organic compounds
3-(4-Chlorophenyl)-4-(4-methoxyphenyl)-6-(phenylselenylmethyl)-2,3,3a,3b,4,5,5a,6,1′′,2′′,3′′,4′′-dodecahydroazeto[2′,3′:3,4]pyrrolo[1,2-b]isoxazole-2-spiro-2′′-naphthalene-5,1′′-dione
aDepartment of Physics, Easwari Engineering College, Ramapuram, Chennai 600 089, India, bDepartment of Physics, SRM University, Ramapuram Campus, Chennai 600 089, India, and cDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India
*Correspondence e-mail: sudha.rmp@ph.srmuniv.ac.in
In the title compound, C36H31ClN2O4Se, the four-membered β-lactam ring is fused to a pyrrolidine ring. The central five-membered ring of the fused tricyclic system exhibits an with the N atom as the flap, while the other five-membered ring exhibits a twist conformation. The chlorophenyl ring is almost perpendicular to the pyrrolidine ring, making a dihedral angle of 73.45 (1)°. The is stabilized by weak intermolecular C—H⋯O interactions and the packing is further enhanced by C—H ⋯N interactions and π–π interactions between benzene rings of tetralone groups in molecules related by an inversion center, with a centroid–centroid separation of 3.8923 (2) Å.
Related literature
For related literature, see: Allen et al. (1987); Amal Raj et al. (2003); Brakhage (1998); Cremer & Pople (1975); Kilonda et al. (1995); Nardelli (1983).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2004); cell SAINT (Bruker, 2004); data reduction: SAINT; program(s) used to solve structure: SIR92 (Altomare et al., 1993); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: PLATON (Spek, 2003).
Supporting information
10.1107/S1600536808006570/bh2162sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808006570/bh2162Isup2.hkl
To a solution of the bicyclic nitrone (1 mmol) in dry acetonitrile (20 ml) was added 4-chlorobenzilidene tetralone (1 mmol) under N2 atmosphere. The mixture was refluxed for 4 h. After completion of the reaction, the solvent was distilled off under reduced pressure. The crude product was purified by β-lactam (I) in good yield. The product was recrystallized from dry benzene by slow evaporation.
(hexane:ethyl acetate, 8:2) to give pureH atoms were placed in idealized positions and allowed to ride on their parent atoms, with C—H bond lengths fixed to 0.93 (aromatic CH), 0.96 (methyl CH3), 0.97 (methylene CH2) or 0.98 Å (methine CH), and Uiso(H) = 1.2–1.5Ueq(carrier C).
Data collection: SMART (Bruker, 2004); cell
SMART (Bruker, 2004); data reduction: SAINT (Bruker, 2004); program(s) used to solve structure: SIR92 (Altomare et al., 1993); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: PLATON (Spek, 2003).Fig. 1. The molecular structure of (I) with 30% probability displacement ellipsoids. | |
Fig. 2. The packing of the molecules viewed along c axis. |
C36H31ClN2O4Se | F(000) = 1376 |
Mr = 670.04 | Dx = 1.460 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 37171 reflections |
a = 14.4697 (3) Å | θ = 1.7–29.8° |
b = 10.9493 (3) Å | µ = 1.36 mm−1 |
c = 19.3011 (4) Å | T = 293 K |
β = 94.661 (1)° | Prism, colourless |
V = 3047.82 (12) Å3 | 0.30 × 0.30 × 0.24 mm |
Z = 4 |
Bruker APEXII diffractometer | 8699 independent reflections |
Radiation source: fine-focus sealed tube | 5453 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.035 |
ω and ϕ scans | θmax = 29.8°, θmin = 1.7° |
Absorption correction: multi-scan (Blessing, 1995) | h = −20→19 |
Tmin = 0.671, Tmax = 0.720 | k = −15→15 |
37171 measured reflections | l = −26→26 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.053 | H-atom parameters constrained |
wR(F2) = 0.176 | w = 1/[σ2(Fo2) + (0.09P)2 + 1.6651P] where P = (Fo2 + 2Fc2)/3 |
S = 1.02 | (Δ/σ)max = 0.001 |
8699 reflections | Δρmax = 0.72 e Å−3 |
398 parameters | Δρmin = −0.86 e Å−3 |
0 restraints | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0037 (6) |
C36H31ClN2O4Se | V = 3047.82 (12) Å3 |
Mr = 670.04 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 14.4697 (3) Å | µ = 1.36 mm−1 |
b = 10.9493 (3) Å | T = 293 K |
c = 19.3011 (4) Å | 0.30 × 0.30 × 0.24 mm |
β = 94.661 (1)° |
Bruker APEXII diffractometer | 8699 independent reflections |
Absorption correction: multi-scan (Blessing, 1995) | 5453 reflections with I > 2σ(I) |
Tmin = 0.671, Tmax = 0.720 | Rint = 0.035 |
37171 measured reflections |
R[F2 > 2σ(F2)] = 0.053 | 0 restraints |
wR(F2) = 0.176 | H-atom parameters constrained |
S = 1.02 | Δρmax = 0.72 e Å−3 |
8699 reflections | Δρmin = −0.86 e Å−3 |
398 parameters |
x | y | z | Uiso*/Ueq | ||
C1 | 0.70233 (19) | 0.1671 (3) | 0.69974 (13) | 0.0414 (6) | |
C2 | 0.68196 (19) | 0.0826 (2) | 0.75936 (13) | 0.0419 (6) | |
H2 | 0.6303 | 0.0261 | 0.7486 | 0.050* | |
C3 | 0.68566 (18) | 0.1382 (3) | 0.83223 (12) | 0.0416 (6) | |
H3 | 0.7007 | 0.2254 | 0.8307 | 0.050* | |
C4 | 0.83576 (18) | 0.0507 (2) | 0.82017 (12) | 0.0383 (5) | |
H4 | 0.8742 | −0.0205 | 0.8336 | 0.046* | |
C5 | 0.77879 (19) | 0.0276 (2) | 0.75107 (12) | 0.0405 (5) | |
H5 | 0.7777 | −0.0580 | 0.7361 | 0.049* | |
C6 | 0.85780 (18) | 0.1320 (2) | 0.64929 (12) | 0.0398 (6) | |
C7 | 0.9257 (2) | 0.0452 (3) | 0.64583 (14) | 0.0480 (6) | |
H7 | 0.9233 | −0.0258 | 0.6721 | 0.058* | |
C8 | 0.9979 (2) | 0.0618 (3) | 0.60390 (15) | 0.0534 (7) | |
H8 | 1.0437 | 0.0025 | 0.6021 | 0.064* | |
C9 | 1.0015 (2) | 0.1668 (3) | 0.56475 (15) | 0.0520 (7) | |
C10 | 0.9323 (2) | 0.2523 (3) | 0.56705 (16) | 0.0556 (7) | |
H10 | 0.9337 | 0.3220 | 0.5396 | 0.067* | |
C11 | 0.8610 (2) | 0.2368 (3) | 0.60915 (15) | 0.0487 (6) | |
H11 | 0.8152 | 0.2962 | 0.6107 | 0.058* | |
C12 | 1.1467 (3) | 0.1143 (5) | 0.5225 (2) | 0.0798 (11) | |
H12A | 1.1883 | 0.1430 | 0.4897 | 0.120* | |
H12B | 1.1266 | 0.0331 | 0.5100 | 0.120* | |
H12C | 1.1781 | 0.1135 | 0.5682 | 0.120* | |
C13 | 0.89041 (17) | 0.1991 (2) | 0.90386 (12) | 0.0330 (5) | |
C14 | 0.87399 (17) | 0.3350 (2) | 0.91654 (13) | 0.0371 (5) | |
C15 | 0.89318 (17) | 0.3797 (2) | 0.98876 (13) | 0.0371 (5) | |
C16 | 0.8704 (2) | 0.5000 (3) | 1.00480 (17) | 0.0519 (7) | |
H16 | 0.8441 | 0.5516 | 0.9704 | 0.062* | |
C17 | 0.8873 (3) | 0.5414 (3) | 1.07230 (19) | 0.0643 (9) | |
H17 | 0.8713 | 0.6209 | 1.0833 | 0.077* | |
C18 | 0.9270 (2) | 0.4672 (3) | 1.12289 (17) | 0.0623 (9) | |
H18 | 0.9381 | 0.4966 | 1.1680 | 0.075* | |
C19 | 0.9505 (2) | 0.3509 (3) | 1.10802 (14) | 0.0495 (7) | |
H19 | 0.9783 | 0.3013 | 1.1429 | 0.059* | |
C20 | 0.93320 (17) | 0.3050 (2) | 1.04094 (13) | 0.0389 (5) | |
C21 | 0.9594 (2) | 0.1759 (3) | 1.02692 (14) | 0.0494 (7) | |
H21A | 0.9114 | 0.1219 | 1.0413 | 0.059* | |
H21B | 1.0165 | 0.1563 | 1.0545 | 0.059* | |
C22 | 0.9726 (2) | 0.1536 (2) | 0.95051 (13) | 0.0425 (6) | |
H22A | 1.0283 | 0.1950 | 0.9384 | 0.051* | |
H22B | 0.9807 | 0.0668 | 0.9429 | 0.051* | |
C23 | 0.89336 (16) | 0.1679 (2) | 0.82651 (12) | 0.0337 (5) | |
H23 | 0.8584 | 0.2313 | 0.7999 | 0.040* | |
C24 | 0.98856 (18) | 0.1624 (3) | 0.80023 (13) | 0.0444 (6) | |
C25 | 1.0212 (2) | 0.2641 (3) | 0.76751 (15) | 0.0563 (8) | |
H25 | 0.9843 | 0.3337 | 0.7630 | 0.068* | |
C26 | 1.1072 (3) | 0.2648 (5) | 0.74137 (19) | 0.0852 (14) | |
H26 | 1.1281 | 0.3345 | 0.7199 | 0.102* | |
C27 | 1.1604 (3) | 0.1645 (6) | 0.74713 (19) | 0.0958 (18) | |
C28 | 1.1314 (3) | 0.0618 (6) | 0.7789 (2) | 0.0966 (17) | |
H28 | 1.1695 | −0.0068 | 0.7827 | 0.116* | |
C29 | 1.0447 (3) | 0.0594 (4) | 0.80593 (18) | 0.0716 (10) | |
H29 | 1.0247 | −0.0106 | 0.8275 | 0.086* | |
C30 | 0.5995 (2) | 0.1179 (4) | 0.87015 (15) | 0.0565 (8) | |
H30A | 0.6075 | 0.1552 | 0.9158 | 0.068* | |
H30B | 0.5898 | 0.0310 | 0.8762 | 0.068* | |
C31 | 0.4002 (2) | 0.1351 (3) | 0.87652 (14) | 0.0495 (7) | |
C32 | 0.3946 (3) | 0.0177 (4) | 0.9000 (2) | 0.0728 (10) | |
H32 | 0.4378 | −0.0398 | 0.8878 | 0.087* | |
C33 | 0.3252 (3) | −0.0167 (4) | 0.9417 (2) | 0.0842 (12) | |
H33 | 0.3226 | −0.0970 | 0.9572 | 0.101* | |
C34 | 0.2633 (3) | 0.0623 (5) | 0.9598 (2) | 0.0851 (13) | |
H34 | 0.2168 | 0.0375 | 0.9873 | 0.102* | |
C35 | 0.2670 (3) | 0.1785 (5) | 0.9386 (2) | 0.0879 (14) | |
H35 | 0.2237 | 0.2344 | 0.9525 | 0.106* | |
C36 | 0.3345 (2) | 0.2166 (4) | 0.8964 (2) | 0.0695 (10) | |
H36 | 0.3356 | 0.2973 | 0.8815 | 0.083* | |
N1 | 0.78743 (16) | 0.1158 (2) | 0.69470 (10) | 0.0394 (5) | |
N2 | 0.76374 (16) | 0.0684 (2) | 0.86869 (10) | 0.0419 (5) | |
O1 | 0.80695 (13) | 0.13881 (18) | 0.92556 (9) | 0.0450 (4) | |
O2 | 0.84345 (18) | 0.4012 (2) | 0.87024 (11) | 0.0628 (6) | |
O3 | 1.06894 (17) | 0.1926 (3) | 0.52152 (14) | 0.0757 (8) | |
O4 | 0.66189 (15) | 0.2495 (2) | 0.66906 (11) | 0.0575 (5) | |
Cl1 | 1.26648 (8) | 0.1614 (3) | 0.71137 (7) | 0.1700 (10) | |
Se1 | 0.49162 (2) | 0.18861 (4) | 0.817879 (17) | 0.06640 (16) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0462 (14) | 0.0452 (15) | 0.0319 (11) | −0.0076 (12) | −0.0014 (10) | −0.0051 (10) |
C2 | 0.0448 (14) | 0.0466 (15) | 0.0340 (11) | −0.0163 (11) | 0.0019 (10) | −0.0054 (10) |
C3 | 0.0449 (14) | 0.0480 (15) | 0.0320 (11) | −0.0129 (12) | 0.0034 (10) | −0.0024 (10) |
C4 | 0.0470 (14) | 0.0354 (12) | 0.0322 (11) | −0.0041 (11) | 0.0013 (10) | 0.0024 (9) |
C5 | 0.0547 (15) | 0.0331 (12) | 0.0335 (11) | −0.0091 (11) | 0.0020 (10) | −0.0037 (9) |
C6 | 0.0450 (14) | 0.0462 (15) | 0.0277 (11) | −0.0069 (11) | −0.0004 (9) | −0.0052 (10) |
C7 | 0.0613 (17) | 0.0437 (15) | 0.0395 (13) | 0.0033 (13) | 0.0065 (12) | 0.0004 (11) |
C8 | 0.0556 (17) | 0.0597 (18) | 0.0456 (15) | 0.0111 (14) | 0.0082 (12) | −0.0044 (13) |
C9 | 0.0452 (15) | 0.069 (2) | 0.0419 (14) | −0.0051 (14) | 0.0051 (11) | 0.0015 (13) |
C10 | 0.0513 (17) | 0.0624 (19) | 0.0534 (16) | −0.0034 (15) | 0.0055 (13) | 0.0174 (15) |
C11 | 0.0461 (15) | 0.0539 (17) | 0.0461 (14) | 0.0023 (13) | 0.0037 (11) | 0.0076 (13) |
C12 | 0.0520 (19) | 0.116 (3) | 0.073 (2) | 0.006 (2) | 0.0159 (17) | −0.004 (2) |
C13 | 0.0358 (11) | 0.0332 (12) | 0.0295 (10) | −0.0023 (9) | −0.0003 (8) | 0.0025 (9) |
C14 | 0.0349 (12) | 0.0385 (13) | 0.0370 (12) | 0.0038 (10) | −0.0020 (9) | 0.0025 (10) |
C15 | 0.0344 (12) | 0.0364 (13) | 0.0407 (12) | −0.0044 (10) | 0.0051 (9) | −0.0012 (10) |
C16 | 0.0573 (17) | 0.0390 (15) | 0.0604 (17) | 0.0009 (13) | 0.0109 (14) | −0.0014 (13) |
C17 | 0.076 (2) | 0.0462 (17) | 0.072 (2) | −0.0042 (16) | 0.0178 (18) | −0.0197 (16) |
C18 | 0.069 (2) | 0.069 (2) | 0.0504 (17) | −0.0174 (17) | 0.0099 (15) | −0.0185 (15) |
C19 | 0.0516 (16) | 0.0585 (18) | 0.0381 (13) | −0.0102 (13) | 0.0011 (11) | −0.0052 (12) |
C20 | 0.0362 (12) | 0.0446 (14) | 0.0353 (12) | −0.0061 (10) | −0.0003 (9) | −0.0025 (10) |
C21 | 0.0636 (18) | 0.0473 (16) | 0.0347 (12) | 0.0094 (13) | −0.0108 (12) | 0.0033 (11) |
C22 | 0.0509 (15) | 0.0379 (13) | 0.0371 (12) | 0.0117 (11) | −0.0074 (11) | 0.0010 (10) |
C23 | 0.0351 (11) | 0.0353 (12) | 0.0303 (10) | −0.0016 (9) | 0.0003 (9) | 0.0023 (9) |
C24 | 0.0381 (13) | 0.0622 (17) | 0.0325 (11) | −0.0017 (12) | −0.0002 (10) | −0.0039 (11) |
C25 | 0.0518 (17) | 0.074 (2) | 0.0443 (15) | −0.0194 (15) | 0.0074 (12) | −0.0075 (14) |
C26 | 0.053 (2) | 0.152 (4) | 0.0524 (19) | −0.036 (3) | 0.0117 (16) | −0.008 (2) |
C27 | 0.0392 (18) | 0.209 (6) | 0.0390 (17) | 0.001 (3) | 0.0041 (13) | −0.014 (3) |
C28 | 0.063 (2) | 0.169 (5) | 0.057 (2) | 0.057 (3) | 0.0006 (18) | −0.007 (3) |
C29 | 0.065 (2) | 0.098 (3) | 0.0516 (18) | 0.032 (2) | 0.0041 (15) | 0.0042 (18) |
C30 | 0.0450 (15) | 0.086 (2) | 0.0392 (14) | −0.0098 (15) | 0.0051 (11) | 0.0036 (14) |
C31 | 0.0432 (14) | 0.0645 (19) | 0.0400 (13) | −0.0064 (13) | −0.0017 (11) | 0.0043 (12) |
C32 | 0.070 (2) | 0.064 (2) | 0.086 (3) | 0.0009 (18) | 0.0116 (19) | 0.0029 (19) |
C33 | 0.087 (3) | 0.077 (3) | 0.087 (3) | −0.023 (2) | 0.004 (2) | 0.027 (2) |
C34 | 0.051 (2) | 0.128 (4) | 0.077 (3) | −0.011 (2) | 0.0054 (17) | 0.030 (3) |
C35 | 0.050 (2) | 0.125 (4) | 0.090 (3) | 0.015 (2) | 0.0159 (19) | 0.022 (3) |
C36 | 0.0545 (19) | 0.075 (2) | 0.079 (2) | 0.0053 (17) | 0.0061 (17) | 0.0215 (19) |
N1 | 0.0482 (12) | 0.0390 (11) | 0.0307 (9) | −0.0051 (9) | 0.0012 (8) | −0.0010 (8) |
N2 | 0.0487 (12) | 0.0452 (12) | 0.0316 (10) | −0.0131 (10) | 0.0020 (8) | −0.0011 (9) |
O1 | 0.0508 (11) | 0.0568 (11) | 0.0272 (8) | −0.0179 (9) | 0.0031 (7) | 0.0000 (7) |
O2 | 0.0903 (17) | 0.0478 (12) | 0.0468 (11) | 0.0209 (11) | −0.0156 (11) | 0.0064 (9) |
O3 | 0.0550 (14) | 0.102 (2) | 0.0736 (16) | 0.0021 (13) | 0.0258 (12) | 0.0183 (14) |
O4 | 0.0554 (12) | 0.0655 (14) | 0.0514 (11) | 0.0061 (11) | 0.0031 (9) | 0.0103 (11) |
Cl1 | 0.0433 (5) | 0.398 (3) | 0.0709 (7) | 0.0147 (10) | 0.0161 (5) | −0.0191 (12) |
Se1 | 0.0518 (2) | 0.0977 (3) | 0.0502 (2) | −0.00495 (17) | 0.00749 (14) | 0.01801 (17) |
C1—O4 | 1.204 (3) | C17—C18 | 1.361 (5) |
C1—N1 | 1.364 (4) | C17—H17 | 0.9300 |
C1—C2 | 1.523 (4) | C18—C19 | 1.355 (5) |
C2—C3 | 1.529 (3) | C18—H18 | 0.9300 |
C2—C5 | 1.546 (4) | C19—C20 | 1.392 (4) |
C2—H2 | 0.9800 | C19—H19 | 0.9300 |
C3—N2 | 1.492 (4) | C20—C21 | 1.494 (4) |
C3—C30 | 1.513 (4) | C21—C22 | 1.522 (4) |
C3—H3 | 0.9800 | C21—H21A | 0.9700 |
C4—N2 | 1.469 (3) | C21—H21B | 0.9700 |
C4—C23 | 1.529 (3) | C22—H22A | 0.9700 |
C4—C5 | 1.531 (3) | C22—H22B | 0.9700 |
C4—H4 | 0.9800 | C23—C24 | 1.507 (4) |
C5—N1 | 1.468 (3) | C23—H23 | 0.9800 |
C5—H5 | 0.9800 | C24—C25 | 1.382 (4) |
C6—C7 | 1.373 (4) | C24—C29 | 1.389 (5) |
C6—C11 | 1.388 (4) | C25—C26 | 1.380 (5) |
C6—N1 | 1.408 (3) | C25—H25 | 0.9300 |
C7—C8 | 1.384 (4) | C26—C27 | 1.341 (8) |
C7—H7 | 0.9300 | C26—H26 | 0.9300 |
C8—C9 | 1.379 (4) | C27—C28 | 1.363 (7) |
C8—H8 | 0.9300 | C27—Cl1 | 1.734 (4) |
C9—O3 | 1.364 (4) | C28—C29 | 1.398 (6) |
C9—C10 | 1.374 (5) | C28—H28 | 0.9300 |
C10—C11 | 1.375 (4) | C29—H29 | 0.9300 |
C10—H10 | 0.9300 | C30—Se1 | 1.949 (3) |
C11—H11 | 0.9300 | C30—H30A | 0.9700 |
C12—O3 | 1.414 (5) | C30—H30B | 0.9700 |
C12—H12A | 0.9600 | C31—C32 | 1.368 (5) |
C12—H12B | 0.9600 | C31—C36 | 1.381 (5) |
C12—H12C | 0.9600 | C31—Se1 | 1.902 (3) |
C13—O1 | 1.467 (3) | C32—C33 | 1.389 (6) |
C13—C22 | 1.516 (3) | C32—H32 | 0.9300 |
C13—C14 | 1.529 (3) | C33—C34 | 1.313 (7) |
C13—C23 | 1.536 (3) | C33—H33 | 0.9300 |
C14—O2 | 1.206 (3) | C34—C35 | 1.339 (6) |
C14—C15 | 1.482 (3) | C34—H34 | 0.9300 |
C15—C20 | 1.387 (4) | C35—C36 | 1.386 (6) |
C15—C16 | 1.399 (4) | C35—H35 | 0.9300 |
C16—C17 | 1.382 (5) | C36—H36 | 0.9300 |
C16—H16 | 0.9300 | N2—O1 | 1.442 (3) |
O4—C1—N1 | 132.7 (3) | C20—C19—H19 | 119.8 |
O4—C1—C2 | 135.2 (3) | C15—C20—C19 | 119.7 (3) |
N1—C1—C2 | 92.0 (2) | C15—C20—C21 | 121.6 (2) |
C1—C2—C3 | 117.3 (2) | C19—C20—C21 | 118.7 (2) |
C1—C2—C5 | 85.76 (19) | C20—C21—C22 | 112.4 (2) |
C3—C2—C5 | 106.6 (2) | C20—C21—H21A | 109.1 |
C1—C2—H2 | 114.5 | C22—C21—H21A | 109.1 |
C3—C2—H2 | 114.5 | C20—C21—H21B | 109.1 |
C5—C2—H2 | 114.5 | C22—C21—H21B | 109.1 |
N2—C3—C30 | 108.6 (2) | H21A—C21—H21B | 107.9 |
N2—C3—C2 | 101.5 (2) | C13—C22—C21 | 111.6 (2) |
C30—C3—C2 | 114.7 (2) | C13—C22—H22A | 109.3 |
N2—C3—H3 | 110.6 | C21—C22—H22A | 109.3 |
C30—C3—H3 | 110.6 | C13—C22—H22B | 109.3 |
C2—C3—H3 | 110.6 | C21—C22—H22B | 109.3 |
N2—C4—C23 | 104.4 (2) | H22A—C22—H22B | 108.0 |
N2—C4—C5 | 102.6 (2) | C24—C23—C4 | 116.5 (2) |
C23—C4—C5 | 117.4 (2) | C24—C23—C13 | 115.8 (2) |
N2—C4—H4 | 110.6 | C4—C23—C13 | 101.93 (18) |
C23—C4—H4 | 110.6 | C24—C23—H23 | 107.4 |
C5—C4—H4 | 110.6 | C4—C23—H23 | 107.4 |
N1—C5—C4 | 117.7 (2) | C13—C23—H23 | 107.4 |
N1—C5—C2 | 87.3 (2) | C25—C24—C29 | 118.1 (3) |
C4—C5—C2 | 105.9 (2) | C25—C24—C23 | 118.5 (3) |
N1—C5—H5 | 114.2 | C29—C24—C23 | 123.4 (3) |
C4—C5—H5 | 114.2 | C26—C25—C24 | 121.5 (4) |
C2—C5—H5 | 114.2 | C26—C25—H25 | 119.2 |
C7—C6—C11 | 119.3 (3) | C24—C25—H25 | 119.2 |
C7—C6—N1 | 120.0 (2) | C27—C26—C25 | 119.6 (5) |
C11—C6—N1 | 120.7 (2) | C27—C26—H26 | 120.2 |
C6—C7—C8 | 121.0 (3) | C25—C26—H26 | 120.2 |
C6—C7—H7 | 119.5 | C26—C27—C28 | 121.2 (4) |
C8—C7—H7 | 119.5 | C26—C27—Cl1 | 120.3 (5) |
C9—C8—C7 | 119.6 (3) | C28—C27—Cl1 | 118.5 (4) |
C9—C8—H8 | 120.2 | C27—C28—C29 | 120.1 (4) |
C7—C8—H8 | 120.2 | C27—C28—H28 | 120.0 |
O3—C9—C10 | 116.0 (3) | C29—C28—H28 | 120.0 |
O3—C9—C8 | 124.6 (3) | C24—C29—C28 | 119.5 (4) |
C10—C9—C8 | 119.4 (3) | C24—C29—H29 | 120.2 |
C9—C10—C11 | 121.3 (3) | C28—C29—H29 | 120.2 |
C9—C10—H10 | 119.4 | C3—C30—Se1 | 110.4 (2) |
C11—C10—H10 | 119.4 | C3—C30—H30A | 109.6 |
C10—C11—C6 | 119.5 (3) | Se1—C30—H30A | 109.6 |
C10—C11—H11 | 120.2 | C3—C30—H30B | 109.6 |
C6—C11—H11 | 120.2 | Se1—C30—H30B | 109.6 |
O3—C12—H12A | 109.5 | H30A—C30—H30B | 108.1 |
O3—C12—H12B | 109.5 | C32—C31—C36 | 117.1 (3) |
H12A—C12—H12B | 109.5 | C32—C31—Se1 | 123.3 (3) |
O3—C12—H12C | 109.5 | C36—C31—Se1 | 119.6 (3) |
H12A—C12—H12C | 109.5 | C31—C32—C33 | 120.7 (4) |
H12B—C12—H12C | 109.5 | C31—C32—H32 | 119.6 |
O1—C13—C22 | 107.84 (19) | C33—C32—H32 | 119.6 |
O1—C13—C14 | 104.49 (19) | C34—C33—C32 | 121.1 (4) |
C22—C13—C14 | 110.4 (2) | C34—C33—H33 | 119.4 |
O1—C13—C23 | 105.42 (18) | C32—C33—H33 | 119.4 |
C22—C13—C23 | 114.9 (2) | C33—C34—C35 | 120.0 (4) |
C14—C13—C23 | 112.90 (19) | C33—C34—H34 | 120.0 |
O2—C14—C15 | 121.9 (2) | C35—C34—H34 | 120.0 |
O2—C14—C13 | 121.2 (2) | C34—C35—C36 | 120.9 (4) |
C15—C14—C13 | 116.9 (2) | C34—C35—H35 | 119.6 |
C20—C15—C16 | 119.1 (2) | C36—C35—H35 | 119.6 |
C20—C15—C14 | 121.6 (2) | C31—C36—C35 | 120.2 (4) |
C16—C15—C14 | 119.3 (2) | C31—C36—H36 | 119.9 |
C17—C16—C15 | 119.4 (3) | C35—C36—H36 | 119.9 |
C17—C16—H16 | 120.3 | C1—N1—C6 | 134.1 (2) |
C15—C16—H16 | 120.3 | C1—N1—C5 | 94.9 (2) |
C18—C17—C16 | 120.9 (3) | C6—N1—C5 | 130.8 (2) |
C18—C17—H17 | 119.6 | O1—N2—C4 | 105.64 (18) |
C16—C17—H17 | 119.6 | O1—N2—C3 | 110.5 (2) |
C19—C18—C17 | 120.5 (3) | C4—N2—C3 | 108.43 (19) |
C19—C18—H18 | 119.8 | N2—O1—C13 | 109.84 (17) |
C17—C18—H18 | 119.8 | C9—O3—C12 | 118.3 (3) |
C18—C19—C20 | 120.5 (3) | C31—Se1—C30 | 97.81 (12) |
C18—C19—H19 | 119.8 | ||
O4—C1—C2—C3 | −72.1 (4) | C14—C13—C23—C24 | 95.7 (3) |
N1—C1—C2—C3 | 106.3 (3) | O1—C13—C23—C4 | −23.4 (2) |
O4—C1—C2—C5 | −178.7 (3) | C22—C13—C23—C4 | 95.2 (2) |
N1—C1—C2—C5 | −0.26 (18) | C14—C13—C23—C4 | −136.9 (2) |
C1—C2—C3—N2 | −116.6 (2) | C4—C23—C24—C25 | 143.3 (2) |
C5—C2—C3—N2 | −22.8 (2) | C13—C23—C24—C25 | −96.9 (3) |
C1—C2—C3—C30 | 126.5 (3) | C4—C23—C24—C29 | −35.4 (4) |
C5—C2—C3—C30 | −139.6 (3) | C13—C23—C24—C29 | 84.4 (3) |
N2—C4—C5—N1 | 117.0 (2) | C29—C24—C25—C26 | −0.4 (4) |
C23—C4—C5—N1 | 3.3 (4) | C23—C24—C25—C26 | −179.1 (3) |
N2—C4—C5—C2 | 21.6 (2) | C24—C25—C26—C27 | 0.6 (5) |
C23—C4—C5—C2 | −92.1 (3) | C25—C26—C27—C28 | −0.6 (6) |
C1—C2—C5—N1 | 0.25 (17) | C25—C26—C27—Cl1 | 177.2 (3) |
C3—C2—C5—N1 | −117.0 (2) | C26—C27—C28—C29 | 0.4 (6) |
C1—C2—C5—C4 | 118.3 (2) | Cl1—C27—C28—C29 | −177.5 (3) |
C3—C2—C5—C4 | 1.0 (3) | C25—C24—C29—C28 | 0.2 (5) |
C11—C6—C7—C8 | 1.1 (4) | C23—C24—C29—C28 | 178.9 (3) |
N1—C6—C7—C8 | −177.1 (3) | C27—C28—C29—C24 | −0.2 (6) |
C6—C7—C8—C9 | −0.3 (5) | N2—C3—C30—Se1 | −172.35 (18) |
C7—C8—C9—O3 | −179.8 (3) | C2—C3—C30—Se1 | −59.6 (3) |
C7—C8—C9—C10 | −1.2 (5) | C36—C31—C32—C33 | 0.3 (6) |
O3—C9—C10—C11 | −179.4 (3) | Se1—C31—C32—C33 | −178.8 (3) |
C8—C9—C10—C11 | 1.9 (5) | C31—C32—C33—C34 | 0.0 (7) |
C9—C10—C11—C6 | −1.1 (5) | C32—C33—C34—C35 | −0.8 (7) |
C7—C6—C11—C10 | −0.4 (4) | C33—C34—C35—C36 | 1.4 (7) |
N1—C6—C11—C10 | 177.7 (3) | C32—C31—C36—C35 | 0.3 (5) |
O1—C13—C14—O2 | −96.4 (3) | Se1—C31—C36—C35 | 179.4 (3) |
C22—C13—C14—O2 | 147.9 (3) | C34—C35—C36—C31 | −1.1 (7) |
C23—C13—C14—O2 | 17.7 (4) | O4—C1—N1—C6 | −5.6 (5) |
O1—C13—C14—C15 | 80.9 (2) | C2—C1—N1—C6 | 176.0 (3) |
C22—C13—C14—C15 | −34.9 (3) | O4—C1—N1—C5 | 178.7 (3) |
C23—C13—C14—C15 | −165.1 (2) | C2—C1—N1—C5 | 0.28 (19) |
O2—C14—C15—C20 | −176.3 (3) | C7—C6—N1—C1 | −162.9 (3) |
C13—C14—C15—C20 | 6.5 (3) | C11—C6—N1—C1 | 19.0 (4) |
O2—C14—C15—C16 | 3.8 (4) | C7—C6—N1—C5 | 11.4 (4) |
C13—C14—C15—C16 | −173.4 (2) | C11—C6—N1—C5 | −166.7 (2) |
C20—C15—C16—C17 | −0.7 (4) | C4—C5—N1—C1 | −106.8 (3) |
C14—C15—C16—C17 | 179.3 (3) | C2—C5—N1—C1 | −0.28 (19) |
C15—C16—C17—C18 | 1.0 (5) | C4—C5—N1—C6 | 77.3 (3) |
C16—C17—C18—C19 | −0.3 (5) | C2—C5—N1—C6 | −176.2 (2) |
C17—C18—C19—C20 | −0.8 (5) | C23—C4—N2—O1 | −33.7 (2) |
C16—C15—C20—C19 | −0.4 (4) | C5—C4—N2—O1 | −156.62 (19) |
C14—C15—C20—C19 | 179.7 (2) | C23—C4—N2—C3 | 84.8 (2) |
C16—C15—C20—C21 | −179.8 (3) | C5—C4—N2—C3 | −38.1 (2) |
C14—C15—C20—C21 | 0.3 (4) | C30—C3—N2—O1 | −84.9 (3) |
C18—C19—C20—C15 | 1.1 (4) | C2—C3—N2—O1 | 153.83 (18) |
C18—C19—C20—C21 | −179.5 (3) | C30—C3—N2—C4 | 159.7 (2) |
C15—C20—C21—C22 | 22.0 (4) | C2—C3—N2—C4 | 38.5 (2) |
C19—C20—C21—C22 | −157.4 (3) | C4—N2—O1—C13 | 18.9 (2) |
O1—C13—C22—C21 | −56.5 (3) | C3—N2—O1—C13 | −98.2 (2) |
C14—C13—C22—C21 | 57.1 (3) | C22—C13—O1—N2 | −119.7 (2) |
C23—C13—C22—C21 | −173.8 (2) | C14—C13—O1—N2 | 122.8 (2) |
C20—C21—C22—C13 | −50.9 (3) | C23—C13—O1—N2 | 3.6 (2) |
N2—C4—C23—C24 | 161.9 (2) | C10—C9—O3—C12 | 173.6 (3) |
C5—C4—C23—C24 | −85.5 (3) | C8—C9—O3—C12 | −7.8 (5) |
N2—C4—C23—C13 | 34.9 (2) | C32—C31—Se1—C30 | −48.0 (3) |
C5—C4—C23—C13 | 147.6 (2) | C36—C31—Se1—C30 | 132.9 (3) |
O1—C13—C23—C24 | −150.9 (2) | C3—C30—Se1—C31 | 175.9 (2) |
C22—C13—C23—C24 | −32.3 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
C4—H4···O4i | 0.98 | 2.57 | 3.305 (3) | 132 |
C23—H23···O2 | 0.98 | 2.32 | 2.803 (3) | 109 |
C23—H23···N1 | 0.98 | 2.54 | 2.918 (3) | 103 |
Symmetry code: (i) −x+3/2, y−1/2, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | C36H31ClN2O4Se |
Mr | 670.04 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 293 |
a, b, c (Å) | 14.4697 (3), 10.9493 (3), 19.3011 (4) |
β (°) | 94.661 (1) |
V (Å3) | 3047.82 (12) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.36 |
Crystal size (mm) | 0.30 × 0.30 × 0.24 |
Data collection | |
Diffractometer | Bruker APEXII diffractometer |
Absorption correction | Multi-scan (Blessing, 1995) |
Tmin, Tmax | 0.671, 0.720 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 37171, 8699, 5453 |
Rint | 0.035 |
(sin θ/λ)max (Å−1) | 0.699 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.053, 0.176, 1.02 |
No. of reflections | 8699 |
No. of parameters | 398 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.72, −0.86 |
Computer programs: SMART (Bruker, 2004), SAINT (Bruker, 2004), SIR92 (Altomare et al., 1993), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997), PLATON (Spek, 2003).
D—H···A | D—H | H···A | D···A | D—H···A |
C4—H4···O4i | 0.98 | 2.57 | 3.305 (3) | 132 |
C23—H23···O2 | 0.98 | 2.32 | 2.803 (3) | 109 |
C23—H23···N1 | 0.98 | 2.54 | 2.918 (3) | 103 |
Symmetry code: (i) −x+3/2, y−1/2, −z+3/2. |
Acknowledgements
ETSK thanks Professor M. N. Ponnuswamy and Professor D. Velmurugan, Department of Crystallography and Biophysics, University of Madras, India, for their guidance and valuable suggestions. ETSK also thanks SRM Management for their support.
References
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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.
Pyrrolidines and pyrroles are common structural motifs in drugs and drug candidates owing to their ability to act as selective glycosidase inhibitors, which are used in the treatment of diabetes, cancer, malaria and viral infections, including AIDS (Kilonda et al., 1995). These derivatives also possess antimicrobial and antifungal activity (Amal Raj et al., 2003). The discovery of β-lactam is very significant in the history of therapeutic medicine as an antibiotic in the form of penicillin and cephalosporin for infectious diseases (Brakhage, 1998). Due to their importance, the crystal structure determination of the title compound, (I), was carried out and the results are presented here.
Figure 1 shows the ORTEP-3 (Farrugia, 1997) plot of compound (I). Bond lengths and angles are comparable with other reported values (Allen et al., 1987).
In the molecule the five membered ring N2/C3/C2/C5/C4 exhibits envelope conformation with envelope on N2 and with an asymmetry parameter (Nardelli, 1983) Δs(N2) = 0.0067 (1) and with the puckering parameters (Cremer & Pople, 1975) q2 = 0.3669 (3) Å and ϕ2 = 70.58 (4)°. Another five membered ring C4/C23/C13/O1/N2 exhibits twist conformation with asymmetry parameters Δs(C4) = 0.0297 (13), Δ2(O1) = 0.0414 (9) and with the puckering parameters q2 = 0.3452 (2) Å and ϕ2 = -173.27 (4)°.
The sum of bond angles around atom N1, 359.8°, and around atom N2, 324.57°, indicate sp2 and sp3 hybridizations, respectively. The chlorobenzene ring is almost perpendicular to the pyrrolidine ring, making a dihedral angle of 73.45 (1)°. The anisole ring makes a dihedral angle of 14.85 (1)° with the central β-lactam ring, while angle between anisole and tetrahydronapthanone is 66.38 (1)°.
In the crystal packing, atoms O2 and O4 are involved in intermolecular and intramolecular C—H···O interactions, along with C—H···N interactions. Weak intermolecular π···π interactions occur within the benzene ring C15···C20 (1 - x, -y, 1 - z), with a centroid-to-centroid separation of 3.8923 (2) Å.