Literature DB >> 22058741

N-(4-Chloro-phen-yl)-4-(pyrimidin-2-yl)piperazine-1-carboxamide.

Yu-Feng Li1.   

Abstract

The title compound, C(15)H(16)ClN(5)O, contains two mol-ecules, A and B, in the asymmetric unit, in which the dihedral angles between the terminal aromatic rings are 42.41 (17) and 45.77 (18)°. The central six-membered ring in both mol-ecules has a chair conformation with equatorial substituents. In the crystal, mol-ecules are linked into [100] C(4) chains of alternating A and B mol-ecules by N-H⋯O hydrogen bonds.

Entities:  

Year:  2011        PMID: 22058741      PMCID: PMC3201268          DOI: 10.1107/S160053681103515X

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


Related literature

For related structures, see: Li (2011a ▶,b ▶).

Experimental

Crystal data

C15H16ClN5O M = 317.78 Monoclinic, a = 9.992 (2) Å b = 9.978 (2) Å c = 31.197 (6) Å β = 92.50 (3)° V = 3107.3 (11) Å3 Z = 8 Mo Kα radiation μ = 0.26 mm−1 T = 293 K 0.22 × 0.21 × 0.19 mm

Data collection

Bruker SMART CCD diffractometer 29790 measured reflections 7075 independent reflections 3210 reflections with I > 2σ(I) R int = 0.070

Refinement

R[F 2 > 2σ(F 2)] = 0.058 wR(F 2) = 0.223 S = 0.93 7075 reflections 398 parameters 1 restraint H-atom parameters constrained Δρmax = 0.31 e Å−3 Δρmin = −0.35 e Å−3 Data collection: SMART (Bruker, 1997 ▶); cell refinement: SAINT (Bruker, 1997 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: SHELXTL (Sheldrick, 2008 ▶); software used to prepare material for publication: SHELXTL. Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S160053681103515X/hb6389sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S160053681103515X/hb6389Isup2.hkl Supplementary material file. DOI: 10.1107/S160053681103515X/hb6389Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C15H16ClN5OF(000) = 1328
Mr = 317.78Dx = 1.359 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 3210 reflections
a = 9.992 (2) Åθ = 3.1–26.9°
b = 9.978 (2) ŵ = 0.26 mm1
c = 31.197 (6) ÅT = 293 K
β = 92.50 (3)°Block, colorless
V = 3107.3 (11) Å30.22 × 0.21 × 0.19 mm
Z = 8
Bruker SMART CCD diffractometer3210 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.070
graphiteθmax = 27.5°, θmin = 3.1°
φ and ω scansh = −12→12
29790 measured reflectionsk = −12→12
7075 independent reflectionsl = −40→40
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.058H-atom parameters constrained
wR(F2) = 0.223w = 1/[σ2(Fo2) + (0.1316P)2] where P = (Fo2 + 2Fc2)/3
S = 0.93(Δ/σ)max < 0.001
7075 reflectionsΔρmax = 0.31 e Å3
398 parametersΔρmin = −0.35 e Å3
1 restraintExtinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.0100 (14)
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'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 > σ(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*/Ueq
Cl1A0.63361 (12)0.48186 (12)0.04864 (3)0.0889 (4)
Cl1B0.29934 (11)0.41025 (14)0.44307 (3)0.0920 (4)
O1B0.02837 (19)0.2901 (2)0.24124 (7)0.0555 (6)
O1A0.51755 (19)0.1666 (3)0.23043 (7)0.0644 (7)
N3B0.2439 (2)0.2371 (3)0.26209 (8)0.0507 (7)
H3BA0.31810.20980.25210.061*
N5B0.1716 (2)−0.0057 (3)0.12470 (8)0.0521 (7)
C10B0.2507 (3)0.2866 (3)0.30407 (9)0.0454 (7)
N4A0.6814 (2)0.1119 (3)0.27995 (9)0.0552 (7)
C9A0.6367 (3)0.1683 (3)0.24220 (10)0.0507 (8)
N3A0.7298 (2)0.2315 (3)0.21896 (8)0.0560 (7)
H3AA0.81010.23680.22990.067*
C9B0.1331 (3)0.2269 (3)0.23506 (9)0.0470 (7)
N2B0.1097 (3)−0.0434 (3)0.05334 (8)0.0589 (7)
N4B0.1467 (2)0.1485 (3)0.20004 (8)0.0527 (7)
N5A0.7610 (3)0.0069 (3)0.36110 (9)0.0636 (8)
C15B0.1393 (3)0.3037 (3)0.32880 (10)0.0557 (8)
H15A0.05390.28940.31670.067*
C4B0.1935 (3)−0.0696 (3)0.08677 (10)0.0500 (8)
N2A0.7043 (3)−0.1024 (3)0.42290 (9)0.0676 (8)
C14B0.1551 (3)0.3419 (4)0.37141 (11)0.0608 (9)
H14A0.08020.35300.38770.073*
C6A0.5937 (3)0.0212 (4)0.30213 (11)0.0606 (9)
H6AA0.6087−0.07000.29270.073*
H6AB0.50100.04410.29510.073*
C12B0.3911 (3)0.3483 (4)0.36561 (10)0.0590 (9)
H12A0.47610.36350.37800.071*
C15A0.6295 (3)0.2246 (4)0.14602 (11)0.0588 (8)
H15B0.59260.14110.15150.071*
N1B0.2941 (3)−0.1586 (3)0.08730 (9)0.0700 (9)
C8B0.2786 (3)−0.0038 (4)0.15814 (11)0.0631 (9)
H8BA0.34380.06420.15140.076*
H8BB0.3238−0.08990.15890.076*
C11A0.7593 (3)0.4140 (4)0.16934 (11)0.0602 (9)
H11A0.80950.45870.19070.072*
C10A0.7036 (3)0.2897 (3)0.17782 (10)0.0517 (8)
N1A0.9289 (3)−0.0319 (3)0.41271 (10)0.0712 (9)
C4A0.7992 (3)−0.0428 (3)0.40047 (11)0.0575 (8)
C6B0.0374 (3)0.1454 (4)0.16727 (10)0.0597 (9)
H6BA−0.00820.23120.16650.072*
H6BB−0.02690.07710.17450.072*
C13B0.2796 (3)0.3633 (4)0.38956 (10)0.0581 (8)
C11B0.3761 (3)0.3107 (3)0.32327 (10)0.0542 (8)
H11B0.45160.30130.30720.065*
C14A0.6097 (3)0.2824 (4)0.10616 (11)0.0639 (9)
H14B0.55940.23840.08470.077*
C12A0.7404 (4)0.4714 (4)0.12927 (13)0.0668 (10)
H12B0.77860.55400.12340.080*
C8A0.8233 (3)0.0853 (4)0.29136 (12)0.0640 (10)
H8AA0.87880.14970.27710.077*
H8AB0.8469−0.00360.28160.077*
C13A0.6650 (3)0.4057 (4)0.09834 (11)0.0612 (9)
C5A0.6198 (3)0.0302 (4)0.34979 (11)0.0652 (10)
H5AA0.59410.11820.35970.078*
H5AB0.5658−0.03590.36390.078*
C7B0.2247 (3)0.0249 (4)0.20118 (10)0.0588 (9)
H7BA0.1684−0.04900.20960.071*
H7BB0.29830.03310.22230.071*
C7A0.8498 (3)0.0948 (4)0.33886 (12)0.0634 (9)
H7AA0.94200.07030.34590.076*
H7AB0.83660.18650.34810.076*
C5B0.0904 (3)0.1158 (4)0.12395 (10)0.0599 (9)
H5BA0.01590.10530.10320.072*
H5BB0.14420.19070.11490.072*
C2B0.2315 (4)−0.2037 (5)0.01431 (12)0.0776 (12)
H2BB0.2456−0.2495−0.01110.093*
C3A0.7452 (4)−0.1557 (4)0.46014 (12)0.0749 (11)
H3AB0.6819−0.19740.47660.090*
C3B0.3093 (4)−0.2242 (4)0.05043 (12)0.0782 (12)
H3BB0.3773−0.28770.04950.094*
C1B0.1308 (4)−0.1113 (4)0.01751 (11)0.0706 (10)
H1BB0.0746−0.0952−0.00650.085*
C2A0.8744 (4)−0.1528 (5)0.47566 (12)0.0827 (12)
H2AB0.9009−0.19180.50180.099*
C1A0.9632 (4)−0.0888 (5)0.45040 (13)0.0818 (12)
H1AB1.0525−0.08470.46000.098*
U11U22U33U12U13U23
Cl1A0.0949 (8)0.1019 (9)0.0713 (6)0.0216 (6)0.0196 (6)0.0231 (6)
Cl1B0.0939 (8)0.1238 (10)0.0581 (6)0.0002 (7)0.0017 (5)−0.0239 (6)
O1B0.0418 (11)0.0642 (15)0.0604 (13)0.0035 (10)0.0026 (10)−0.0023 (11)
O1A0.0386 (11)0.0899 (19)0.0650 (14)−0.0018 (11)0.0045 (10)0.0005 (12)
N3B0.0339 (11)0.0680 (19)0.0502 (14)−0.0014 (12)0.0025 (11)−0.0088 (13)
N5B0.0467 (13)0.0621 (18)0.0471 (14)0.0123 (12)−0.0037 (11)−0.0020 (12)
C10B0.0389 (14)0.0457 (18)0.0517 (17)−0.0001 (12)0.0028 (13)0.0005 (13)
N4A0.0373 (12)0.0663 (19)0.0624 (17)−0.0059 (12)0.0064 (12)0.0069 (14)
C9A0.0434 (16)0.055 (2)0.0547 (18)0.0007 (14)0.0103 (14)−0.0036 (14)
N3A0.0396 (12)0.070 (2)0.0583 (16)−0.0062 (12)0.0037 (12)0.0046 (14)
C9B0.0385 (14)0.052 (2)0.0503 (16)−0.0029 (13)0.0045 (13)0.0051 (14)
N2B0.0588 (15)0.068 (2)0.0490 (15)0.0095 (14)−0.0062 (13)−0.0030 (13)
N4B0.0517 (14)0.0561 (18)0.0495 (14)0.0120 (12)−0.0087 (12)−0.0054 (12)
N5A0.0435 (14)0.078 (2)0.0695 (19)−0.0052 (13)0.0042 (13)0.0220 (15)
C15B0.0386 (14)0.068 (2)0.060 (2)0.0003 (14)0.0005 (14)−0.0053 (16)
C4B0.0419 (15)0.060 (2)0.0479 (17)0.0014 (14)−0.0001 (13)−0.0021 (14)
N2A0.0609 (17)0.079 (2)0.0631 (18)0.0012 (15)0.0086 (15)0.0121 (16)
C14B0.0476 (17)0.076 (3)0.059 (2)0.0061 (16)0.0079 (15)−0.0070 (17)
C6A0.0465 (16)0.062 (2)0.074 (2)−0.0094 (15)0.0109 (16)0.0070 (17)
C12B0.0430 (15)0.076 (3)0.0575 (19)−0.0034 (16)−0.0033 (15)−0.0061 (17)
C15A0.0574 (18)0.052 (2)0.067 (2)−0.0098 (16)0.0040 (17)−0.0018 (16)
N1B0.0608 (16)0.088 (2)0.0605 (17)0.0213 (16)−0.0051 (14)−0.0158 (16)
C8B0.0472 (17)0.080 (3)0.061 (2)0.0148 (16)−0.0105 (15)−0.0096 (17)
C11A0.0569 (18)0.056 (2)0.068 (2)−0.0057 (16)0.0055 (17)−0.0028 (17)
C10A0.0410 (14)0.054 (2)0.0603 (19)0.0014 (14)0.0073 (14)−0.0001 (15)
N1A0.0554 (17)0.084 (2)0.073 (2)−0.0001 (15)−0.0067 (15)0.0107 (17)
C4A0.0529 (18)0.056 (2)0.064 (2)0.0016 (16)0.0052 (16)0.0032 (16)
C6B0.0459 (16)0.074 (3)0.0585 (19)0.0134 (16)−0.0086 (15)−0.0088 (17)
C13B0.0606 (19)0.058 (2)0.0557 (19)0.0054 (16)0.0009 (16)−0.0051 (15)
C11B0.0397 (15)0.069 (2)0.0540 (18)−0.0037 (14)0.0040 (14)−0.0083 (15)
C14A0.0631 (19)0.067 (3)0.061 (2)−0.0013 (18)0.0019 (17)−0.0066 (17)
C12A0.066 (2)0.058 (2)0.078 (2)−0.0060 (18)0.017 (2)0.0043 (19)
C8A0.0411 (16)0.072 (3)0.080 (2)−0.0002 (16)0.0097 (17)0.0142 (19)
C13A0.0574 (18)0.063 (2)0.064 (2)0.0114 (17)0.0162 (17)0.0040 (17)
C5A0.0439 (16)0.082 (3)0.070 (2)−0.0039 (17)0.0027 (16)0.0152 (19)
C7B0.0584 (18)0.059 (2)0.0578 (19)0.0166 (16)−0.0126 (15)−0.0052 (16)
C7A0.0417 (16)0.069 (2)0.080 (2)−0.0091 (16)0.0011 (16)0.0175 (19)
C5B0.0575 (18)0.066 (2)0.0557 (19)0.0161 (17)−0.0046 (15)−0.0018 (16)
C2B0.082 (2)0.093 (3)0.057 (2)0.017 (2)−0.004 (2)−0.018 (2)
C3A0.080 (2)0.090 (3)0.055 (2)0.002 (2)0.0078 (19)0.0073 (19)
C3B0.071 (2)0.091 (3)0.072 (2)0.026 (2)−0.002 (2)−0.022 (2)
C1B0.078 (2)0.079 (3)0.0531 (19)0.009 (2)−0.0061 (18)−0.0083 (18)
C2A0.093 (3)0.099 (4)0.055 (2)0.012 (3)−0.008 (2)0.006 (2)
C1A0.070 (2)0.104 (4)0.070 (2)0.005 (2)−0.009 (2)0.004 (2)
Cl1A—C13A1.743 (4)C15A—C14A1.377 (5)
Cl1B—C13B1.737 (3)C15A—H15B0.9300
O1B—C9B1.244 (3)N1B—C3B1.338 (4)
O1A—C9A1.230 (4)C8B—C7B1.496 (5)
N3B—C9B1.366 (4)C8B—H8BA0.9700
N3B—C10B1.399 (4)C8B—H8BB0.9700
N3B—H3BA0.8600C11A—C12A1.380 (5)
N5B—C4B1.370 (4)C11A—C10A1.390 (5)
N5B—C5B1.458 (4)C11A—H11A0.9300
N5B—C8B1.461 (4)N1A—C1A1.337 (5)
C10B—C11B1.385 (4)N1A—C4A1.340 (4)
C10B—C15B1.392 (4)C6B—C5B1.502 (4)
N4A—C9A1.363 (4)C6B—H6BA0.9700
N4A—C6A1.456 (4)C6B—H6BB0.9700
N4A—C8A1.471 (4)C11B—H11B0.9300
C9A—N3A1.360 (4)C14A—C13A1.375 (5)
N3A—C10A1.422 (4)C14A—H14B0.9300
N3A—H3AA0.8600C12A—C13A1.365 (5)
C9B—N4B1.356 (4)C12A—H12B0.9300
N2B—C1B1.332 (4)C8A—C7A1.497 (5)
N2B—C4B1.334 (4)C8A—H8AA0.9700
N4B—C7B1.458 (4)C8A—H8AB0.9700
N4B—C6B1.463 (4)C5A—H5AA0.9700
N5A—C4A1.364 (4)C5A—H5AB0.9700
N5A—C7A1.446 (4)C7B—H7BA0.9700
N5A—C5A1.458 (4)C7B—H7BB0.9700
C15B—C14B1.385 (4)C7A—H7AA0.9700
C15B—H15A0.9300C7A—H7AB0.9700
C4B—N1B1.341 (4)C5B—H5BA0.9700
N2A—C3A1.326 (5)C5B—H5BB0.9700
N2A—C4A1.342 (4)C2B—C3B1.356 (5)
C14B—C13B1.360 (5)C2B—C1B1.372 (5)
C14B—H14A0.9300C2B—H2BB0.9300
C6A—C5A1.501 (5)C3A—C2A1.359 (5)
C6A—H6AA0.9700C3A—H3AB0.9300
C6A—H6AB0.9700C3B—H3BB0.9300
C12B—C11B1.375 (4)C1B—H1BB0.9300
C12B—C13B1.377 (4)C2A—C1A1.370 (6)
C12B—H12A0.9300C2A—H2AB0.9300
C15A—C10A1.375 (5)C1A—H1AB0.9300
C9B—N3B—C10B127.5 (2)N4B—C6B—H6BA109.5
C9B—N3B—H3BA116.2C5B—C6B—H6BA109.5
C10B—N3B—H3BA116.2N4B—C6B—H6BB109.5
C4B—N5B—C5B118.9 (3)C5B—C6B—H6BB109.5
C4B—N5B—C8B118.9 (2)H6BA—C6B—H6BB108.1
C5B—N5B—C8B113.0 (3)C14B—C13B—C12B120.3 (3)
C11B—C10B—C15B117.9 (3)C14B—C13B—Cl1B120.4 (2)
C11B—C10B—N3B118.2 (2)C12B—C13B—Cl1B119.3 (3)
C15B—C10B—N3B123.7 (3)C12B—C11B—C10B121.4 (3)
C9A—N4A—C6A119.0 (3)C12B—C11B—H11B119.3
C9A—N4A—C8A124.1 (2)C10B—C11B—H11B119.3
C6A—N4A—C8A111.5 (3)C13A—C14A—C15A119.5 (4)
O1A—C9A—N3A121.5 (3)C13A—C14A—H14B120.3
O1A—C9A—N4A122.0 (3)C15A—C14A—H14B120.3
N3A—C9A—N4A116.5 (3)C13A—C12A—C11A119.4 (4)
C9A—N3A—C10A124.6 (3)C13A—C12A—H12B120.3
C9A—N3A—H3AA117.7C11A—C12A—H12B120.3
C10A—N3A—H3AA117.7N4A—C8A—C7A110.8 (3)
O1B—C9B—N4B122.2 (3)N4A—C8A—H8AA109.5
O1B—C9B—N3B122.1 (3)C7A—C8A—H8AA109.5
N4B—C9B—N3B115.7 (3)N4A—C8A—H8AB109.5
C1B—N2B—C4B116.1 (3)C7A—C8A—H8AB109.5
C9B—N4B—C7B122.7 (3)H8AA—C8A—H8AB108.1
C9B—N4B—C6B118.5 (2)C12A—C13A—C14A121.2 (4)
C7B—N4B—C6B112.4 (3)C12A—C13A—Cl1A119.5 (3)
C4A—N5A—C7A119.9 (3)C14A—C13A—Cl1A119.3 (3)
C4A—N5A—C5A120.4 (3)N5A—C5A—C6A110.8 (3)
C7A—N5A—C5A113.3 (3)N5A—C5A—H5AA109.5
C14B—C15B—C10B120.3 (3)C6A—C5A—H5AA109.5
C14B—C15B—H15A119.8N5A—C5A—H5AB109.5
C10B—C15B—H15A119.8C6A—C5A—H5AB109.5
N2B—C4B—N1B125.7 (3)H5AA—C5A—H5AB108.1
N2B—C4B—N5B117.7 (3)N4B—C7B—C8B110.7 (3)
N1B—C4B—N5B116.5 (3)N4B—C7B—H7BA109.5
C3A—N2A—C4A115.9 (3)C8B—C7B—H7BA109.5
C13B—C14B—C15B120.4 (3)N4B—C7B—H7BB109.5
C13B—C14B—H14A119.8C8B—C7B—H7BB109.5
C15B—C14B—H14A119.8H7BA—C7B—H7BB108.1
N4A—C6A—C5A110.6 (3)N5A—C7A—C8A110.5 (3)
N4A—C6A—H6AA109.5N5A—C7A—H7AA109.5
C5A—C6A—H6AA109.5C8A—C7A—H7AA109.5
N4A—C6A—H6AB109.5N5A—C7A—H7AB109.5
C5A—C6A—H6AB109.5C8A—C7A—H7AB109.5
H6AA—C6A—H6AB108.1H7AA—C7A—H7AB108.1
C11B—C12B—C13B119.6 (3)N5B—C5B—C6B111.5 (3)
C11B—C12B—H12A120.2N5B—C5B—H5BA109.3
C13B—C12B—H12A120.2C6B—C5B—H5BA109.3
C10A—C15A—C14A120.3 (3)N5B—C5B—H5BB109.3
C10A—C15A—H15B119.8C6B—C5B—H5BB109.3
C14A—C15A—H15B119.8H5BA—C5B—H5BB108.0
C3B—N1B—C4B115.3 (3)C3B—C2B—C1B115.9 (3)
N5B—C8B—C7B111.2 (3)C3B—C2B—H2BB122.1
N5B—C8B—H8BA109.4C1B—C2B—H2BB122.1
C7B—C8B—H8BA109.4N2A—C3A—C2A123.7 (4)
N5B—C8B—H8BB109.4N2A—C3A—H3AB118.1
C7B—C8B—H8BB109.4C2A—C3A—H3AB118.1
H8BA—C8B—H8BB108.0N1B—C3B—C2B123.9 (4)
C12A—C11A—C10A120.2 (4)N1B—C3B—H3BB118.0
C12A—C11A—H11A119.9C2B—C3B—H3BB118.0
C10A—C11A—H11A119.9N2B—C1B—C2B123.1 (4)
C15A—C10A—C11A119.5 (3)N2B—C1B—H1BB118.4
C15A—C10A—N3A122.0 (3)C2B—C1B—H1BB118.4
C11A—C10A—N3A118.5 (3)C3A—C2A—C1A115.7 (4)
C1A—N1A—C4A115.1 (3)C3A—C2A—H2AB122.2
N1A—C4A—N2A125.7 (3)C1A—C2A—H2AB122.2
N1A—C4A—N5A117.2 (3)N1A—C1A—C2A123.8 (4)
N2A—C4A—N5A117.0 (3)N1A—C1A—H1AB118.1
N4B—C6B—C5B110.6 (3)C2A—C1A—H1AB118.1
D—H···AD—HH···AD···AD—H···A
N3B—H3BA···O1A0.862.183.030 (3)172
N3A—H3AA···O1Bi0.862.263.090 (3)163
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N3B—H3BA⋯O1A0.862.183.030 (3)172
N3A—H3AA⋯O1Bi0.862.263.090 (3)163

Symmetry code: (i) .

  3 in total

1.  A short history of SHELX.

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

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Authors:  Yu-Feng Li
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-06-25

3.  N-(4-Chloro-phen-yl)pyrrolidine-1-carboxamide.

Authors:  Yu-Feng Li
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-06-25
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1.  Crystal structures of 4-(pyrimidin-2-yl)piperazin-1-ium chloride and 4-(pyrimidin-2-yl)piperazin-1-ium nitrate.

Authors:  Thammarse S Yamuna; Jerry P Jasinski; Manpreet Kaur; Brian J Anderson; H S Yathirajan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2014-09-13
  1 in total

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