organic compounds
3-Isopropyl-1-{2-[(1-methyl-1H-tetrazol-5-yl)sulfanyl]acetyl}-2,6-diphenylpiperidin-4-one hemihydrate
aResearch Development Centre, Orchid Chemicals and Pharmaceuticals Ltd, Sozhinganallur, Chennai 600 119, India, bDepartment of Chemistry, Presidency College (Autonomous), Chennai 600 005, India, and cCentre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India
*Correspondence e-mail: mnpsy2004@yahoo.com
In the title compound, C24H27N5O2S·0.5H2O, the piperidine ring adopts a distorted boat conformation. The phenyl rings subtend dihedral angles of 69.7 (1) and 88.7 (1)° with the best plane through the piperidine moiety. In the crystal, symmetry-related molecules are linked through a network of C—H⋯O and C—H⋯N interactions, the former connecting them into zigzag chains along the c-axis direction and the latter forming an R22(4)motif. The dimer formation (C—H⋯N) and the repetition of symmetry-related molecules (C—H⋯O) along the b-axis direction stabilize the packing mode. The water molecule is located on a twofold rotation axis.
CCDC reference: 963167
Related literature
For the biological activity of piperidine derivatives, see: Aridoss et al. (2009). For puckering parameters, see: Cremer & Pople (1975). For asymmetry parameters, see: Nardelli (1983). For hydrogen-bond motifs, see: Bernstein et al. (1995).
Experimental
Crystal data
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Data collection: APEX2 (Bruker, 2008); cell SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supporting information
CCDC reference: 963167
10.1107/S1600536813026500/bt6930sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813026500/bt6930Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536813026500/bt6930Isup3.cml
To anhydrous DMF(10 ml), N-Chloroacetyl-3-isopropyl-2,6-diphenylpiperidin-4-one (1 mole), 5-Mercapto-1-methyltetrazole(1 mole) followed by potassium carbonate (1.5 mole) was added and stirred for 1 hr at room temperature. The reaction mass was heated to 60°C and stirred and monitored using TLC. After completion of reaction, the reaction mass was quenched into water and the product was extracted with dichloromethane. The dichloromethane layer distilled completely and to the residue methanol was added and kept in overnight. The solid obtained was filtered and dried at 60° C under vacuum. Single crystals were obtained by re-crystallization using ethanol.
H atoms were positioned geometrically (C–H = 0.93–0.98 Å) and allowed to ride on their parent atoms, with Uiso(H) =1.5Ueq(C) for methyl H atoms and 1.2Ueq(C) for all other H atoms. The ADP value for the water molecules is rather high. Since the H atoms of the solvent water molecule could not be located, they were not included in the refinement.
Data collection: APEX2 (Bruker, 2008); cell
SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound, showing the atomic numbering and displacement ellipsoids drawn at 30% probability level. | |
Fig. 2. The crystal packing of the molecules viewed down c axis. |
C24H27N5O2S·0.5H2O | F(000) = 1944 |
Mr = 458.57 | Dx = 1.266 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -C 2yc | Cell parameters from 4157 reflections |
a = 28.7522 (9) Å | θ = 2.5–28.5° |
b = 11.1809 (4) Å | µ = 0.17 mm−1 |
c = 16.5584 (5) Å | T = 293 K |
β = 115.303 (2)° | Block, white crystalline |
V = 4812.4 (3) Å3 | 0.22 × 0.19 × 0.17 mm |
Z = 8 |
Bruker SMART APEXII CCD diffractometer | 6013 independent reflections |
Radiation source: fine-focus sealed tube | 4157 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.026 |
ω and ϕ scans | θmax = 28.5°, θmin = 2.5° |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | h = −38→37 |
Tmin = 0.964, Tmax = 0.972 | k = −14→14 |
22058 measured reflections | l = −22→22 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.046 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0657P)2 + 3.1292P] where P = (Fo2 + 2Fc2)/3 |
6013 reflections | (Δ/σ)max < 0.001 |
297 parameters | Δρmax = 0.42 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
C24H27N5O2S·0.5H2O | V = 4812.4 (3) Å3 |
Mr = 458.57 | Z = 8 |
Monoclinic, C2/c | Mo Kα radiation |
a = 28.7522 (9) Å | µ = 0.17 mm−1 |
b = 11.1809 (4) Å | T = 293 K |
c = 16.5584 (5) Å | 0.22 × 0.19 × 0.17 mm |
β = 115.303 (2)° |
Bruker SMART APEXII CCD diffractometer | 6013 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | 4157 reflections with I > 2σ(I) |
Tmin = 0.964, Tmax = 0.972 | Rint = 0.026 |
22058 measured reflections |
R[F2 > 2σ(F2)] = 0.046 | 0 restraints |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.42 e Å−3 |
6013 reflections | Δρmin = −0.25 e Å−3 |
297 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
C2 | 0.36794 (6) | 0.31060 (16) | 0.37251 (12) | 0.0412 (4) | |
H2 | 0.3603 | 0.2457 | 0.3289 | 0.049* | |
C3 | 0.40052 (7) | 0.40262 (18) | 0.35071 (12) | 0.0492 (4) | |
H3 | 0.4339 | 0.3659 | 0.3635 | 0.059* | |
C4 | 0.41000 (7) | 0.51029 (18) | 0.41040 (13) | 0.0519 (5) | |
C5 | 0.37256 (7) | 0.52979 (16) | 0.45051 (12) | 0.0465 (4) | |
H5A | 0.3715 | 0.6147 | 0.4617 | 0.056* | |
H5B | 0.3856 | 0.4894 | 0.5078 | 0.056* | |
C6 | 0.31739 (6) | 0.48676 (14) | 0.39456 (11) | 0.0388 (4) | |
H6 | 0.3012 | 0.5417 | 0.3441 | 0.047* | |
C7 | 0.28781 (6) | 0.49375 (15) | 0.45121 (11) | 0.0402 (4) | |
C8 | 0.25431 (7) | 0.58770 (17) | 0.43993 (14) | 0.0519 (5) | |
H8 | 0.2485 | 0.6437 | 0.3951 | 0.062* | |
C9 | 0.22951 (9) | 0.5988 (2) | 0.49479 (18) | 0.0661 (6) | |
H9 | 0.2071 | 0.6625 | 0.4868 | 0.079* | |
C10 | 0.23757 (9) | 0.5170 (2) | 0.56082 (17) | 0.0682 (6) | |
H10 | 0.2211 | 0.5253 | 0.5981 | 0.082* | |
C11 | 0.27031 (9) | 0.4222 (2) | 0.57168 (15) | 0.0638 (6) | |
H11 | 0.2755 | 0.3657 | 0.6159 | 0.077* | |
C12 | 0.29535 (8) | 0.41052 (17) | 0.51762 (13) | 0.0508 (4) | |
H12 | 0.3175 | 0.3464 | 0.5257 | 0.061* | |
C13 | 0.39463 (6) | 0.25381 (16) | 0.46536 (12) | 0.0439 (4) | |
C14 | 0.36763 (7) | 0.16991 (17) | 0.48954 (14) | 0.0525 (5) | |
H14 | 0.3345 | 0.1489 | 0.4490 | 0.063* | |
C15 | 0.38885 (9) | 0.1164 (2) | 0.57293 (15) | 0.0640 (6) | |
H15 | 0.3698 | 0.0611 | 0.5883 | 0.077* | |
C16 | 0.43792 (9) | 0.1451 (2) | 0.63289 (16) | 0.0708 (6) | |
H16 | 0.4522 | 0.1097 | 0.6891 | 0.085* | |
C17 | 0.46572 (8) | 0.2261 (2) | 0.60943 (16) | 0.0712 (7) | |
H17 | 0.4991 | 0.2450 | 0.6498 | 0.085* | |
C18 | 0.44445 (7) | 0.28039 (19) | 0.52588 (14) | 0.0570 (5) | |
H18 | 0.4638 | 0.3349 | 0.5106 | 0.068* | |
C19 | 0.37600 (8) | 0.4421 (2) | 0.25143 (14) | 0.0598 (5) | |
H19 | 0.3441 | 0.4849 | 0.2402 | 0.072* | |
C20 | 0.36228 (12) | 0.3358 (3) | 0.18807 (16) | 0.0836 (8) | |
H20A | 0.3481 | 0.3639 | 0.1275 | 0.125* | |
H20B | 0.3374 | 0.2867 | 0.1968 | 0.125* | |
H20C | 0.3927 | 0.2896 | 0.2000 | 0.125* | |
C21 | 0.41134 (12) | 0.5283 (3) | 0.2321 (2) | 0.1060 (11) | |
H21A | 0.4432 | 0.4888 | 0.2434 | 0.159* | |
H21B | 0.4181 | 0.5971 | 0.2701 | 0.159* | |
H21C | 0.3950 | 0.5530 | 0.1707 | 0.159* | |
C22 | 0.27371 (6) | 0.31101 (15) | 0.30215 (11) | 0.0386 (4) | |
C23 | 0.22425 (6) | 0.37998 (17) | 0.27937 (12) | 0.0456 (4) | |
H23A | 0.2283 | 0.4620 | 0.2643 | 0.055* | |
H23B | 0.2159 | 0.3808 | 0.3303 | 0.055* | |
C24 | 0.12585 (7) | 0.41117 (17) | 0.17409 (13) | 0.0499 (4) | |
C25 | 0.06530 (10) | 0.3638 (2) | 0.01369 (17) | 0.0818 (8) | |
H25A | 0.0921 | 0.3667 | −0.0062 | 0.123* | |
H25B | 0.0352 | 0.4030 | −0.0292 | 0.123* | |
H25C | 0.0573 | 0.2819 | 0.0199 | 0.123* | |
N1 | 0.31787 (5) | 0.36569 (12) | 0.35824 (9) | 0.0368 (3) | |
N2 | 0.12550 (7) | 0.48754 (19) | 0.23410 (14) | 0.0695 (5) | |
N3 | 0.08016 (8) | 0.5478 (2) | 0.19371 (18) | 0.0833 (6) | |
N4 | 0.05421 (7) | 0.51015 (18) | 0.11397 (18) | 0.0799 (6) | |
N5 | 0.08241 (6) | 0.42381 (15) | 0.09937 (12) | 0.0600 (5) | |
O1 | 0.44618 (6) | 0.57684 (16) | 0.42809 (13) | 0.0792 (5) | |
O2 | 0.27217 (5) | 0.21064 (12) | 0.27106 (9) | 0.0508 (3) | |
S1 | 0.173492 (17) | 0.30767 (4) | 0.18556 (3) | 0.04999 (15) | |
O1W | 0.0000 | 0.7061 (7) | 0.2500 | 0.373 (7) | |
H1W | 0.0172 | 0.6692 | 0.2298 | 0.560* |
U11 | U22 | U33 | U12 | U13 | U23 | |
C2 | 0.0302 (8) | 0.0449 (9) | 0.0444 (9) | −0.0009 (7) | 0.0121 (7) | −0.0003 (7) |
C3 | 0.0349 (9) | 0.0609 (12) | 0.0488 (10) | −0.0035 (8) | 0.0152 (8) | 0.0055 (8) |
C4 | 0.0369 (9) | 0.0564 (11) | 0.0538 (11) | −0.0119 (8) | 0.0110 (8) | 0.0054 (8) |
C5 | 0.0403 (9) | 0.0427 (9) | 0.0481 (9) | −0.0116 (7) | 0.0109 (8) | −0.0033 (7) |
C6 | 0.0345 (8) | 0.0355 (8) | 0.0397 (8) | −0.0034 (6) | 0.0093 (7) | 0.0020 (6) |
C7 | 0.0379 (8) | 0.0378 (9) | 0.0405 (8) | −0.0080 (7) | 0.0125 (7) | −0.0056 (6) |
C8 | 0.0477 (10) | 0.0447 (10) | 0.0582 (11) | −0.0021 (8) | 0.0178 (9) | −0.0059 (8) |
C9 | 0.0559 (12) | 0.0567 (13) | 0.0906 (16) | −0.0078 (10) | 0.0360 (12) | −0.0249 (12) |
C10 | 0.0721 (14) | 0.0690 (14) | 0.0807 (15) | −0.0302 (12) | 0.0491 (13) | −0.0313 (12) |
C11 | 0.0796 (15) | 0.0617 (13) | 0.0586 (12) | −0.0225 (11) | 0.0377 (12) | −0.0074 (10) |
C12 | 0.0568 (11) | 0.0444 (10) | 0.0514 (10) | −0.0058 (8) | 0.0234 (9) | −0.0009 (8) |
C13 | 0.0315 (8) | 0.0431 (9) | 0.0488 (9) | 0.0015 (7) | 0.0091 (7) | 0.0029 (7) |
C14 | 0.0369 (9) | 0.0475 (10) | 0.0594 (11) | −0.0039 (8) | 0.0076 (9) | 0.0079 (8) |
C15 | 0.0550 (12) | 0.0554 (12) | 0.0684 (13) | −0.0029 (10) | 0.0138 (11) | 0.0173 (10) |
C16 | 0.0609 (13) | 0.0701 (14) | 0.0577 (12) | 0.0018 (11) | 0.0028 (11) | 0.0188 (11) |
C17 | 0.0433 (11) | 0.0793 (15) | 0.0615 (13) | −0.0053 (11) | −0.0057 (10) | 0.0118 (11) |
C18 | 0.0340 (9) | 0.0624 (12) | 0.0614 (12) | −0.0061 (8) | 0.0077 (9) | 0.0094 (10) |
C19 | 0.0508 (11) | 0.0727 (14) | 0.0510 (11) | −0.0044 (10) | 0.0170 (9) | 0.0103 (10) |
C20 | 0.096 (2) | 0.0965 (19) | 0.0498 (12) | −0.0058 (16) | 0.0236 (13) | 0.0015 (12) |
C21 | 0.104 (2) | 0.139 (3) | 0.0702 (16) | −0.043 (2) | 0.0331 (16) | 0.0237 (17) |
C22 | 0.0305 (8) | 0.0454 (9) | 0.0335 (7) | −0.0032 (7) | 0.0076 (6) | 0.0004 (7) |
C23 | 0.0312 (8) | 0.0503 (10) | 0.0426 (9) | −0.0025 (7) | 0.0036 (7) | −0.0051 (8) |
C24 | 0.0332 (9) | 0.0517 (10) | 0.0541 (10) | −0.0021 (8) | 0.0085 (8) | 0.0071 (8) |
C25 | 0.0601 (14) | 0.0748 (16) | 0.0668 (14) | 0.0057 (12) | −0.0146 (12) | 0.0038 (12) |
N1 | 0.0279 (6) | 0.0386 (7) | 0.0373 (7) | −0.0025 (5) | 0.0077 (5) | −0.0008 (5) |
N2 | 0.0495 (10) | 0.0756 (13) | 0.0749 (12) | 0.0097 (9) | 0.0185 (9) | −0.0033 (10) |
N3 | 0.0576 (12) | 0.0761 (14) | 0.1063 (17) | 0.0158 (11) | 0.0254 (12) | −0.0021 (13) |
N4 | 0.0472 (10) | 0.0623 (12) | 0.1054 (17) | 0.0130 (9) | 0.0089 (11) | 0.0096 (11) |
N5 | 0.0376 (8) | 0.0515 (9) | 0.0681 (11) | 0.0017 (7) | 0.0009 (8) | 0.0113 (8) |
O1 | 0.0542 (9) | 0.0838 (11) | 0.0987 (12) | −0.0338 (8) | 0.0320 (9) | −0.0138 (9) |
O2 | 0.0399 (7) | 0.0483 (7) | 0.0540 (7) | −0.0035 (5) | 0.0104 (6) | −0.0138 (6) |
S1 | 0.0327 (2) | 0.0534 (3) | 0.0470 (3) | −0.00136 (19) | 0.00093 (18) | −0.0049 (2) |
O1W | 0.275 (9) | 0.202 (7) | 0.68 (2) | 0.000 | 0.242 (13) | 0.000 |
C2—N1 | 1.489 (2) | C16—C17 | 1.370 (3) |
C2—C13 | 1.532 (2) | C16—H16 | 0.9300 |
C2—C3 | 1.535 (2) | C17—C18 | 1.390 (3) |
C2—H2 | 0.9800 | C17—H17 | 0.9300 |
C3—C4 | 1.507 (3) | C18—H18 | 0.9300 |
C3—C19 | 1.551 (3) | C19—C20 | 1.522 (3) |
C3—H3 | 0.9800 | C19—C21 | 1.530 (3) |
C4—O1 | 1.209 (2) | C19—H19 | 0.9800 |
C4—C5 | 1.503 (3) | C20—H20A | 0.9600 |
C5—C6 | 1.533 (2) | C20—H20B | 0.9600 |
C5—H5A | 0.9700 | C20—H20C | 0.9600 |
C5—H5B | 0.9700 | C21—H21A | 0.9600 |
C6—N1 | 1.484 (2) | C21—H21B | 0.9600 |
C6—C7 | 1.514 (2) | C21—H21C | 0.9600 |
C6—H6 | 0.9800 | C22—O2 | 1.228 (2) |
C7—C8 | 1.383 (3) | C22—N1 | 1.357 (2) |
C7—C12 | 1.385 (3) | C22—C23 | 1.517 (2) |
C8—C9 | 1.379 (3) | C23—S1 | 1.8052 (17) |
C8—H8 | 0.9300 | C23—H23A | 0.9700 |
C9—C10 | 1.367 (4) | C23—H23B | 0.9700 |
C9—H9 | 0.9300 | C24—N2 | 1.313 (3) |
C10—C11 | 1.378 (3) | C24—N5 | 1.338 (2) |
C10—H10 | 0.9300 | C24—S1 | 1.741 (2) |
C11—C12 | 1.374 (3) | C25—N5 | 1.452 (3) |
C11—H11 | 0.9300 | C25—H25A | 0.9600 |
C12—H12 | 0.9300 | C25—H25B | 0.9600 |
C13—C14 | 1.382 (3) | C25—H25C | 0.9600 |
C13—C18 | 1.385 (2) | N2—N3 | 1.362 (3) |
C14—C15 | 1.384 (3) | N3—N4 | 1.279 (3) |
C14—H14 | 0.9300 | N4—N5 | 1.347 (3) |
C15—C16 | 1.372 (3) | O1W—H1W | 0.8163 |
C15—H15 | 0.9300 | ||
N1—C2—C13 | 111.48 (14) | C17—C16—H16 | 120.2 |
N1—C2—C3 | 109.35 (14) | C15—C16—H16 | 120.2 |
C13—C2—C3 | 114.81 (14) | C16—C17—C18 | 120.61 (19) |
N1—C2—H2 | 106.9 | C16—C17—H17 | 119.7 |
C13—C2—H2 | 106.9 | C18—C17—H17 | 119.7 |
C3—C2—H2 | 106.9 | C13—C18—C17 | 120.36 (19) |
C4—C3—C2 | 109.80 (15) | C13—C18—H18 | 119.8 |
C4—C3—C19 | 109.92 (17) | C17—C18—H18 | 119.8 |
C2—C3—C19 | 113.18 (15) | C20—C19—C21 | 110.3 (2) |
C4—C3—H3 | 107.9 | C20—C19—C3 | 111.99 (19) |
C2—C3—H3 | 107.9 | C21—C19—C3 | 111.05 (18) |
C19—C3—H3 | 107.9 | C20—C19—H19 | 107.8 |
O1—C4—C5 | 120.56 (19) | C21—C19—H19 | 107.8 |
O1—C4—C3 | 123.12 (19) | C3—C19—H19 | 107.8 |
C5—C4—C3 | 116.29 (15) | C19—C20—H20A | 109.5 |
C4—C5—C6 | 116.04 (15) | C19—C20—H20B | 109.5 |
C4—C5—H5A | 108.3 | H20A—C20—H20B | 109.5 |
C6—C5—H5A | 108.3 | C19—C20—H20C | 109.5 |
C4—C5—H5B | 108.3 | H20A—C20—H20C | 109.5 |
C6—C5—H5B | 108.3 | H20B—C20—H20C | 109.5 |
H5A—C5—H5B | 107.4 | C19—C21—H21A | 109.5 |
N1—C6—C7 | 113.78 (13) | C19—C21—H21B | 109.5 |
N1—C6—C5 | 110.17 (14) | H21A—C21—H21B | 109.5 |
C7—C6—C5 | 108.64 (14) | C19—C21—H21C | 109.5 |
N1—C6—H6 | 108.0 | H21A—C21—H21C | 109.5 |
C7—C6—H6 | 108.0 | H21B—C21—H21C | 109.5 |
C5—C6—H6 | 108.0 | O2—C22—N1 | 123.69 (16) |
C8—C7—C12 | 118.77 (18) | O2—C22—C23 | 119.90 (15) |
C8—C7—C6 | 119.93 (16) | N1—C22—C23 | 116.41 (14) |
C12—C7—C6 | 121.23 (16) | C22—C23—S1 | 108.28 (12) |
C9—C8—C7 | 120.4 (2) | C22—C23—H23A | 110.0 |
C9—C8—H8 | 119.8 | S1—C23—H23A | 110.0 |
C7—C8—H8 | 119.8 | C22—C23—H23B | 110.0 |
C10—C9—C8 | 120.5 (2) | S1—C23—H23B | 110.0 |
C10—C9—H9 | 119.7 | H23A—C23—H23B | 108.4 |
C8—C9—H9 | 119.7 | N2—C24—N5 | 108.97 (18) |
C9—C10—C11 | 119.5 (2) | N2—C24—S1 | 127.57 (15) |
C9—C10—H10 | 120.3 | N5—C24—S1 | 123.46 (16) |
C11—C10—H10 | 120.3 | N5—C25—H25A | 109.5 |
C12—C11—C10 | 120.5 (2) | N5—C25—H25B | 109.5 |
C12—C11—H11 | 119.8 | H25A—C25—H25B | 109.5 |
C10—C11—H11 | 119.8 | N5—C25—H25C | 109.5 |
C11—C12—C7 | 120.4 (2) | H25A—C25—H25C | 109.5 |
C11—C12—H12 | 119.8 | H25B—C25—H25C | 109.5 |
C7—C12—H12 | 119.8 | C22—N1—C6 | 121.37 (13) |
C14—C13—C18 | 118.14 (17) | C22—N1—C2 | 118.73 (14) |
C14—C13—C2 | 118.02 (15) | C6—N1—C2 | 119.27 (13) |
C18—C13—C2 | 123.84 (17) | C24—N2—N3 | 105.37 (19) |
C13—C14—C15 | 121.32 (18) | N4—N3—N2 | 111.0 (2) |
C13—C14—H14 | 119.3 | N3—N4—N5 | 106.89 (18) |
C15—C14—H14 | 119.3 | C24—N5—N4 | 107.78 (19) |
C16—C15—C14 | 120.0 (2) | C24—N5—C25 | 130.34 (19) |
C16—C15—H15 | 120.0 | N4—N5—C25 | 121.86 (18) |
C14—C15—H15 | 120.0 | C24—S1—C23 | 96.05 (9) |
C17—C16—C15 | 119.6 (2) | ||
N1—C2—C3—C4 | 59.75 (18) | C2—C13—C18—C17 | 179.1 (2) |
C13—C2—C3—C4 | −66.4 (2) | C16—C17—C18—C13 | 0.4 (4) |
N1—C2—C3—C19 | −63.5 (2) | C4—C3—C19—C20 | −176.12 (19) |
C13—C2—C3—C19 | 170.36 (17) | C2—C3—C19—C20 | −53.0 (2) |
C2—C3—C4—O1 | 155.9 (2) | C4—C3—C19—C21 | 60.0 (3) |
C19—C3—C4—O1 | −79.0 (2) | C2—C3—C19—C21 | −176.8 (2) |
C2—C3—C4—C5 | −22.2 (2) | O2—C22—C23—S1 | −14.3 (2) |
C19—C3—C4—C5 | 102.97 (19) | N1—C22—C23—S1 | 166.62 (12) |
O1—C4—C5—C6 | 151.13 (19) | O2—C22—N1—C6 | −179.37 (15) |
C3—C4—C5—C6 | −30.8 (2) | C23—C22—N1—C6 | −0.3 (2) |
C4—C5—C6—N1 | 45.1 (2) | O2—C22—N1—C2 | 9.8 (2) |
C4—C5—C6—C7 | 170.36 (15) | C23—C22—N1—C2 | −171.18 (14) |
N1—C6—C7—C8 | −135.30 (16) | C7—C6—N1—C22 | 61.59 (19) |
C5—C6—C7—C8 | 101.58 (18) | C5—C6—N1—C22 | −176.13 (14) |
N1—C6—C7—C12 | 47.8 (2) | C7—C6—N1—C2 | −127.61 (15) |
C5—C6—C7—C12 | −75.3 (2) | C5—C6—N1—C2 | −5.3 (2) |
C12—C7—C8—C9 | 0.9 (3) | C13—C2—N1—C22 | −107.47 (17) |
C6—C7—C8—C9 | −176.10 (17) | C3—C2—N1—C22 | 124.49 (16) |
C7—C8—C9—C10 | −0.2 (3) | C13—C2—N1—C6 | 81.48 (17) |
C8—C9—C10—C11 | −0.7 (3) | C3—C2—N1—C6 | −46.55 (19) |
C9—C10—C11—C12 | 1.0 (3) | N5—C24—N2—N3 | 0.1 (2) |
C10—C11—C12—C7 | −0.3 (3) | S1—C24—N2—N3 | −179.61 (17) |
C8—C7—C12—C11 | −0.7 (3) | C24—N2—N3—N4 | 0.3 (3) |
C6—C7—C12—C11 | 176.30 (17) | N2—N3—N4—N5 | −0.6 (3) |
N1—C2—C13—C14 | 55.1 (2) | N2—C24—N5—N4 | −0.4 (2) |
C3—C2—C13—C14 | −179.87 (17) | S1—C24—N5—N4 | 179.29 (15) |
N1—C2—C13—C18 | −125.88 (19) | N2—C24—N5—C25 | 177.7 (2) |
C3—C2—C13—C18 | −0.8 (3) | S1—C24—N5—C25 | −2.5 (3) |
C18—C13—C14—C15 | 2.1 (3) | N3—N4—N5—C24 | 0.6 (3) |
C2—C13—C14—C15 | −178.76 (19) | N3—N4—N5—C25 | −177.7 (2) |
C13—C14—C15—C16 | −1.1 (4) | N2—C24—S1—C23 | −19.8 (2) |
C14—C15—C16—C17 | −0.4 (4) | N5—C24—S1—C23 | 160.54 (17) |
C15—C16—C17—C18 | 0.7 (4) | C22—C23—S1—C24 | −176.64 (13) |
C14—C13—C18—C17 | −1.8 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
C25—H25C···O1i | 0.96 | 2.47 | 3.406 (3) | 166 |
C18—H18···O1ii | 0.93 | 2.54 | 3.312 (2) | 140 |
C25—H25B···N4iii | 0.96 | 2.54 | 3.472 (3) | 165 |
Symmetry codes: (i) −x+1/2, y−1/2, −z+1/2; (ii) −x+1, −y+1, −z+1; (iii) −x, −y+1, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
C25—H25C···O1i | 0.96 | 2.47 | 3.406 (3) | 166.2 |
C18—H18···O1ii | 0.93 | 2.54 | 3.312 (2) | 140.4 |
C25—H25B···N4iii | 0.96 | 2.54 | 3.472 (3) | 164.7 |
Symmetry codes: (i) −x+1/2, y−1/2, −z+1/2; (ii) −x+1, −y+1, −z+1; (iii) −x, −y+1, −z. |
Acknowledgements
SG wishes to thank Orchid Chemicals and Pharmaceuticals Limited (www.orchidpharma.com), Chennai, India, for consent to perform the research. PS thanks the UGC, New Delhi, for financial support in the form of a Research Fellowship in Science for Meritorious Students.
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
In a way to find piperidin-4-one based lead drug molecules for the antimicrobial therapy, various piperidin-4-ones were prepared by condensing N-chloroacetyl-2,6-diphenylpiperidin-4-one with 5-mercapto-(1-methyltetrazole) (Aridoss et al., 2009). 5-Mercapto-(1-methyl tetrazole) is the active part of a number of cephalosporanic drugs like Cefamandole, Cefoperazone, Cefmetazole sodium & Cefotetan and responsible for its activity. The present investigation was undertaken to establish the structure and conformation of the title compound by X-ray crystallographic methods.
The ORTEP plot of the molecule is shown in Fig. 1. The piperidine ring adopts a distorted boat conformation with the puckering parameters (Cremer & Pople, 1975) and the asymmetry parameters (Nardelli, 1983): q2=0.662 (2) Å, q3 = 0.079 (2) Å, ϕ2 = 76.86 (2)° and Δs(N1 & C4)= 74.11 (2)°.
The methyltetrazol ring is planar with the maximum deviation -0.003 (2) Å for N4 atom. The endocyclic bond lengths of N2–N3=1.362 (4)°, N3–N4= 1.278 (4) Å & N4–N5 = 1.348 (3) Å, clearly indicate that they are alternate single and double bonds.
The carbonyl group is almost anti-periplanar to C2 and C6, [C2—C3—C4—O1 = 155.9 (2)°; C6—C5—C4—O1= 151.1 (2)°]. The dihedral angles between the best plane through the piperidine ring and the phenyl rings are 69.7 (1)° & 88.7 (1)°. The two phenyl rings are oriented to each other with a dihedral angle of 70.5 (1)°.
Symmetry related molecules are linked through a network of intermolecular C—H···O and C—H···N interactions. C18–H18···O1 and C25–H25B···O1 connect the molecules to zigzag chains. Another motif R22(4), involving the weak interaction C25—H25A···N4 is shown in Fig. 2 (Bernstein et al., 1995).