Literature DB >> 30002888

Crystal structure and Hirshfeld surface analysis of 3-octyl-4-oxo-2,6-bis-(3,4,5-tri-meth-oxy-phen-yl)piperidinium chloride.

Rubina Siddiqui1, Urooj Iqbal2, Zafar Saeed Saify1, Shammim Akhter1, Sammer Yousuf2.   

Abstract

The title compound, C31H46NO7+·Cl-, was synthesized by a one-pot Mannich condensation reaction. In the mol-ecule, the piperidinone ring adopts a chair conformation, and the trimeth-oxy-substituted benzene rings and octyl chain are arranged equatorially. In the crystal, centrosymmetric dimers are linked into layers parallel to (011) by N-H⋯Cl and C-H⋯Cl hydrogen bonds. A Hirshfeld surface analysis indicates that the most important contributions for the crystal packing are O⋯H (20.5%) inter-actions followed by C⋯H (7.8%), Cl⋯H (5.5%), CC (1.2%), C⋯O (0.5%) and Cl⋯O (0.4%) inter-actions.

Entities:  

Keywords:  Hirshfeld surface analysis; Mannich reaction; crystal structure; piperidine-4-one

Year:  2018        PMID: 30002888      PMCID: PMC6038624          DOI: 10.1107/S2056989018008125

Source DB:  PubMed          Journal:  Acta Crystallogr E Crystallogr Commun


Chemical context

Piperidine is a naturally occurring bioactive alkaloid (Hu et al., 2002 ▸; Finke et al., 2001 ▸; Taniguchi & Ogasawara, 2000 ▸) and the heterocyclic six-membered nitro­gen-containing piperidine ring is an essential structural part of many important drugs including paroxetine, raloxifene, haloperidol, droperidol and minoxidiln (Wagstaff et al., 2002 ▸). 2,6-Diphenyl-substituted piperdine-4-one derivatives are important because of their potential biological activities such as anti­tumor, anti­microbial, analgesic, local anesthetic, anti­depressant and anti-inflammatory (Kálai et al., 2011 ▸; Leonova et al., 2010 ▸; El-Subbagh et al., 2000 ▸; Jerom & Spencer, 1988 ▸). This wide range of biological activities prompted us to synthesize novel 2,6-diphenyl piperdine-4-one derivatives with enhanced biological activities. In a continuation of this work, the title compound was synthesized using a one-pot Mannich condensation reaction as reported by Noller & Baliah (1948 ▸). The adopted one-pot reaction is convenient, simple, easy way for separation of the product with possible high yield. A Hirshfield surface analysis of the title compound was carried out in order to study how different functionalities can affect the crystal packing.

Structural commentary

In the mol­ecule of the title compound (Fig. 1 ▸), the heterocyclic six-membered 4-piperidone ring (N1/C2–C6) adopts a chair conformation, with puckering parameters Q = 0.5750 (15) Å, θ = 13.60 (14)° and φ =5.55 (61)°. The octyl chain at C3, and the trimeth­oxy-substituted benzene rings attached at C2 and C6 are equatorially oriented. The trimeth­oxy benzene rings C7–C12 and C13C18 form a dihedral angle of 73.91 (5)°, and are tilted with respect to the mean plane of the piperidone ring by 59.42 (4) and 78.54 (6)°, respectively. The C13—C2—C3—C22 and O4—C4—C3—C22 torsion angles are 56.36 (17) and −11.0 (2)°, respectively.
Figure 1

The mol­ecular structure of the title compound with displacement ellipsoids drawn at the 50% probability level.

Supra­molecular features

In the crystal, centrosymmetrically-related mol­ecules are linked into dimers through pairs of N—H⋯O hydrogen bonds (Table 1 ▸) forming rings with an (16) graph-set motif. The dimers are further connected by N—H⋯Cl and C—H⋯Cl hydrogen inter­actions, forming layers parallel to the (011) plane (Fig. 2 ▸).
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯A D—HH⋯A DA D—H⋯A
N1—H1A⋯O6i 0.92 (2)1.93 (2)2.8500 (18)175.9 (19)
N1—H2A⋯Cl10.92 (2)2.18 (2)3.0959 (15)172.6 (19)
C6—H6⋯Cl1ii 1.002.743.6526 (17)152
C2—H2⋯Cl1ii 1.002.573.5153 (16)158
C12—H12⋯Cl10.952.833.6625 (18)147
C14—H14⋯Cl10.952.823.6144 (16)141
C28—H28B⋯O2iii 0.992.523.308 (3)136

Symmetry codes: (i) ; (ii) ; (iii) .

Figure 2

Packing diagram of the title compound viewed approximately along the c axis. Turquoise lines indicate hydrogen bonds.

Hirshfeld surface analysis

A qu­anti­tative analysis of all type of inter­actions in the title compound was performed using Hirshfeld surface analysis. The Hirshfeld surface mapped over d norm (Spackman & Jayatilaka, 2009 ▸) is shown in Fig. 3 ▸ where the red areas on the surface indicate short contacts (as compared to the sum of the van der Waals radii), while the blue areas indicate longer contacts and white areas indicate contacts with distances equal to the sum of the van der Waals radii. Two-dimensional fingerprint plots are shown in Fig. 4 ▸ with a broad hump showing H⋯H contacts and intense spikes indicating a strong O⋯H inter­action, while the broadening in the wing of the C⋯H inter­action is due to the presence of a Cl⋯H inter­action·The largest contribution is from H⋯H inter­actions (64.1%), followed by O⋯H inter­actions, contributing 20.5%. Other weak inter­molecular inter­actions are: C⋯H (7.8%), Cl⋯H (5.5%), CC(1.2%), C⋯O (0.5%) and Cl⋯O (0.4%).
Figure 3

Hirshfeld surface mapped ove d norm showing the intermolecular contacts in the title compound.

Figure 4

Two-dimensional fingerprint plots for the title compound.

Database survey

A search of the Cambridge Crystallographic Database (CSD version 5.39, updates February 2018; Groom et al., 2016 ▸) revealed three examples of organic compounds having piperdine-4-one as the central unit, namely 1-acryloyl-3-methyl-2,6-bis­(3,4,5-tri­meth­oxy­phen­yl)piperidine-4-one (Gnanendra et al., 2009 ▸), N-nitroso-2,6-di(3,4,5-tri­meth­oxy­phen­yl)-3,5-di­methyl­piperidin-4-one (Kumaran, et al., 1999 ▸) and 1-(2-chloro­acet­yl)-3-methyl-2,6-bis­(3,4,5-tri­meth­oxy­phen­yl)pip­er­idine-4-one (Lakshminarayana et al., 2009 ▸). A study of the supra­molecular features of these compounds revealed that the crystal lattices are stabilized mainly by C—H⋯O inter­molecular inter­actions, forming two-dimensional networks.

Synthesis and crystallization

The title compound was synthesized according to the procedure given in literature (Noller & Baliah, 1948 ▸). A mixture of 2-undeca­none, (0.206 ml, 1 mmol), 3,4,5-tri­meth­oxy­benzaldehyde (0.39 g, 2 mmol) and ammonium acetate (0.077 g, 1 mmol) in ethanol (50 ml) was allowed to reflux for three hours. The progress of reaction was monitored by TLC. After completion of the reaction, the mixture was acidified with dilute hydro­chloric acid (5 mL) and the resulting precipitate was collected, washed with an ethanolether mixture (1:4 v/v), dried and redissolved in ethanol. Crystals suitable for single-crystal X-ray diffraction analysis were obtained on slow evaporation of the solvent at room temperature.

Refinement

Crystal data, data collection and structure refinement details are summarized in Table 2 ▸. H atoms on methyl, methyl­ene and benzene were positioned geometrically with C—H = 0.95–1.00 Å and constrained to ride on their parent atoms with U iso(H) = 1.2U eq(C) or 1.5U eq(C) for methyl H atoms. A rotating model was used for the methyl groups. The N-bound hydrogen atoms were located in a difference-Fourier map and freely refined.
Table 2

Experimental details

Crystal data
Chemical formulaC31H46NO7 +·Cl
M r 580.14
Crystal system, space groupMonoclinic, P21/c
Temperature (K)100
a, b, c (Å)14.1073 (3), 16.0156 (3), 13.7785 (3)
β (°)95.006 (1)
V3)3101.20 (11)
Z 4
Radiation typeCu Kα
μ (mm−1)1.47
Crystal size (mm)0.20 × 0.13 × 0.06
 
Data collection
DiffractometerBruker APEXII CCD
Absorption correctionMulti-scan (SADABS; Bruker, 2014)
T min, T max 0.758, 0.917
No. of measured, independent and observed [I > 2σ(I)] reflections42615, 5681, 4654
R int 0.070
(sin θ/λ)max−1)0.602
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.038, 0.094, 1.01
No. of reflections5681
No. of parameters376
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.30, −0.26

Computer programs: APEX3 and SAINT (Bruker, 2014 ▸), SHELXT (Sheldrick, 2015a ▸), SHELXL2016 (Sheldrick, 2015b ▸) and SHELXTL (Sheldrick, 2008 ▸).

Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S2056989018008125/rz5236sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S2056989018008125/rz5236Isup2.hkl Click here for additional data file. Supporting information file. DOI: 10.1107/S2056989018008125/rz5236Isup3.cml CCDC reference: 1846705 Additional supporting information: crystallographic information; 3D view; checkCIF report
C31H46NO7+·ClF(000) = 1248
Mr = 580.14Dx = 1.243 Mg m3
Monoclinic, P21/cCu Kα radiation, λ = 1.54178 Å
a = 14.1073 (3) ÅCell parameters from 9910 reflections
b = 16.0156 (3) Åθ = 4.2–68.1°
c = 13.7785 (3) ŵ = 1.47 mm1
β = 95.006 (1)°T = 100 K
V = 3101.20 (11) Å3Plate, colourless
Z = 40.20 × 0.13 × 0.06 mm
Bruker APEXII CCD diffractometer4654 reflections with I > 2σ(I)
φ and ω scansRint = 0.070
Absorption correction: multi-scan (SADABS; Bruker, 2014)θmax = 68.2°, θmin = 3.1°
Tmin = 0.758, Tmax = 0.917h = −16→16
42615 measured reflectionsk = −19→19
5681 independent reflectionsl = −16→16
Refinement on F20 restraints
Least-squares matrix: fullHydrogen site location: mixed
R[F2 > 2σ(F2)] = 0.038H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.094w = 1/[σ2(Fo2) + (0.0429P)2 + 1.6956P] where P = (Fo2 + 2Fc2)/3
S = 1.01(Δ/σ)max < 0.001
5681 reflectionsΔρmax = 0.30 e Å3
376 parametersΔρmin = −0.25 e Å3
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.
xyzUiso*/Ueq
Cl10.47703 (3)0.27339 (3)0.21759 (3)0.01915 (11)
N10.45438 (9)0.26752 (8)0.43896 (10)0.0101 (3)
H1A0.4132 (15)0.3058 (13)0.4627 (15)0.027 (6)*
H2A0.4593 (14)0.2742 (12)0.3734 (16)0.022 (5)*
O10.10007 (8)0.06252 (7)0.49865 (9)0.0175 (3)
O20.02051 (8)0.16016 (8)0.35747 (9)0.0204 (3)
O30.12362 (9)0.26030 (8)0.25424 (9)0.0254 (3)
O40.63342 (9)0.06866 (7)0.46982 (10)0.0244 (3)
O50.62986 (8)0.55158 (7)0.64533 (8)0.0162 (3)
O60.67065 (8)0.61776 (7)0.47872 (8)0.0149 (3)
O70.66126 (9)0.52733 (7)0.31193 (8)0.0185 (3)
C120.27045 (12)0.22067 (10)0.34915 (12)0.0148 (3)
H120.3082430.2557420.3124480.018*
C110.17271 (12)0.21537 (11)0.32608 (12)0.0162 (4)
C100.11760 (11)0.16272 (11)0.37882 (12)0.0147 (3)
C90.16088 (12)0.11261 (10)0.45268 (12)0.0132 (3)
C80.25830 (12)0.11864 (10)0.47765 (12)0.0127 (3)
H80.2878310.0854630.5288660.015*
C70.31232 (11)0.17396 (10)0.42668 (11)0.0117 (3)
C60.41701 (11)0.18174 (10)0.45963 (12)0.0126 (3)
H60.4247110.1730240.5317570.015*
C50.47936 (12)0.11751 (10)0.41315 (12)0.0153 (4)
H5A0.4587260.0606230.4299370.018*
H5B0.4707580.1233740.3413950.018*
C40.58324 (12)0.12818 (10)0.44703 (12)0.0154 (4)
C30.62160 (11)0.21731 (10)0.44544 (12)0.0130 (3)
H30.6238030.2329320.3754060.016*
C20.55295 (11)0.27918 (10)0.48908 (11)0.0116 (3)
H20.5504610.2648360.5594440.014*
C130.58429 (11)0.36970 (10)0.48314 (12)0.0119 (3)
C140.60889 (11)0.40364 (10)0.39611 (11)0.0126 (3)
H140.6055370.3707230.3385500.015*
C150.63859 (11)0.48660 (10)0.39415 (12)0.0135 (3)
C160.64548 (11)0.53410 (10)0.47927 (12)0.0124 (3)
C170.62075 (11)0.49956 (10)0.56647 (11)0.0124 (3)
C180.58935 (11)0.41689 (10)0.56850 (12)0.0124 (3)
H180.5716240.3930670.6274220.015*
C190.67804 (13)0.47581 (11)0.23027 (12)0.0203 (4)
H19A0.6183760.4490910.2051600.031*
H19B0.7250410.4328180.2506940.031*
H19C0.7021840.5102530.1790430.031*
C200.76737 (14)0.63474 (12)0.45957 (17)0.0325 (5)
H20A0.7759770.6214270.3914730.049*
H20B0.8105790.6004350.5024960.049*
H20C0.7814640.6939380.4716810.049*
C210.60812 (13)0.51742 (11)0.73677 (12)0.0197 (4)
H21A0.5431040.4953070.7306570.030*
H21B0.6134720.5612520.7865770.030*
H21C0.6529130.4723110.7556890.030*
C220.72327 (12)0.22561 (11)0.49349 (12)0.0163 (4)
H22A0.7631830.1818570.4667390.020*
H22B0.7490190.2804450.4755520.020*
C230.73200 (13)0.21822 (12)0.60461 (13)0.0234 (4)
H23A0.7027080.1649770.6229490.028*
H23B0.6957600.2642790.6318770.028*
C240.83497 (14)0.22117 (12)0.65040 (15)0.0280 (4)
H24A0.8704260.1740450.6243410.034*
H24B0.8346890.2127550.7215570.034*
C250.88844 (13)0.30248 (12)0.63262 (15)0.0259 (4)
H25A0.9554290.2962230.6596020.031*
H25B0.8885010.3111980.5614970.031*
C260.84674 (14)0.37950 (12)0.67733 (16)0.0297 (5)
H26A0.8567370.3752780.7491760.036*
H26B0.7772710.3806920.6592650.036*
C270.89003 (16)0.46103 (13)0.64518 (17)0.0373 (5)
H27A0.8772720.4659990.5736150.045*
H27B0.8571500.5079280.6749040.045*
C280.99598 (17)0.47047 (15)0.67097 (19)0.0454 (6)
H28A1.0298990.4263390.6374800.055*
H28B1.0099640.4624960.7420320.055*
C291.0331 (2)0.55540 (16)0.6425 (2)0.0583 (8)
H29A1.0168270.5648010.5727830.087*
H29B1.1024270.5570250.6564950.087*
H29C1.0040920.5990830.6799670.087*
C320.14052 (13)−0.00537 (11)0.55530 (14)0.0227 (4)
H32A0.181150−0.0384650.5157840.034*
H32B0.089482−0.0407050.5764540.034*
H32C0.1786990.0164860.6125400.034*
C31−0.02712 (14)0.21502 (13)0.41916 (16)0.0300 (5)
H31A−0.0003020.2712890.4157750.045*
H31B−0.0185510.1947560.4864630.045*
H31C−0.0951360.2166190.3975070.045*
C300.17655 (14)0.31979 (13)0.20387 (14)0.0280 (5)
H30A0.2272130.2911270.1726340.042*
H30B0.2047070.3611350.2502550.042*
H30C0.1340830.3479570.1541310.042*
U11U22U33U12U13U23
Cl10.0236 (2)0.0237 (2)0.01052 (18)−0.00088 (17)0.00375 (15)−0.00094 (16)
N10.0100 (7)0.0096 (7)0.0109 (7)−0.0013 (5)0.0021 (5)0.0001 (6)
O10.0126 (6)0.0157 (6)0.0245 (6)−0.0022 (5)0.0034 (5)0.0052 (5)
O20.0103 (6)0.0270 (7)0.0234 (6)−0.0016 (5)−0.0009 (5)0.0015 (5)
O30.0176 (7)0.0345 (8)0.0227 (7)−0.0059 (6)−0.0058 (5)0.0145 (6)
O40.0168 (6)0.0122 (6)0.0437 (8)0.0025 (5)−0.0005 (6)0.0020 (6)
O50.0217 (6)0.0146 (6)0.0129 (6)−0.0038 (5)0.0037 (5)−0.0035 (5)
O60.0157 (6)0.0084 (6)0.0217 (6)−0.0021 (4)0.0071 (5)−0.0009 (5)
O70.0306 (7)0.0125 (6)0.0134 (6)−0.0001 (5)0.0084 (5)0.0019 (5)
C120.0153 (8)0.0159 (9)0.0136 (8)−0.0045 (7)0.0030 (6)−0.0009 (7)
C110.0174 (9)0.0193 (9)0.0114 (8)−0.0014 (7)−0.0013 (6)0.0006 (7)
C100.0110 (8)0.0177 (9)0.0153 (8)−0.0033 (7)0.0003 (6)−0.0039 (7)
C90.0150 (8)0.0110 (8)0.0141 (8)−0.0027 (6)0.0038 (6)−0.0033 (6)
C80.0148 (8)0.0103 (8)0.0131 (8)0.0002 (6)0.0019 (6)−0.0014 (6)
C70.0125 (8)0.0104 (8)0.0123 (8)−0.0001 (6)0.0020 (6)−0.0049 (6)
C60.0143 (8)0.0103 (8)0.0132 (8)−0.0025 (6)0.0018 (6)0.0011 (6)
C50.0159 (9)0.0111 (8)0.0186 (8)−0.0012 (7)0.0006 (7)−0.0022 (7)
C40.0144 (9)0.0132 (9)0.0187 (8)0.0001 (7)0.0022 (7)−0.0016 (7)
C30.0119 (8)0.0116 (8)0.0154 (8)−0.0005 (6)0.0010 (6)0.0008 (6)
C20.0108 (8)0.0126 (8)0.0112 (7)−0.0016 (6)−0.0011 (6)0.0013 (6)
C130.0075 (8)0.0119 (8)0.0160 (8)0.0013 (6)−0.0007 (6)0.0019 (7)
C140.0139 (8)0.0118 (8)0.0121 (8)0.0008 (6)0.0006 (6)−0.0020 (6)
C150.0126 (8)0.0141 (8)0.0139 (8)0.0008 (6)0.0019 (6)0.0023 (7)
C160.0101 (8)0.0086 (8)0.0185 (8)−0.0004 (6)0.0015 (6)0.0004 (6)
C170.0097 (8)0.0139 (8)0.0134 (8)0.0012 (6)0.0005 (6)−0.0022 (7)
C180.0104 (8)0.0145 (8)0.0124 (8)−0.0005 (6)0.0013 (6)0.0010 (6)
C190.0282 (10)0.0210 (9)0.0129 (8)0.0044 (8)0.0076 (7)0.0021 (7)
C200.0233 (11)0.0205 (10)0.0565 (14)−0.0085 (8)0.0189 (10)−0.0066 (10)
C210.0267 (10)0.0194 (9)0.0133 (8)−0.0008 (7)0.0027 (7)−0.0015 (7)
C220.0115 (8)0.0132 (8)0.0239 (9)−0.0013 (7)0.0002 (7)0.0014 (7)
C230.0207 (10)0.0235 (10)0.0248 (9)−0.0045 (8)−0.0049 (8)0.0077 (8)
C240.0238 (10)0.0252 (10)0.0327 (11)0.0006 (8)−0.0094 (8)0.0039 (9)
C250.0148 (9)0.0276 (11)0.0337 (11)0.0007 (8)−0.0067 (8)−0.0037 (9)
C260.0226 (10)0.0281 (11)0.0372 (11)0.0016 (8)−0.0052 (9)−0.0043 (9)
C270.0430 (13)0.0247 (11)0.0427 (13)0.0052 (9)−0.0047 (10)−0.0040 (10)
C280.0458 (14)0.0326 (13)0.0557 (15)−0.0129 (11)−0.0076 (12)0.0090 (11)
C290.073 (2)0.0385 (15)0.0618 (17)−0.0215 (13)−0.0015 (15)0.0061 (13)
C320.0198 (10)0.0145 (9)0.0342 (10)−0.0017 (7)0.0043 (8)0.0080 (8)
C310.0163 (10)0.0279 (11)0.0463 (12)0.0036 (8)0.0056 (9)0.0000 (9)
C300.0284 (11)0.0326 (11)0.0221 (9)−0.0065 (9)−0.0039 (8)0.0132 (9)
N1—C61.507 (2)C18—H180.9500
N1—C21.5092 (19)C19—H19A0.9800
N1—H1A0.92 (2)C19—H19B0.9800
N1—H2A0.92 (2)C19—H19C0.9800
O1—C91.369 (2)C20—H20A0.9800
O1—C321.428 (2)C20—H20B0.9800
O2—C101.3762 (19)C20—H20C0.9800
O2—C311.430 (2)C21—H21A0.9800
O3—C111.363 (2)C21—H21B0.9800
O3—C301.427 (2)C21—H21C0.9800
O4—C41.212 (2)C22—C231.530 (2)
O5—C171.3664 (19)C22—H22A0.9900
O5—C211.431 (2)C22—H22B0.9900
O6—C161.3863 (19)C23—C241.533 (2)
O6—C201.438 (2)C23—H23A0.9900
O7—C151.3691 (19)C23—H23B0.9900
O7—C191.431 (2)C24—C251.535 (3)
C12—C111.390 (2)C24—H24A0.9900
C12—C71.393 (2)C24—H24B0.9900
C12—H120.9500C25—C261.520 (3)
C11—C101.394 (2)C25—H25A0.9900
C10—C91.394 (2)C25—H25B0.9900
C9—C81.391 (2)C26—C271.524 (3)
C8—C71.397 (2)C26—H26A0.9900
C8—H80.9500C26—H26B0.9900
C7—C61.512 (2)C27—C281.513 (3)
C6—C51.530 (2)C27—H27A0.9900
C6—H61.0000C27—H27B0.9900
C5—C41.508 (2)C28—C291.521 (3)
C5—H5A0.9900C28—H28A0.9900
C5—H5B0.9900C28—H28B0.9900
C4—C31.527 (2)C29—H29A0.9800
C3—C221.532 (2)C29—H29B0.9800
C3—C21.544 (2)C29—H29C0.9800
C3—H31.0000C32—H32A0.9800
C2—C131.520 (2)C32—H32B0.9800
C2—H21.0000C32—H32C0.9800
C13—C141.388 (2)C31—H31A0.9800
C13—C181.395 (2)C31—H31B0.9800
C14—C151.394 (2)C31—H31C0.9800
C14—H140.9500C30—H30A0.9800
C15—C161.394 (2)C30—H30B0.9800
C16—C171.395 (2)C30—H30C0.9800
C17—C181.397 (2)
C6—N1—C2110.48 (12)H19B—C19—H19C109.5
C6—N1—H1A107.3 (13)O6—C20—H20A109.5
C2—N1—H1A109.8 (13)O6—C20—H20B109.5
C6—N1—H2A110.5 (12)H20A—C20—H20B109.5
C2—N1—H2A106.8 (12)O6—C20—H20C109.5
H1A—N1—H2A111.9 (17)H20A—C20—H20C109.5
C9—O1—C32117.53 (13)H20B—C20—H20C109.5
C10—O2—C31111.41 (13)O5—C21—H21A109.5
C11—O3—C30116.83 (13)O5—C21—H21B109.5
C17—O5—C21117.03 (13)H21A—C21—H21B109.5
C16—O6—C20115.55 (13)O5—C21—H21C109.5
C15—O7—C19116.26 (13)H21A—C21—H21C109.5
C11—C12—C7119.23 (15)H21B—C21—H21C109.5
C11—C12—H12120.4C23—C22—C3114.61 (14)
C7—C12—H12120.4C23—C22—H22A108.6
O3—C11—C12124.38 (15)C3—C22—H22A108.6
O3—C11—C10115.27 (15)C23—C22—H22B108.6
C12—C11—C10120.33 (15)C3—C22—H22B108.6
O2—C10—C11119.78 (15)H22A—C22—H22B107.6
O2—C10—C9120.21 (15)C22—C23—C24113.59 (16)
C11—C10—C9120.01 (15)C22—C23—H23A108.8
O1—C9—C8124.86 (15)C24—C23—H23A108.8
O1—C9—C10115.01 (14)C22—C23—H23B108.8
C8—C9—C10120.07 (15)C24—C23—H23B108.8
C9—C8—C7119.35 (15)H23A—C23—H23B107.7
C9—C8—H8120.3C23—C24—C25114.93 (15)
C7—C8—H8120.3C23—C24—H24A108.5
C12—C7—C8120.85 (15)C25—C24—H24A108.5
C12—C7—C6121.59 (14)C23—C24—H24B108.5
C8—C7—C6117.56 (14)C25—C24—H24B108.5
N1—C6—C7111.53 (13)H24A—C24—H24B107.5
N1—C6—C5108.08 (13)C26—C25—C24114.25 (17)
C7—C6—C5113.65 (13)C26—C25—H25A108.7
N1—C6—H6107.8C24—C25—H25A108.7
C7—C6—H6107.8C26—C25—H25B108.7
C5—C6—H6107.8C24—C25—H25B108.7
C4—C5—C6111.89 (13)H25A—C25—H25B107.6
C4—C5—H5A109.2C25—C26—C27113.49 (18)
C6—C5—H5A109.2C25—C26—H26A108.9
C4—C5—H5B109.2C27—C26—H26A108.9
C6—C5—H5B109.2C25—C26—H26B108.9
H5A—C5—H5B107.9C27—C26—H26B108.9
O4—C4—C5121.38 (15)H26A—C26—H26B107.7
O4—C4—C3122.61 (15)C28—C27—C26115.47 (18)
C5—C4—C3115.93 (14)C28—C27—H27A108.4
C4—C3—C22113.23 (13)C26—C27—H27A108.4
C4—C3—C2111.05 (13)C28—C27—H27B108.4
C22—C3—C2111.81 (13)C26—C27—H27B108.4
C4—C3—H3106.8H27A—C27—H27B107.5
C22—C3—H3106.8C27—C28—C29112.6 (2)
C2—C3—H3106.8C27—C28—H28A109.1
N1—C2—C13110.75 (12)C29—C28—H28A109.1
N1—C2—C3109.06 (12)C27—C28—H28B109.1
C13—C2—C3113.33 (13)C29—C28—H28B109.1
N1—C2—H2107.8H28A—C28—H28B107.8
C13—C2—H2107.8C28—C29—H29A109.5
C3—C2—H2107.8C28—C29—H29B109.5
C14—C13—C18121.21 (15)H29A—C29—H29B109.5
C14—C13—C2121.05 (14)C28—C29—H29C109.5
C18—C13—C2117.72 (14)H29A—C29—H29C109.5
C13—C14—C15119.22 (15)H29B—C29—H29C109.5
C13—C14—H14120.4O1—C32—H32A109.5
C15—C14—H14120.4O1—C32—H32B109.5
O7—C15—C16115.59 (14)H32A—C32—H32B109.5
O7—C15—C14124.21 (14)O1—C32—H32C109.5
C16—C15—C14120.19 (15)H32A—C32—H32C109.5
O6—C16—C15121.46 (14)H32B—C32—H32C109.5
O6—C16—C17118.14 (14)O2—C31—H31A109.5
C15—C16—C17120.27 (15)O2—C31—H31B109.5
O5—C17—C16115.47 (14)H31A—C31—H31B109.5
O5—C17—C18124.74 (15)O2—C31—H31C109.5
C16—C17—C18119.79 (15)H31A—C31—H31C109.5
C13—C18—C17119.32 (15)H31B—C31—H31C109.5
C13—C18—H18120.3O3—C30—H30A109.5
C17—C18—H18120.3O3—C30—H30B109.5
O7—C19—H19A109.5H30A—C30—H30B109.5
O7—C19—H19B109.5O3—C30—H30C109.5
H19A—C19—H19B109.5H30A—C30—H30C109.5
O7—C19—H19C109.5H30B—C30—H30C109.5
H19A—C19—H19C109.5
C30—O3—C11—C12−3.7 (3)C4—C3—C2—N1−52.26 (17)
C30—O3—C11—C10175.14 (16)C22—C3—C2—N1−179.79 (13)
C7—C12—C11—O3177.55 (16)C4—C3—C2—C13−176.12 (13)
C7—C12—C11—C10−1.2 (2)C22—C3—C2—C1356.36 (17)
C31—O2—C10—C11−94.91 (19)N1—C2—C13—C14−72.60 (18)
C31—O2—C10—C985.34 (19)C3—C2—C13—C1450.34 (19)
O3—C11—C10—O2−1.1 (2)N1—C2—C13—C18108.71 (15)
C12—C11—C10—O2177.78 (15)C3—C2—C13—C18−128.36 (15)
O3—C11—C10—C9178.68 (15)C18—C13—C14—C15−0.4 (2)
C12—C11—C10—C9−2.5 (3)C2—C13—C14—C15−179.07 (14)
C32—O1—C9—C8−19.5 (2)C19—O7—C15—C16164.77 (14)
C32—O1—C9—C10163.47 (15)C19—O7—C15—C14−16.2 (2)
O2—C10—C9—O10.7 (2)C13—C14—C15—O7−177.57 (15)
C11—C10—C9—O1−179.09 (14)C13—C14—C15—C161.5 (2)
O2—C10—C9—C8−176.50 (14)C20—O6—C16—C15−68.8 (2)
C11—C10—C9—C83.7 (2)C20—O6—C16—C17115.49 (17)
O1—C9—C8—C7−178.21 (15)O7—C15—C16—O62.1 (2)
C10—C9—C8—C7−1.3 (2)C14—C15—C16—O6−177.05 (14)
C11—C12—C7—C83.6 (2)O7—C15—C16—C17177.72 (14)
C11—C12—C7—C6−175.63 (15)C14—C15—C16—C17−1.4 (2)
C9—C8—C7—C12−2.4 (2)C21—O5—C17—C16−177.99 (14)
C9—C8—C7—C6176.93 (14)C21—O5—C17—C181.9 (2)
C2—N1—C6—C7169.23 (13)O6—C16—C17—O5−4.0 (2)
C2—N1—C6—C5−65.15 (16)C15—C16—C17—O5−179.79 (14)
C12—C7—C6—N128.7 (2)O6—C16—C17—C18176.06 (14)
C8—C7—C6—N1−150.55 (14)C15—C16—C17—C180.3 (2)
C12—C7—C6—C5−93.73 (18)C14—C13—C18—C17−0.7 (2)
C8—C7—C6—C586.98 (18)C2—C13—C18—C17178.00 (14)
N1—C6—C5—C454.93 (17)O5—C17—C18—C13−179.16 (15)
C7—C6—C5—C4179.29 (14)C16—C17—C18—C130.8 (2)
C6—C5—C4—O4136.04 (17)C4—C3—C22—C23−72.37 (19)
C6—C5—C4—C3−47.10 (19)C2—C3—C22—C2353.98 (19)
O4—C4—C3—C22−11.0 (2)C3—C22—C23—C24176.33 (15)
C5—C4—C3—C22172.14 (14)C22—C23—C24—C2561.5 (2)
O4—C4—C3—C2−137.80 (17)C23—C24—C25—C2663.6 (2)
C5—C4—C3—C245.39 (19)C24—C25—C26—C27−170.44 (16)
C6—N1—C2—C13−170.33 (13)C25—C26—C27—C28−60.8 (3)
C6—N1—C2—C364.30 (16)C26—C27—C28—C29−176.3 (2)
D—H···AD—HH···AD···AD—H···A
N1—H1A···O6i0.92 (2)1.93 (2)2.8500 (18)175.9 (19)
N1—H2A···Cl10.92 (2)2.18 (2)3.0959 (15)172.6 (19)
C6—H6···Cl1ii1.002.743.6526 (17)152
C2—H2···Cl1ii1.002.573.5153 (16)158
C12—H12···Cl10.952.833.6625 (18)147
C14—H14···Cl10.952.823.6144 (16)141
C28—H28B···O2iii0.992.523.308 (3)136
  11 in total

1.  Antagonists of the human CCR5 receptor as anti-HIV-1 agents. Part 4: synthesis and structure-activity relationships for 1-[N-(methyl)-N-(phenylsulfonyl)amino]-2-(phenyl)-4-(4-(N-(alkyl)-N-(benzyloxycarbonyl)amino)piperidin-1-yl)butanes.

Authors:  P E Finke; B Oates; S G Mills; M MacCoss; L Malkowitz; M S Springer; S L Gould; J A DeMartino; A Carella; G Carver; K Holmes; R Danzeisen; D Hazuda; J Kessler; J Lineberger; M Miller; W A Schleif; E A Emini
Journal:  Bioorg Med Chem Lett       Date:  2001-09-17       Impact factor: 2.823

2.  A diastereocontrolled synthesis of (+)-febrifugine: a potent antimalarial piperidine alkaloid.

Authors:  T Taniguchi; K Ogasawara
Journal:  Org Lett       Date:  2000-10-05       Impact factor: 6.005

3.  Synthesis of trans-(3S)-amino-(4R)-alkyl- and -(4S)-aryl-piperidines via ring-closing metathesis reaction.

Authors:  X Eric Hu; Nick K Kim; Benoit Ledoussal
Journal:  Org Lett       Date:  2002-12-12       Impact factor: 6.005

4.  A short history of SHELX.

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

5.  The preparation of some piperidine derivatives by the Mannich reaction.

Authors:  C R NOLLER; V BALIAH
Journal:  J Am Chem Soc       Date:  1948-11       Impact factor: 15.419

6.  Synthesis of N-substituted 3,5-bis(arylidene)-4-piperidones with high antitumor and antioxidant activity.

Authors:  Tamás Kálai; M Lakshmi Kuppusamy; Mária Balog; Karuppaiyah Selvendiran; Brian K Rivera; Periannan Kuppusamy; Kálmán Hideg
Journal:  J Med Chem       Date:  2011-07-06       Impact factor: 7.446

7.  Synthesis and biological evaluation of certain alpha,beta-unsaturated ketones and their corresponding fused pyridines as antiviral and cytotoxic agents.

Authors:  H I El-Subbagh; S M Abu-Zaid; M A Mahran; F A Badria; A M Al-Obaid
Journal:  J Med Chem       Date:  2000-07-27       Impact factor: 7.446

8.  SHELXT - integrated space-group and crystal-structure determination.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A Found Adv       Date:  2015-01-01       Impact factor: 2.290

9.  Crystal structure refinement with SHELXL.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr C Struct Chem       Date:  2015-01-01       Impact factor: 1.172

10.  The Cambridge Structural Database.

Authors:  Colin R Groom; Ian J Bruno; Matthew P Lightfoot; Suzanna C Ward
Journal:  Acta Crystallogr B Struct Sci Cryst Eng Mater       Date:  2016-04-01
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