (16)0.0215 (9)0.0408 (12)−0.0187 (10)−0.0254 (11)−0.0037 (8)
C17A0.0179 (5)0.0245 (6)0.0140 (6)−0.0022 (5)−0.0025 (4)−0.0062 (5)
C18A0.0140 (5)0.0147 (5)0.0113 (5)−0.0018 (4)0.0009 (4)−0.0037 (4)
C19A0.0164 (5)0.0210 (6)0.0131 (5)−0.0052 (4)−0.0004 (4)−0.0068 (4)
C20A0.0127 (5)0.0214 (6)0.0148 (5)−0.0052 (4)0.0009 (4)−0.0058 (4)
C21A0.0140 (5)0.0161 (5)0.0113 (5)−0.0012 (4)0.0018 (4)−0.0036 (4)
C22A0.0152 (5)0.0157 (5)0.0129 (5)−0.0036 (4)0.0004 (4)−0.0058 (4)
C23A0.0136 (5)0.0164 (5)0.0149 (5)−0.0040 (4)0.0015 (4)−0.0059 (4)
C24A0.0145 (5)0.0230 (6)0.0196 (6)−0.0070 (4)0.0023 (4)−0.0094 (5)
C25A0.0234 (6)0.0299 (7)0.0207 (6)−0.0123 (5)0.0035 (5)−0.0125 (5)
O1B0.0211 (4)0.0148 (4)0.0198 (4)−0.0023 (3)0.0066 (3)−0.0058 (3)
O2B0.0206 (4)0.0200 (4)0.0162 (4)−0.0049 (3)0.0052 (3)−0.0070 (3)
O3B0.0268 (4)0.0165 (4)0.0170 (4)−0.0073 (3)0.0041 (4)−0.0072 (3)
O4B0.0371 (5)0.0219 (5)0.0219 (5)−0.0071 (4)0.0056 (4)−0.0129 (4)
O5B0.0162 (4)0.0264 (5)0.0118 (4)−0.0080 (3)0.0006 (3)−0.0018 (3)
O6B0.0156 (4)0.0326 (5)0.0115 (4)−0.0072 (4)−0.0006 (3)−0.0067 (4)
N1B0.0156 (4)0.0197 (5)0.0146 (5)−0.0048 (4)0.0044 (4)−0.0069 (4)
C1B0.0149 (5)0.0180 (5)0.0132 (5)−0.0035 (4)0.0001 (4)−0.0065 (4)
C2B0.0143 (5)0.0156 (5)0.0129 (5)−0.0030 (4)0.0007 (4)−0.0058 (4)
C3B0.0138 (5)0.0156 (5)0.0121 (5)−0.0030 (4)0.0008 (4)−0.0054 (4)
C4B0.0144 (5)0.0167 (5)0.0129 (5)−0.0011 (4)−0.0009 (4)−0.0065 (4)
C5B0.0140 (5)0.0188 (6)0.0130 (5)−0.0011 (4)−0.0013 (4)−0.0069 (4)
C6B0.0229 (6)0.0192 (6)0.0164 (6)−0.0068 (5)0.0047 (5)−0.0057 (5)
C7B0.0152 (5)0.0176 (5)0.0138 (5)−0.0039 (4)0.0001 (4)−0.0068 (4)
C8B0.0224 (6)0.0186 (6)0.0231 (6)−0.0013 (5)0.0075 (5)−0.0082 (5)
C9B0.0249 (6)0.0182 (6)0.0210 (6)−0.0014 (5)0.0005 (5)−0.0061 (5)
C10B0.0350 (8)0.0225 (7)0.0414 (9)0.0036 (6)0.0068 (7)−0.0095 (6)
C11B0.0346 (7)0.0202 (6)0.0261 (7)−0.0080 (5)−0.0008 (6)−0.0062 (5)
C12B0.0173 (5)0.0185 (6)0.0142 (5)−0.0015 (4)−0.0008 (4)−0.0063 (4)
C13B0.0417 (8)0.0175 (6)0.0234 (7)−0.0116 (6)0.0083 (6)−0.0091 (5)
C14B0.0322 (7)0.0195 (6)0.0196 (6)−0.0070 (5)0.0028 (5)−0.0053 (5)
C15B0.0348 (8)0.0304 (8)0.0397 (9)−0.0075 (6)0.0124 (7)−0.0060 (7)
C16B0.0529 (9)0.0219 (7)0.0263 (8)−0.0110 (7)0.0048 (7)−0.0034 (6)
C17B0.0165 (5)0.0225 (6)0.0160 (6)−0.0008 (4)0.0019 (4)−0.0081 (5)
C18B0.0155 (5)0.0142 (5)0.0129 (5)−0.0022 (4)0.0003 (4)−0.0054 (4)
C19B0.0166 (5)0.0198 (6)0.0137 (5)−0.0048 (4)0.0030 (4)−0.0075 (4)
C20B0.0138 (5)0.0212 (6)0.0162 (6)−0.0047 (4)0.0023 (4)−0.0085 (5)
C21B0.0148 (5)0.0190 (6)0.0125 (5)−0.0030 (4)−0.0007 (4)−0.0071 (4)
C22B0.0166 (5)0.0171 (5)0.0120 (5)−0.0047 (4)0.0024 (4)−0.0048 (4)
C23B0.0137 (5)0.0180 (5)0.0141 (5)−0.0047 (4)0.0008 (4)−0.0055 (4)
C24B0.0163 (5)0.0216 (6)0.0156 (6)−0.0075 (4)0.0020 (4)−0.0047 (5)
C25B0.0243 (6)0.0268 (7)0.0168 (6)−0.0106 (5)0.0045 (5)−0.0043 (5)
O1A—C7A1.3496 (14)C24A—C25A1.5103 (17)
O1A—C8A1.4535 (15)C24A—H24A0.9900
O2A—C7A1.2255 (14)C24A—H24B0.9900
O3A—C12A1.3498 (15)C25A—H25A0.9800
O3A—C13A1.4470 (16)C25A—H25B0.9800
O4A—C12A1.2130 (15)C25A—H25C0.9800
O5A—C22A1.3768 (14)O1B—C7B1.3528 (14)
O5A—C24A1.4342 (13)O1B—C8B1.4490 (14)
O6A—C21A1.3739 (13)O2B—C7B1.2220 (14)
O6A—H1OA0.83 (2)O3B—C12B1.3540 (14)
N1A—C1A1.3775 (15)O3B—C13B1.4436 (15)
N1A—C5A1.3823 (16)O4B—C12B1.2192 (14)
N1A—H1NA0.894 (17)O5B—C22B1.3739 (14)
C1A—C2A1.3646 (16)O5B—C24B1.4324 (14)
C1A—C6A1.5028 (17)O6B—C21B1.3728 (14)
C2A—C7A1.4587 (16)O6B—H1OB0.83 (2)
C2A—C3A1.5224 (16)N1B—C1B1.3782 (15)
C3A—C4A1.5219 (16)N1B—C5B1.3824 (16)
C3A—C18A1.5313 (15)N1B—H1NB0.896 (16)
C3A—H3AA1.0000C1B—C2B1.3644 (16)
C4A—C5A1.3573 (16)C1B—C6B1.5036 (17)
C4A—C12A1.4695 (17)C2B—C7B1.4600 (16)
C5A—C17A1.4974 (16)C2B—C3B1.5227 (16)
C6A—H6AA0.9800C3B—C4B1.5221 (16)
C6A—H6AB0.9800C3B—C18B1.5275 (16)
C6A—H6AC0.9800C3B—H3BA1.0000
C8A—C9A1.5187 (18)C4B—C5B1.3567 (16)
C8A—H8AA0.9900C4B—C12B1.4663 (17)
C8A—H8AB0.9900C5B—C17B1.5016 (16)
C9A—C11A1.5205 (19)C6B—H6BA0.9800
C9A—C10A1.5234 (19)C6B—H6BB0.9800
C9A—H9AA1.0000C6B—H6BC0.9800
C10A—H10A0.9800C8B—C9B1.5140 (18)
C10A—H10B0.9800C8B—H8BA0.9900
C10A—H10C0.9800C8B—H8BB0.9900
C11A—H11A0.9800C9B—C11B1.5237 (19)
C11A—H11B0.9800C9B—C10B1.5300 (19)
C11A—H11C0.9800C9B—H9BA1.0000
C13A—C14A1.512 (2)C10B—H10D0.9800
C13A—C14X1.578 (12)C10B—H10E0.9800
C13A—H13A0.9900C10B—H10F0.9800
C13A—H13B0.9900C11B—H11D0.9800
C13A—H13E0.9599C11B—H11E0.9800
C13A—H13F0.9601C11B—H11F0.9800
C14A—C15A1.516 (2)C13B—C14B1.5112 (19)
C14A—C16A1.525 (2)C13B—H13C0.9900
C14A—H13E1.5742C13B—H13D0.9900
C14A—H14A1.0000C14B—C15B1.516 (2)
C15A—H15A0.9800C14B—C16B1.5297 (19)
C15A—H15B0.9800C14B—H14B1.0000
C15A—H15C0.9800C15B—H15D0.9800
C16A—H16A0.9800C15B—H15E0.9800
C16A—H16B0.9800C15B—H15F0.9800
C16A—H16C0.9800C16B—H16D0.9800
C14X—C15X1.473 (14)C16B—H16E0.9800
C14X—C16X1.528 (14)C16B—H16F0.9800
C14X—H14C1.0000C17B—H17D0.9800
C15X—H15G0.9800C17B—H17E0.9800
C15X—H15H0.9800C17B—H17F0.9800
C15X—H15I0.9800C18B—C19B1.3940 (16)
C16X—H16G0.9800C18B—C23B1.3992 (16)
C16X—H16H0.9800C19B—C20B1.3913 (17)
C16X—H16I0.9800C19B—H19B0.9500
C17A—H17A0.9800C20B—C21B1.3826 (16)
C17A—H17B0.9800C20B—H20B0.9500
C17A—H17C0.9800C21B—C22B1.4044 (15)
C18A—C19A1.3921 (15)C22B—C23B1.3844 (16)
C18A—C23A1.3979 (16)C23B—H23B0.9500
C19A—C20A1.3947 (16)C24B—C25B1.5064 (17)
C19A—H19A0.9500C24B—H24C0.9900
C20A—C21A1.3837 (16)C24B—H24D0.9900
C20A—H20A0.9500C25B—H25D0.9800
C21A—C22A1.4018 (15)C25B—H25E0.9800
C22A—C23A1.3893 (16)C25B—H25F0.9800
C23A—H23A0.9500
C7A—O1A—C8A115.81 (9)O5A—C24A—C25A108.02 (10)
C12A—O3A—C13A115.02 (10)O5A—C24A—H24A110.1
C22A—O5A—C24A116.45 (9)C25A—C24A—H24A110.1
C21A—O6A—H1OA108.3 (14)O5A—C24A—H24B110.1
C1A—N1A—C5A123.43 (10)C25A—C24A—H24B110.1
C1A—N1A—H1NA119.1 (11)H24A—C24A—H24B108.4
C5A—N1A—H1NA116.5 (11)C24A—C25A—H25A109.5
C2A—C1A—N1A118.43 (11)C24A—C25A—H25B109.5
C2A—C1A—C6A128.06 (11)H25A—C25A—H25B109.5
N1A—C1A—C6A113.50 (10)C24A—C25A—H25C109.5
C1A—C2A—C7A124.52 (11)H25A—C25A—H25C109.5
C1A—C2A—C3A120.63 (10)H25B—C25A—H25C109.5
C7A—C2A—C3A114.69 (10)C7B—O1B—C8B115.11 (9)
C4A—C3A—C2A109.76 (9)C12B—O3B—C13B115.26 (9)
C4A—C3A—C18A111.26 (9)C22B—O5B—C24B116.07 (9)
C2A—C3A—C18A111.97 (9)C21B—O6B—H1OB107.3 (13)
C4A—C3A—H3AA107.9C1B—N1B—C5B123.42 (10)
C2A—C3A—H3AA107.9C1B—N1B—H1NB118.0 (10)
C18A—C3A—H3AA107.9C5B—N1B—H1NB117.8 (10)
C5A—C4A—C12A120.46 (11)C2B—C1B—N1B118.46 (11)
C5A—C4A—C3A119.97 (10)C2B—C1B—C6B128.02 (11)
C12A—C4A—C3A119.54 (10)N1B—C1B—C6B113.51 (10)
C4A—C5A—N1A119.07 (11)C1B—C2B—C7B125.15 (11)
C4A—C5A—C17A127.95 (11)C1B—C2B—C3B120.62 (10)
N1A—C5A—C17A112.97 (10)C7B—C2B—C3B114.13 (10)
C1A—C6A—H6AA109.5C4B—C3B—C2B109.75 (9)
C1A—C6A—H6AB109.5C4B—C3B—C18B110.92 (9)
H6AA—C6A—H6AB109.5C2B—C3B—C18B112.61 (9)
C1A—C6A—H6AC109.5C4B—C3B—H3BA107.8
H6AA—C6A—H6AC109.5C2B—C3B—H3BA107.8
H6AB—C6A—H6AC109.5C18B—C3B—H3BA107.8
O2A—C7A—O1A121.84 (10)C5B—C4B—C12B120.54 (10)
O2A—C7A—C2A122.32 (11)C5B—C4B—C3B119.91 (10)
O1A—C7A—C2A115.83 (10)C12B—C4B—C3B119.46 (10)
O1A—C8A—C9A108.88 (10)C4B—C5B—N1B119.12 (10)
O1A—C8A—H8AA109.9C4B—C5B—C17B127.75 (11)
C9A—C8A—H8AA109.9N1B—C5B—C17B113.12 (10)
O1A—C8A—H8AB109.9C1B—C6B—H6BA109.5
C9A—C8A—H8AB109.9C1B—C6B—H6BB109.5
H8AA—C8A—H8AB108.3H6BA—C6B—H6BB109.5
C8A—C9A—C11A111.75 (11)C1B—C6B—H6BC109.5
C8A—C9A—C10A112.68 (11)H6BA—C6B—H6BC109.5
C11A—C9A—C10A111.35 (12)H6BB—C6B—H6BC109.5
C8A—C9A—H9AA106.9O2B—C7B—O1B121.61 (10)
C11A—C9A—H9AA106.9O2B—C7B—C2B122.73 (11)
C10A—C9A—H9AA106.9O1B—C7B—C2B115.66 (10)
C9A—C10A—H10A109.5O1B—C8B—C9B108.93 (10)
C9A—C10A—H10B109.5O1B—C8B—H8BA109.9
H10A—C10A—H10B109.5C9B—C8B—H8BA109.9
C9A—C10A—H10C109.5O1B—C8B—H8BB109.9
H10A—C10A—H10C109.5C9B—C8B—H8BB109.9
H10B—C10A—H10C109.5H8BA—C8B—H8BB108.3
C9A—C11A—H11A109.5C8B—C9B—C11B112.04 (11)
C9A—C11A—H11B109.5C8B—C9B—C10B108.33 (11)
H11A—C11A—H11B109.5C11B—C9B—C10B111.42 (12)
C9A—C11A—H11C109.5C8B—C9B—H9BA108.3
H11A—C11A—H11C109.5C11B—C9B—H9BA108.3
H11B—C11A—H11C109.5C10B—C9B—H9BA108.3
O4A—C12A—O3A121.89 (11)C9B—C10B—H10D109.5
O4A—C12A—C4A126.42 (11)C9B—C10B—H10E109.5
O3A—C12A—C4A111.67 (10)H10D—C10B—H10E109.5
O3A—C13A—C14A108.76 (11)C9B—C10B—H10F109.5
O3A—C13A—C14X111.1 (4)H10D—C10B—H10F109.5
C14A—C13A—C14X38.5 (4)H10E—C10B—H10F109.5
O3A—C13A—H13A109.9C9B—C11B—H11D109.5
C14A—C13A—H13A109.9C9B—C11B—H11E109.5
C14X—C13A—H13A135.1H11D—C11B—H11E109.5
O3A—C13A—H13B109.9C9B—C11B—H11F109.5
C14A—C13A—H13B109.9H11D—C11B—H11F109.5
C14X—C13A—H13B73.5H11E—C11B—H11F109.5
H13A—C13A—H13B108.3O4B—C12B—O3B121.85 (11)
O3A—C13A—H13E109.7O4B—C12B—C4B126.63 (11)
C14A—C13A—H13E75.5O3B—C12B—C4B111.51 (10)
C14X—C13A—H13E110.0O3B—C13B—C14B108.56 (10)
H13A—C13A—H13E37.2O3B—C13B—H13C110.0
H13B—C13A—H13E135.2C14B—C13B—H13C110.0
O3A—C13A—H13F109.4O3B—C13B—H13D110.0
C14A—C13A—H13F137.4C14B—C13B—H13D110.0
C14X—C13A—H13F108.4H13C—C13B—H13D108.4
H13A—C13A—H13F73.5C13B—C14B—C15B112.08 (12)
H13B—C13A—H13F37.8C13B—C14B—C16B109.32 (11)
H13E—C13A—H13F108.1C15B—C14B—C16B111.01 (12)
C13A—C14A—C15A111.87 (13)C13B—C14B—H14B108.1
C13A—C14A—C16A108.16 (13)C15B—C14B—H14B108.1
C15A—C14A—C16A111.02 (15)C16B—C14B—H14B108.1
C13A—C14A—H13E36.2C14B—C15B—H15D109.5
C15A—C14A—H13E146.4C14B—C15B—H15E109.5
C16A—C14A—H13E94.0H15D—C15B—H15E109.5
C13A—C14A—H14A108.6C14B—C15B—H15F109.5
C15A—C14A—H14A108.6H15D—C15B—H15F109.5
C16A—C14A—H14A108.6H15E—C15B—H15F109.5
H13E—C14A—H14A82.6C14B—C16B—H16D109.5
C15X—C14X—C16X110.4 (11)C14B—C16B—H16E109.5
C15X—C14X—C13A105.2 (9)H16D—C16B—H16E109.5
C16X—C14X—C13A110.9 (10)C14B—C16B—H16F109.5
C15X—C14X—H14C110.1H16D—C16B—H16F109.5
C16X—C14X—H14C110.1H16E—C16B—H16F109.5
C13A—C14X—H14C110.1C5B—C17B—H17D109.5
C14X—C15X—H15G109.5C5B—C17B—H17E109.5
C14X—C15X—H15H109.5H17D—C17B—H17E109.5
H15G—C15X—H15H109.5C5B—C17B—H17F109.5
C14X—C15X—H15I109.5H17D—C17B—H17F109.5
H15G—C15X—H15I109.5H17E—C17B—H17F109.5
H15H—C15X—H15I109.5C19B—C18B—C23B118.64 (10)
C14X—C16X—H16G109.5C19B—C18B—C3B121.46 (10)
C14X—C16X—H16H109.5C23B—C18B—C3B119.87 (10)
H16G—C16X—H16H109.5C20B—C19B—C18B120.54 (11)
C14X—C16X—H16I109.5C20B—C19B—H19B119.7
H16G—C16X—H16I109.5C18B—C19B—H19B119.7
H16H—C16X—H16I109.5C21B—C20B—C19B120.50 (10)
C5A—C17A—H17A109.5C21B—C20B—H20B119.7
C5A—C17A—H17B109.5C19B—C20B—H20B119.7
H17A—C17A—H17B109.5O6B—C21B—C20B119.52 (10)
C5A—C17A—H17C109.5O6B—C21B—C22B120.89 (10)
H17A—C17A—H17C109.5C20B—C21B—C22B119.59 (10)
H17B—C17A—H17C109.5O5B—C22B—C23B125.75 (10)
C19A—C18A—C23A118.89 (10)O5B—C22B—C21B114.61 (10)
C19A—C18A—C3A121.04 (10)C23B—C22B—C21B119.64 (11)
C23A—C18A—C3A120.06 (10)C22B—C23B—C18B121.07 (10)
C18A—C19A—C20A120.39 (11)C22B—C23B—H23B119.5
C18A—C19A—H19A119.8C18B—C23B—H23B119.5
C20A—C19A—H19A119.8O5B—C24B—C25B108.20 (10)
C21A—C20A—C19A120.53 (10)O5B—C24B—H24C110.1
C21A—C20A—H20A119.7C25B—C24B—H24C110.1
C19A—C20A—H20A119.7O5B—C24B—H24D110.1
O6A—C21A—C20A119.21 (10)C25B—C24B—H24D110.1
O6A—C21A—C22A121.19 (10)H24C—C24B—H24D108.4
C20A—C21A—C22A119.59 (10)C24B—C25B—H25D109.5
O5A—C22A—C23A125.53 (10)C24B—C25B—H25E109.5
O5A—C22A—C21A114.79 (10)H25D—C25B—H25E109.5
C23A—C22A—C21A119.68 (10)C24B—C25B—H25F109.5
C22A—C23A—C18A120.92 (10)H25D—C25B—H25F109.5
C22A—C23A—H23A119.5H25E—C25B—H25F109.5
C18A—C23A—H23A119.5
C5A—N1A—C1A—C2A15.77 (17)C19A—C18A—C23A—C22A−0.54 (18)
C5A—N1A—C1A—C6A−162.96 (11)C3A—C18A—C23A—C22A178.13 (11)
N1A—C1A—C2A—C7A−177.71 (10)C22A—O5A—C24A—C25A−177.04 (10)
C6A—C1A—C2A—C7A0.82 (19)C5B—N1B—C1B—C2B−15.40 (17)
N1A—C1A—C2A—C3A7.18 (16)C5B—N1B—C1B—C6B163.58 (11)
C6A—C1A—C2A—C3A−174.29 (11)N1B—C1B—C2B—C7B176.69 (10)
C1A—C2A—C3A—C4A−27.89 (14)C6B—C1B—C2B—C7B−2.12 (19)
C7A—C2A—C3A—C4A156.54 (9)N1B—C1B—C2B—C3B−7.21 (16)
C1A—C2A—C3A—C18A96.19 (12)C6B—C1B—C2B—C3B173.98 (11)
C7A—C2A—C3A—C18A−79.37 (12)C1B—C2B—C3B—C4B27.93 (14)
C2A—C3A—C4A—C5A29.86 (14)C7B—C2B—C3B—C4B−155.56 (9)
C18A—C3A—C4A—C5A−94.63 (12)C1B—C2B—C3B—C18B−96.16 (13)
C2A—C3A—C4A—C12A−152.16 (10)C7B—C2B—C3B—C18B80.35 (12)
C18A—C3A—C4A—C12A83.34 (12)C2B—C3B—C4B—C5B−30.26 (14)
C12A—C4A—C5A—N1A170.81 (10)C18B—C3B—C4B—C5B94.80 (13)
C3A—C4A—C5A—N1A−11.24 (16)C2B—C3B—C4B—C12B153.23 (10)
C12A—C4A—C5A—C17A−9.67 (18)C18B—C3B—C4B—C12B−81.70 (12)
C3A—C4A—C5A—C17A168.28 (11)C12B—C4B—C5B—N1B−171.58 (10)
C1A—N1A—C5A—C4A−13.72 (17)C3B—C4B—C5B—N1B11.96 (16)
C1A—N1A—C5A—C17A166.70 (10)C12B—C4B—C5B—C17B9.25 (18)
C8A—O1A—C7A—O2A7.54 (16)C3B—C4B—C5B—C17B−167.21 (11)
C8A—O1A—C7A—C2A−171.77 (10)C1B—N1B—C5B—C4B12.98 (17)
C1A—C2A—C7A—O2A−176.47 (11)C1B—N1B—C5B—C17B−167.74 (10)
C3A—C2A—C7A—O2A−1.10 (16)C8B—O1B—C7B—O2B−3.28 (16)
C1A—C2A—C7A—O1A2.84 (16)C8B—O1B—C7B—C2B176.86 (10)
C3A—C2A—C7A—O1A178.21 (9)C1B—C2B—C7B—O2B178.67 (11)
C7A—O1A—C8A—C9A−169.38 (10)C3B—C2B—C7B—O2B2.34 (16)
O1A—C8A—C9A—C11A68.38 (14)C1B—C2B—C7B—O1B−1.47 (17)
O1A—C8A—C9A—C10A−57.88 (14)C3B—C2B—C7B—O1B−177.79 (9)
C13A—O3A—C12A—O4A−3.12 (18)C7B—O1B—C8B—C9B173.07 (10)
C13A—O3A—C12A—C4A175.20 (11)O1B—C8B—C9B—C11B59.58 (14)
C5A—C4A—C12A—O4A−9.69 (19)O1B—C8B—C9B—C10B−177.11 (11)
C3A—C4A—C12A—O4A172.35 (12)C13B—O3B—C12B—O4B0.82 (17)
C5A—C4A—C12A—O3A172.09 (10)C13B—O3B—C12B—C4B−177.78 (10)
C3A—C4A—C12A—O3A−5.88 (15)C5B—C4B—C12B—O4B12.61 (19)
C12A—O3A—C13A—C14A179.13 (12)C3B—C4B—C12B—O4B−170.91 (12)
C12A—O3A—C13A—C14X−139.8 (5)C5B—C4B—C12B—O3B−168.86 (10)
O3A—C13A—C14A—C15A60.00 (18)C3B—C4B—C12B—O3B7.62 (15)
C14X—C13A—C14A—C15A−40.6 (7)C12B—O3B—C13B—C14B−178.14 (11)
O3A—C13A—C14A—C16A−177.42 (15)O3B—C13B—C14B—C15B−64.79 (16)
C14X—C13A—C14A—C16A82.0 (7)O3B—C13B—C14B—C16B171.70 (12)
O3A—C13A—C14X—C15X−62.3 (9)C4B—C3B—C18B—C19B−62.41 (14)
C14A—C13A—C14X—C15X31.6 (7)C2B—C3B—C18B—C19B61.03 (14)
O3A—C13A—C14X—C16X178.3 (10)C4B—C3B—C18B—C23B115.73 (12)
C14A—C13A—C14X—C16X−87.8 (12)C2B—C3B—C18B—C23B−120.84 (11)
C4A—C3A—C18A—C19A59.76 (14)C23B—C18B—C19B—C20B−0.07 (17)
C2A—C3A—C18A—C19A−63.48 (14)C3B—C18B—C19B—C20B178.08 (11)
C4A—C3A—C18A—C23A−118.89 (12)C18B—C19B—C20B—C21B−0.09 (18)
C2A—C3A—C18A—C23A117.87 (12)C19B—C20B—C21B—O6B179.83 (11)
C23A—C18A—C19A—C20A0.14 (18)C19B—C20B—C21B—C22B−0.50 (18)
C3A—C18A—C19A—C20A−178.51 (11)C24B—O5B—C22B—C23B8.62 (17)
C18A—C19A—C20A—C21A−0.07 (18)C24B—O5B—C22B—C21B−171.60 (10)
C19A—C20A—C21A—O6A179.50 (11)O6B—C21B—C22B—O5B1.11 (16)
C19A—C20A—C21A—C22A0.37 (18)C20B—C21B—C22B—O5B−178.55 (10)
C24A—O5A—C22A—C23A−8.52 (17)O6B—C21B—C22B—C23B−179.09 (11)
C24A—O5A—C22A—C21A172.11 (10)C20B—C21B—C22B—C23B1.24 (17)
O6A—C21A—C22A—O5A−0.46 (16)O5B—C22B—C23B—C18B178.35 (11)
C20A—C21A—C22A—O5A178.65 (11)C21B—C22B—C23B—C18B−1.42 (18)
O6A—C21A—C22A—C23A−179.87 (11)C19B—C18B—C23B—C22B0.83 (17)
C20A—C21A—C22A—C23A−0.76 (17)C3B—C18B—C23B—C22B−177.35 (10)
O5A—C22A—C23A—C18A−178.49 (11)C22B—O5B—C24B—C25B177.15 (10)
C21A—C22A—C23A—C18A0.85 (18)
Cg2 and Cg4 are the centroids of the C18A–C23A and C18B–C23B rings, respectively.
D—H···AD—HH···AD···AD—H···A
N1B—H1NB···O6Ai0.896 (16)2.077 (16)2.9432 (14)162.3 (15)
N1A—H1NA···O6Bii0.893 (18)2.067 (18)2.9360 (14)164.1 (16)
O6B—H1OB···O2Bii0.83 (2)1.98 (2)2.7339 (13)149.9 (19)
O6A—H1OA···O2Aiii0.83 (2)1.94 (2)2.6992 (13)153 (2)
C11A—H11C···O4Biv0.982.523.4755 (19)164
C16A—H16A···O4Av0.982.593.316 (2)131
C24A—H24B···Cg2iii0.992.993.7291 (15)132
C24B—H24C···Cg4ii0.992.943.6754 (14)132
C14X—H14C···Cg4vi1.002.983.978 (12)172
Table 1

Hydrogen-bond geometry (Å, °)

Cg2 and Cg4 are the centroids of the C18A–C23A and C18B–C23B rings, respectively.

D—H⋯AD—HH⋯ADAD—H⋯A
N1B—H1NB⋯O6Ai0.896 (16)2.077 (16)2.9432 (14)162.3 (15)
N1A—H1NA⋯O6Bii0.893 (18)2.067 (18)2.9360 (14)164.1 (16)
O6B—H1OB⋯O2Bii0.83 (2)1.98 (2)2.7339 (13)149.9 (19)
O6A—H1OA⋯O2Aiii0.83 (2)1.94 (2)2.6992 (13)153 (2)
C11A—H11C⋯O4Biv0.982.523.4755 (19)164
C16A—H16A⋯O4Av0.982.593.316 (2)131
C24A—H24BCg2iii0.992.993.7291 (15)132
C24B—H24CCg4ii0.992.943.6754 (14)132
C14X—H14CCg4vi1.002.983.978 (12)172

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) .

  8 in total

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Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

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Authors:  A C Gaudio; A Korolkovas; Y Takahata
Journal:  J Pharm Sci       Date:  1994-08       Impact factor: 3.534

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Authors:  R Peri; S Padmanabhan; A Rutledge; S Singh; D J Triggle
Journal:  J Med Chem       Date:  2000-07-27       Impact factor: 7.446

4.  New 4-aryl-1,4-dihydropyridines and 4-arylpyridines as P-glycoprotein inhibitors.

Authors:  Xiao-Fei Zhou; Linping Zhang; Elaine Tseng; Elizabeth Scott-Ramsay; Jerome J Schentag; Robert A Coburn; Marilyn E Morris
Journal:  Drug Metab Dispos       Date:  2004-12-07       Impact factor: 3.922

5.  Synthesis of 3-[(2,3-dihydro-1,1,3-trioxo-1,2-benzisothiazol-2-yl)alkyl] 1,4-dihydropyridine-3,5-dicarboxylate derivatives as calcium channel modulators.

Authors:  C E Sunkel; M Fau de Casa-Juana; L Santos; A G García; C R Artalejo; M Villarroya; M A González-Morales; M G López; J Cillero; S Alonso
Journal:  J Med Chem       Date:  1992-06-26       Impact factor: 7.446

6.  Hantzsch 1,4-dihydropyridine esters and analogs: candidates for generating reproducible one-dimensional packing motifs.

Authors:  R S Rathore; B Palakshi Reddy; V Vijayakumar; R Venkat Ragavan; T Narasimhamurthy
Journal:  Acta Crystallogr B       Date:  2009-05-02

7.  Effect of extra- and intracellular calcium blockers on histamine and antigen-induced bronchospasms in guinea pigs and rats.

Authors:  R W Chapman; G Danko; M I Siegel
Journal:  Pharmacology       Date:  1984       Impact factor: 2.547

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Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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