Literature DB >> 21754048

1',1''-Dimethyl-4'-(naphthalen-1-yl)-1,2,3,4-tetra-hydro-naphthalene-2-spiro-3'-pyrrolidine-2'-spiro-3''-indoline-1,2''-dione.

S Selvanayagam, K Ravikumar, P Saravanan, R Raghunathan.   

Abstract

In the title compound, C(32)H(28)N(2)O(2), the n class="Chemical">pyrrolidine ring adopts an envelope conformation, whereas the cyclo-hexa-none ring in the tetra-hydro-naphthalene fused-ring system adopts a half-chair conformation. The oxindole ring system is oriented at an angle of 48.2 (1)° with respect to the naphthyl ring system. An intra-molecular C-H⋯O close contact is observed. In the crystal, mol-ecules associate via two C-H⋯O hydrogen bonds, forming R(2) (2)(14) and R(2) (2)(10) dimers.

Entities:  

Year:  2011        PMID: 21754048      PMCID: PMC3099991          DOI: 10.1107/S1600536811007124

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


Related literature

For general background to pyrrolidine derivatives, see: Obniska et al. (2003 ▶); Peddi et al. (2004 ▶); Kaminski & Obniska (2008 ▶); Stylianakis et al. (2003 ▶). For related structures, see: Selvanayagam et al. (2011 ▶); Gans & Shalloway (2001 ▶). For ring-puckering parameters, see: Cremer & Pople (1975 ▶) and for asymmetry parameters, see: Nardelli (1983 ▶).

Experimental

Crystal data

C32H28N2O2 M = 472.56 Monoclinic, a = 8.7529 (8) Å b = 18.0411 (16) Å c = 15.4489 (13) Å β = 98.181 (2)° V = 2414.7 (4) Å3 Z = 4 Mo Kα radiation μ = 0.08 mm−1 T = 292 K 0.24 × 0.20 × 0.18 mm

Data collection

Bruker SMART APEX CCD area-detector diffractometer 27968 measured reflections 5745 independent reflections 4389 reflections with I > 2σ(I) R int = 0.030

Refinement

R[F 2 > 2σ(F 2)] = 0.055 wR(F 2) = 0.141 S = 1.04 5745 reflections 327 parameters H-atom parameters constrained Δρmax = 0.27 e Å−3 Δρmin = −0.18 e Å−3 Data collection: SMART (Bruker, 2001 ▶); cell refinement: SAINT (Bruker, 2001 ▶); 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 (Farrugia, 1997 ▶) and PLATON (Spek, 2009 ▶); software used to prepare material for publication: SHELXL97 and PLATON. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536811007124/ng5125sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811007124/ng5125Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C32H28N2O2F(000) = 1000
Mr = 472.56Dx = 1.300 Mg m3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 17402 reflections
a = 8.7529 (8) Åθ = 2.3–27.8°
b = 18.0411 (16) ŵ = 0.08 mm1
c = 15.4489 (13) ÅT = 292 K
β = 98.181 (2)°Block, colourless
V = 2414.7 (4) Å30.24 × 0.20 × 0.18 mm
Z = 4
Bruker SMART APEX CCD area-detector diffractometer4389 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.030
graphiteθmax = 28.0°, θmin = 1.8°
ω scansh = −11→11
27968 measured reflectionsk = −23→23
5745 independent reflectionsl = −20→19
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.055Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.141H-atom parameters constrained
S = 1.04w = 1/[σ2(Fo2) + (0.0661P)2 + 0.5875P] where P = (Fo2 + 2Fc2)/3
5745 reflections(Δ/σ)max = 0.001
327 parametersΔρmax = 0.27 e Å3
0 restraintsΔρmin = −0.18 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.
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 > 2sigma(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
O10.19542 (14)0.03811 (7)0.02474 (7)0.0503 (3)
O20.51135 (15)0.18921 (7)0.29060 (8)0.0526 (3)
N10.17919 (14)0.13236 (7)0.18988 (8)0.0394 (3)
N20.20315 (16)−0.04854 (7)0.13326 (9)0.0447 (3)
C10.28805 (16)0.07193 (8)0.17953 (9)0.0352 (3)
C20.43644 (16)0.11610 (8)0.16072 (9)0.0341 (3)
C30.36697 (17)0.19082 (8)0.11804 (10)0.0375 (3)
H30.40550.23080.15830.045*
C40.19270 (19)0.18552 (9)0.12043 (11)0.0440 (4)
H4A0.15070.23330.13360.053*
H4B0.13900.16800.06490.053*
C50.22581 (17)0.02033 (9)0.10128 (10)0.0393 (3)
C60.24558 (18)−0.05153 (9)0.22415 (11)0.0410 (4)
C70.2350 (2)−0.11139 (10)0.27874 (13)0.0528 (4)
H70.2003−0.15730.25670.063*
C80.2781 (2)−0.10037 (11)0.36793 (13)0.0558 (5)
H80.2723−0.13970.40630.067*
C90.3292 (2)−0.03231 (10)0.40053 (12)0.0517 (4)
H90.3571−0.02610.46050.062*
C100.33951 (19)0.02735 (9)0.34430 (10)0.0436 (4)
H100.37350.07330.36650.052*
C110.29901 (17)0.01766 (8)0.25571 (10)0.0377 (3)
C120.53834 (18)0.07288 (9)0.10482 (10)0.0386 (3)
H12A0.47760.06040.04920.046*
H12B0.62270.10440.09300.046*
C130.60428 (18)0.00205 (9)0.14878 (10)0.0431 (4)
H13A0.5209−0.03260.15300.052*
H13B0.6743−0.02060.11320.052*
C140.68899 (17)0.01682 (9)0.23853 (10)0.0417 (4)
C150.8018 (2)−0.03200 (11)0.27723 (13)0.0542 (4)
H150.8222−0.07510.24800.065*
C160.8835 (2)−0.01708 (13)0.35840 (14)0.0660 (6)
H160.9577−0.05050.38360.079*
C170.8563 (2)0.04692 (13)0.40262 (12)0.0637 (5)
H170.91360.05710.45670.076*
C180.7440 (2)0.09559 (11)0.36647 (11)0.0524 (4)
H180.72490.13850.39650.063*
C190.65839 (17)0.08082 (9)0.28461 (10)0.0401 (4)
C200.53440 (17)0.13366 (9)0.24958 (10)0.0382 (3)
C210.41452 (18)0.21033 (9)0.03005 (10)0.0406 (4)
C220.55816 (19)0.24838 (8)0.02709 (11)0.0427 (4)
C230.6600 (2)0.26977 (10)0.10265 (12)0.0518 (4)
H230.63290.26040.15770.062*
C240.7977 (2)0.30391 (12)0.09610 (16)0.0671 (6)
H240.86230.31790.14650.080*
C250.8418 (3)0.31796 (13)0.01394 (18)0.0758 (7)
H250.93610.34050.01000.091*
C260.7475 (3)0.29878 (12)−0.05961 (16)0.0697 (6)
H260.77790.3087−0.11370.084*
C270.6039 (2)0.26398 (9)−0.05623 (12)0.0514 (4)
C280.5078 (3)0.24300 (11)−0.13333 (12)0.0621 (5)
H280.53780.2531−0.18750.075*
C290.3724 (3)0.20835 (11)−0.12918 (12)0.0635 (5)
H290.30920.1952−0.18040.076*
C300.3263 (2)0.19202 (10)−0.04740 (12)0.0531 (4)
H300.23270.1680−0.04610.064*
C310.02001 (18)0.10912 (10)0.19308 (12)0.0496 (4)
H31A−0.04320.15200.19760.074*
H31B0.01680.07770.24300.074*
H31C−0.01800.08230.14070.074*
C320.1366 (3)−0.10906 (10)0.07871 (14)0.0646 (6)
H32A0.0785−0.08950.02630.097*
H32B0.0696−0.13750.11000.097*
H32C0.2176−0.14030.06370.097*
U11U22U33U12U13U23
O10.0545 (7)0.0563 (7)0.0389 (6)−0.0025 (6)0.0017 (5)−0.0018 (5)
O20.0589 (8)0.0525 (7)0.0462 (7)0.0012 (6)0.0059 (6)−0.0133 (5)
N10.0365 (7)0.0373 (7)0.0465 (7)0.0007 (5)0.0127 (6)0.0009 (6)
N20.0472 (8)0.0365 (7)0.0483 (8)−0.0041 (6)−0.0007 (6)−0.0035 (6)
C10.0357 (7)0.0356 (8)0.0349 (7)−0.0018 (6)0.0076 (6)−0.0006 (6)
C20.0347 (7)0.0349 (7)0.0336 (7)−0.0014 (6)0.0078 (6)0.0007 (6)
C30.0393 (8)0.0339 (7)0.0398 (8)−0.0011 (6)0.0074 (6)0.0011 (6)
C40.0404 (8)0.0389 (8)0.0540 (10)0.0030 (7)0.0109 (7)0.0065 (7)
C50.0349 (7)0.0417 (8)0.0414 (8)0.0003 (6)0.0055 (6)−0.0030 (6)
C60.0383 (8)0.0369 (8)0.0477 (9)0.0009 (6)0.0060 (7)0.0013 (7)
C70.0543 (10)0.0360 (9)0.0670 (12)−0.0017 (7)0.0053 (9)0.0053 (8)
C80.0585 (11)0.0490 (10)0.0606 (11)0.0035 (8)0.0110 (9)0.0193 (9)
C90.0549 (10)0.0589 (11)0.0424 (9)0.0032 (8)0.0101 (8)0.0100 (8)
C100.0478 (9)0.0441 (9)0.0407 (8)−0.0018 (7)0.0127 (7)−0.0006 (7)
C110.0358 (7)0.0373 (8)0.0412 (8)−0.0002 (6)0.0098 (6)0.0032 (6)
C120.0403 (8)0.0439 (8)0.0330 (7)0.0014 (7)0.0096 (6)−0.0012 (6)
C130.0420 (8)0.0433 (9)0.0455 (9)0.0052 (7)0.0112 (7)−0.0032 (7)
C140.0347 (7)0.0479 (9)0.0440 (8)−0.0020 (7)0.0103 (6)0.0086 (7)
C150.0466 (9)0.0540 (11)0.0623 (11)0.0049 (8)0.0088 (8)0.0130 (9)
C160.0513 (11)0.0806 (15)0.0640 (13)0.0110 (10)0.0009 (9)0.0251 (11)
C170.0533 (11)0.0942 (16)0.0406 (9)−0.0003 (10)−0.0035 (8)0.0144 (10)
C180.0491 (10)0.0690 (12)0.0391 (9)−0.0066 (9)0.0060 (7)0.0030 (8)
C190.0352 (8)0.0506 (9)0.0352 (8)−0.0050 (7)0.0076 (6)0.0051 (7)
C200.0379 (8)0.0431 (8)0.0351 (8)−0.0056 (6)0.0105 (6)−0.0010 (6)
C210.0448 (9)0.0344 (8)0.0432 (8)0.0011 (6)0.0084 (7)0.0069 (6)
C220.0469 (9)0.0325 (8)0.0506 (9)0.0018 (7)0.0134 (7)0.0079 (7)
C230.0502 (10)0.0502 (10)0.0562 (10)−0.0067 (8)0.0115 (8)0.0060 (8)
C240.0557 (12)0.0652 (13)0.0798 (14)−0.0152 (10)0.0076 (10)0.0036 (11)
C250.0618 (13)0.0721 (14)0.0978 (18)−0.0219 (11)0.0264 (13)0.0141 (13)
C260.0814 (15)0.0554 (12)0.0805 (15)−0.0124 (11)0.0400 (13)0.0132 (11)
C270.0641 (11)0.0369 (9)0.0573 (11)0.0010 (8)0.0227 (9)0.0107 (7)
C280.0898 (15)0.0540 (11)0.0460 (10)0.0008 (10)0.0212 (10)0.0144 (8)
C290.0851 (15)0.0614 (12)0.0419 (10)−0.0082 (11)0.0014 (9)0.0077 (9)
C300.0572 (11)0.0540 (10)0.0474 (10)−0.0074 (8)0.0049 (8)0.0083 (8)
C310.0378 (8)0.0542 (10)0.0597 (11)−0.0030 (7)0.0165 (8)0.0017 (8)
C320.0726 (13)0.0447 (10)0.0697 (13)−0.0067 (9)−0.0137 (10)−0.0104 (9)
O1—C51.2175 (19)C14—C151.393 (2)
O2—C201.2179 (19)C14—C191.402 (2)
N1—C41.456 (2)C15—C161.379 (3)
N1—C311.4626 (19)C15—H150.9300
N1—C11.4715 (19)C16—C171.379 (3)
N2—C51.362 (2)C16—H160.9300
N2—C61.401 (2)C17—C181.376 (3)
N2—C321.450 (2)C17—H170.9300
C1—C111.523 (2)C18—C191.401 (2)
C1—C51.561 (2)C18—H180.9300
C1—C21.585 (2)C19—C201.487 (2)
C2—C121.539 (2)C21—C301.369 (2)
C2—C201.544 (2)C21—C221.439 (2)
C2—C31.584 (2)C22—C231.418 (2)
C3—C211.519 (2)C22—C271.429 (2)
C3—C41.534 (2)C23—C241.370 (3)
C3—H30.9800C23—H230.9300
C4—H4A0.9700C24—C251.401 (3)
C4—H4B0.9700C24—H240.9300
C6—C71.381 (2)C25—C261.351 (3)
C6—C111.396 (2)C25—H250.9300
C7—C81.390 (3)C26—C271.413 (3)
C7—H70.9300C26—H260.9300
C8—C91.378 (3)C27—C281.409 (3)
C8—H80.9300C28—C291.349 (3)
C9—C101.394 (2)C28—H280.9300
C9—H90.9300C29—C301.411 (3)
C10—C111.375 (2)C29—H290.9300
C10—H100.9300C30—H300.9300
C12—C131.522 (2)C31—H31A0.9600
C12—H12A0.9700C31—H31B0.9600
C12—H12B0.9700C31—H31C0.9600
C13—C141.500 (2)C32—H32A0.9600
C13—H13A0.9700C32—H32B0.9600
C13—H13B0.9700C32—H32C0.9600
C4—N1—C31113.04 (13)C15—C14—C19118.54 (16)
C4—N1—C1106.63 (11)C15—C14—C13120.75 (16)
C31—N1—C1115.21 (13)C19—C14—C13120.70 (14)
C5—N2—C6111.54 (13)C16—C15—C14120.73 (19)
C5—N2—C32122.92 (15)C16—C15—H15119.6
C6—N2—C32125.49 (15)C14—C15—H15119.6
N1—C1—C11111.27 (12)C15—C16—C17120.67 (18)
N1—C1—C5111.46 (12)C15—C16—H16119.7
C11—C1—C5101.04 (12)C17—C16—H16119.7
N1—C1—C2101.98 (11)C18—C17—C16119.80 (18)
C11—C1—C2120.09 (12)C18—C17—H17120.1
C5—C1—C2111.26 (11)C16—C17—H17120.1
C12—C2—C20108.06 (12)C17—C18—C19120.30 (19)
C12—C2—C3114.61 (12)C17—C18—H18119.8
C20—C2—C3109.09 (12)C19—C18—H18119.8
C12—C2—C1113.80 (12)C18—C19—C14119.92 (16)
C20—C2—C1107.81 (11)C18—C19—C20118.39 (15)
C3—C2—C1103.18 (11)C14—C19—C20121.69 (14)
C21—C3—C4115.86 (13)O2—C20—C19120.29 (14)
C21—C3—C2115.60 (12)O2—C20—C2121.28 (14)
C4—C3—C2105.14 (12)C19—C20—C2118.42 (13)
C21—C3—H3106.5C30—C21—C22118.29 (15)
C4—C3—H3106.5C30—C21—C3122.29 (15)
C2—C3—H3106.5C22—C21—C3119.42 (14)
N1—C4—C3104.12 (12)C23—C22—C27117.62 (16)
N1—C4—H4A110.9C23—C22—C21123.62 (15)
C3—C4—H4A110.9C27—C22—C21118.73 (16)
N1—C4—H4B110.9C24—C23—C22121.23 (18)
C3—C4—H4B110.9C24—C23—H23119.4
H4A—C4—H4B109.0C22—C23—H23119.4
O1—C5—N2124.73 (15)C23—C24—C25120.4 (2)
O1—C5—C1126.79 (14)C23—C24—H24119.8
N2—C5—C1108.42 (13)C25—C24—H24119.8
C7—C6—C11122.27 (16)C26—C25—C24120.1 (2)
C7—C6—N2127.64 (15)C26—C25—H25119.9
C11—C6—N2110.07 (13)C24—C25—H25119.9
C6—C7—C8117.45 (16)C25—C26—C27121.5 (2)
C6—C7—H7121.3C25—C26—H26119.2
C8—C7—H7121.3C27—C26—H26119.2
C9—C8—C7121.21 (16)C28—C27—C26121.06 (18)
C9—C8—H8119.4C28—C27—C22119.87 (17)
C7—C8—H8119.4C26—C27—C22119.06 (19)
C8—C9—C10120.45 (17)C29—C28—C27120.49 (17)
C8—C9—H9119.8C29—C28—H28119.8
C10—C9—H9119.8C27—C28—H28119.8
C11—C10—C9119.44 (16)C28—C29—C30120.26 (19)
C11—C10—H10120.3C28—C29—H29119.9
C9—C10—H10120.3C30—C29—H29119.9
C10—C11—C6119.16 (15)C21—C30—C29122.34 (18)
C10—C11—C1131.76 (14)C21—C30—H30118.8
C6—C11—C1108.89 (13)C29—C30—H30118.8
C13—C12—C2112.84 (12)N1—C31—H31A109.5
C13—C12—H12A109.0N1—C31—H31B109.5
C2—C12—H12A109.0H31A—C31—H31B109.5
C13—C12—H12B109.0N1—C31—H31C109.5
C2—C12—H12B109.0H31A—C31—H31C109.5
H12A—C12—H12B107.8H31B—C31—H31C109.5
C14—C13—C12111.68 (13)N2—C32—H32A109.5
C14—C13—H13A109.3N2—C32—H32B109.5
C12—C13—H13A109.3H32A—C32—H32B109.5
C14—C13—H13B109.3N2—C32—H32C109.5
C12—C13—H13B109.3H32A—C32—H32C109.5
H13A—C13—H13B107.9H32B—C32—H32C109.5
C4—N1—C1—C11172.75 (12)C5—C1—C11—C6−1.96 (15)
C31—N1—C1—C11−60.95 (17)C2—C1—C11—C6−124.64 (14)
C4—N1—C1—C5−75.29 (15)C20—C2—C12—C1357.40 (16)
C31—N1—C1—C551.01 (17)C3—C2—C12—C13179.26 (12)
C4—N1—C1—C243.50 (14)C1—C2—C12—C13−62.30 (17)
C31—N1—C1—C2169.80 (12)C2—C12—C13—C14−54.08 (17)
N1—C1—C2—C12−151.75 (12)C12—C13—C14—C15−156.85 (15)
C11—C1—C2—C1284.77 (16)C12—C13—C14—C1921.9 (2)
C5—C1—C2—C12−32.81 (17)C19—C14—C15—C16−1.1 (3)
N1—C1—C2—C2088.40 (13)C13—C14—C15—C16177.67 (17)
C11—C1—C2—C20−35.07 (17)C14—C15—C16—C17−0.7 (3)
C5—C1—C2—C20−152.65 (12)C15—C16—C17—C181.6 (3)
N1—C1—C2—C3−26.95 (13)C16—C17—C18—C19−0.7 (3)
C11—C1—C2—C3−150.43 (13)C17—C18—C19—C14−1.1 (2)
C5—C1—C2—C391.99 (13)C17—C18—C19—C20177.82 (16)
C12—C2—C3—C21−1.88 (18)C15—C14—C19—C182.0 (2)
C20—C2—C3—C21119.41 (14)C13—C14—C19—C18−176.80 (14)
C1—C2—C3—C21−126.16 (13)C15—C14—C19—C20−176.92 (14)
C12—C2—C3—C4127.22 (14)C13—C14—C19—C204.3 (2)
C20—C2—C3—C4−111.49 (13)C18—C19—C20—O21.8 (2)
C1—C2—C3—C42.94 (15)C14—C19—C20—O2−179.27 (14)
C31—N1—C4—C3−169.85 (13)C18—C19—C20—C2−178.04 (13)
C1—N1—C4—C3−42.26 (16)C14—C19—C20—C20.9 (2)
C21—C3—C4—N1151.51 (13)C12—C2—C20—O2149.50 (14)
C2—C3—C4—N122.57 (16)C3—C2—C20—O224.30 (19)
C6—N2—C5—O1−178.51 (15)C1—C2—C20—O2−87.09 (17)
C32—N2—C5—O1−1.1 (3)C12—C2—C20—C19−30.67 (17)
C6—N2—C5—C1−1.40 (17)C3—C2—C20—C19−155.87 (13)
C32—N2—C5—C1176.01 (15)C1—C2—C20—C1992.74 (15)
N1—C1—C5—O160.76 (19)C4—C3—C21—C30−28.9 (2)
C11—C1—C5—O1179.05 (15)C2—C3—C21—C3094.74 (19)
C2—C1—C5—O1−52.3 (2)C4—C3—C21—C22152.08 (14)
N1—C1—C5—N2−116.28 (14)C2—C3—C21—C22−84.27 (18)
C11—C1—C5—N22.01 (15)C30—C21—C22—C23−179.50 (16)
C2—C1—C5—N2130.63 (13)C3—C21—C22—C23−0.4 (2)
C5—N2—C6—C7178.27 (17)C30—C21—C22—C27−1.3 (2)
C32—N2—C6—C71.0 (3)C3—C21—C22—C27177.77 (14)
C5—N2—C6—C110.08 (18)C27—C22—C23—C24−0.2 (3)
C32—N2—C6—C11−177.24 (16)C21—C22—C23—C24178.00 (18)
C11—C6—C7—C80.8 (3)C22—C23—C24—C25−0.6 (3)
N2—C6—C7—C8−177.22 (16)C23—C24—C25—C260.9 (4)
C6—C7—C8—C90.1 (3)C24—C25—C26—C27−0.4 (4)
C7—C8—C9—C10−0.3 (3)C25—C26—C27—C28−178.8 (2)
C8—C9—C10—C11−0.4 (3)C25—C26—C27—C22−0.4 (3)
C9—C10—C11—C61.2 (2)C23—C22—C27—C28179.18 (16)
C9—C10—C11—C1175.58 (15)C21—C22—C27—C280.9 (2)
C7—C6—C11—C10−1.4 (2)C23—C22—C27—C260.7 (3)
N2—C6—C11—C10176.88 (14)C21—C22—C27—C26−177.61 (16)
C7—C6—C11—C1−177.00 (15)C26—C27—C28—C29178.6 (2)
N2—C6—C11—C11.31 (17)C22—C27—C28—C290.1 (3)
N1—C1—C11—C10−58.3 (2)C27—C28—C29—C30−0.7 (3)
C5—C1—C11—C10−176.78 (16)C22—C21—C30—C290.8 (3)
C2—C1—C11—C1060.5 (2)C3—C21—C30—C29−178.26 (17)
N1—C1—C11—C6116.47 (14)C28—C29—C30—C210.2 (3)
D—H···AD—HH···AD···AD—H···A
C3—H3···O20.982.252.783 (2)113
C4—H4B···O10.972.493.045 (2)116
C12—H12A···O10.972.483.143 (2)126
C32—H32A···O10.962.522.852 (2)100
C13—H13B···O1i0.972.583.482 (2)156
C32—H32A···O1ii0.962.593.364 (2)138
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C12—H12A⋯O10.972.483.143 (2)126
C13—H13B⋯O1i0.972.583.482 (2)156
C32—H32A⋯O1ii0.962.593.364 (2)138

Symmetry codes: (i) ; (ii) .

  8 in total

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

4.  Structural determinants for high 5-HT(2A) receptor affinity of spiro[9,10-dihydroanthracene]-9,3(')-pyrrolidine (SpAMDA).

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Journal:  Bioorg Med Chem Lett       Date:  2004-05-03       Impact factor: 2.823

5.  Synthesis and anticonvulsant properties of new 1-(2-pyridinyl)- 3-substituted pyrrolidine-2,5-dione derivatives.

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