organic compounds
5,6-Dimethoxy-4′,5′-diphenylindane-2-spiro-3′-pyrrolidine-2′-spiro-3′′-indoline-1,2′′-dione
aInstitute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: hkfun@usm.my
In the title compound, C33H28N2O4, the central pyrrolidine ring adopts a half-chair conformation. Both the indolinone and indanone groups are twisted, with their five-membered rings adopting a half-chair and an respectively. The two benzene rings and the mean plane of the indolinone and indanone groups make dihedral angles of 71.98 (10), 84.32 (10), 86.26 (9) and 78.50 (9)°, respectively, with the central pyrrolidine ring. Intramolecular C—H⋯O hydrogen bonds stabilize the molecular conformation. In the crystal, pairs of intermolecular N—H⋯O hydrogen bonds link the molecules into centrosymmetric dimers. The dimers are interconnected into ribbons propagating along [110] via weak intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π and π–π [centroid–centroid distance = 3.6509 (11) Å] interactions are also observed.
Related literature
For general background to heterocycles, see: Kirsch et al. (2004); Shi et al. (2009); Nair et al. (2007); Nájera et al. (2005); Coldham et al. (2005). For general background to pyrrolidine derivatives, see: Daly et al. (1986). For the biological activity of isatin derivatives and spiropyrrolidinyloxindoles, see: Cui et al. (1996); Xue et al. (2000); Klumpp et al. (1998); Hilton et al. (2000). For ring conformations, see Cremer & Pople (1975). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536810035865/rz2484sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810035865/rz2484Isup2.hkl
A mixture of (E)-2-bezylylidene-5,6-dimethoxy-2,3-dihydro-1H-indene-1-one (0.001 mmol), isatin (0.001 mmol) and phenylglycine (0.002 mmol) was dissolved in methanol (10 ml) and refluxed for 4 h. After completion of the reaction as evident from TLC, the mixture was poured into water (50 ml). The precipitated solid was filtered, washed with water and recrystallized from a petroleum ether-ethyl acetate mixture (1:1 v/v) to give the title compound as yellow crystals.
The N-bound hydrogen atoms were located from the difference Fourier map and refined freely. All other hydrogen atoms were positioned geometrically and refined using a riding model, with C—H = 0.93–0.98 Å, and with Uiso(H) = 1.2 Ueq(C) or 1.5 Ueq(C) for methyl H atoms. A rotating-group model were applied for the methyl groups.
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound with atom labels and 50% probability ellipsoids for non-H atoms. | |
Fig. 2. The crystal packing of title compound, showing chains along the [110] direction. Intermolecular hydrogen bonds are shown as dashed lines. |
C33H28N2O4 | Z = 2 |
Mr = 516.57 | F(000) = 544 |
Triclinic, P1 | Dx = 1.358 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 9.2746 (12) Å | Cell parameters from 2918 reflections |
b = 10.6337 (15) Å | θ = 2.4–29.7° |
c = 14.4279 (19) Å | µ = 0.09 mm−1 |
α = 92.369 (3)° | T = 100 K |
β = 98.557 (3)° | Plate, yellow |
γ = 115.341 (2)° | 0.28 × 0.19 × 0.07 mm |
V = 1262.9 (3) Å3 |
Bruker APEXII DUO CCD area-detector diffractometer | 7399 independent reflections |
Radiation source: fine-focus sealed tube | 4778 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.054 |
ϕ and ω scans | θmax = 30.2°, θmin = 1.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −13→13 |
Tmin = 0.976, Tmax = 0.994 | k = −15→15 |
20001 measured reflections | l = −20→20 |
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)] = 0.056 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.159 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0759P)2 + 0.0467P] where P = (Fo2 + 2Fc2)/3 |
7399 reflections | (Δ/σ)max < 0.001 |
360 parameters | Δρmax = 0.41 e Å−3 |
0 restraints | Δρmin = −0.32 e Å−3 |
C33H28N2O4 | γ = 115.341 (2)° |
Mr = 516.57 | V = 1262.9 (3) Å3 |
Triclinic, P1 | Z = 2 |
a = 9.2746 (12) Å | Mo Kα radiation |
b = 10.6337 (15) Å | µ = 0.09 mm−1 |
c = 14.4279 (19) Å | T = 100 K |
α = 92.369 (3)° | 0.28 × 0.19 × 0.07 mm |
β = 98.557 (3)° |
Bruker APEXII DUO CCD area-detector diffractometer | 7399 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 4778 reflections with I > 2σ(I) |
Tmin = 0.976, Tmax = 0.994 | Rint = 0.054 |
20001 measured reflections |
R[F2 > 2σ(F2)] = 0.056 | 0 restraints |
wR(F2) = 0.159 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 0.41 e Å−3 |
7399 reflections | Δρmin = −0.32 e Å−3 |
360 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K. |
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 | ||
O1 | 0.38580 (14) | 0.30325 (11) | 0.12688 (8) | 0.0175 (3) | |
O2 | 0.63136 (15) | 0.17078 (11) | 0.45955 (9) | 0.0190 (3) | |
O3 | 0.36325 (15) | −0.30867 (11) | 0.04324 (9) | 0.0220 (3) | |
O4 | 0.13257 (16) | −0.24781 (12) | −0.02810 (9) | 0.0235 (3) | |
N1 | 0.47665 (17) | 0.35081 (13) | 0.37988 (10) | 0.0135 (3) | |
N2 | 0.38428 (18) | −0.00712 (13) | 0.38690 (10) | 0.0164 (3) | |
C1 | 0.4391 (2) | 0.22526 (15) | 0.16088 (12) | 0.0138 (3) | |
C2 | 0.4020 (2) | 0.08196 (15) | 0.12244 (12) | 0.0147 (3) | |
C3 | 0.2695 (2) | −0.01163 (16) | 0.05522 (12) | 0.0172 (4) | |
H3A | 0.1907 | 0.0138 | 0.0268 | 0.021* | |
C4 | 0.2594 (2) | −0.14310 (16) | 0.03240 (12) | 0.0178 (4) | |
C5 | 0.3844 (2) | −0.17795 (16) | 0.07342 (12) | 0.0170 (4) | |
C6 | 0.5147 (2) | −0.08336 (16) | 0.14044 (12) | 0.0172 (4) | |
H6A | 0.5966 | −0.1062 | 0.1672 | 0.021* | |
C7 | 0.5197 (2) | 0.04618 (15) | 0.16652 (12) | 0.0142 (3) | |
C8 | 0.6448 (2) | 0.16427 (15) | 0.23820 (12) | 0.0150 (3) | |
H8A | 0.7433 | 0.2149 | 0.2136 | 0.018* | |
H8B | 0.6715 | 0.1293 | 0.2961 | 0.018* | |
C9 | 0.5599 (2) | 0.25859 (15) | 0.25492 (11) | 0.0133 (3) | |
C10 | 0.66796 (19) | 0.41814 (14) | 0.28257 (11) | 0.0129 (3) | |
H10A | 0.6179 | 0.4660 | 0.2422 | 0.016* | |
C11 | 0.6481 (2) | 0.44920 (15) | 0.38374 (12) | 0.0136 (3) | |
H11A | 0.7192 | 0.4258 | 0.4297 | 0.016* | |
C12 | 0.44986 (19) | 0.21556 (15) | 0.33531 (11) | 0.0128 (3) | |
C13 | 0.2716 (2) | 0.11722 (15) | 0.30263 (11) | 0.0134 (3) | |
C14 | 0.1448 (2) | 0.14017 (17) | 0.25703 (13) | 0.0177 (4) | |
H14A | 0.1620 | 0.2282 | 0.2401 | 0.021* | |
C15 | −0.0105 (2) | 0.02774 (18) | 0.23695 (13) | 0.0225 (4) | |
H15A | −0.0973 | 0.0411 | 0.2060 | 0.027* | |
C16 | −0.0361 (2) | −0.10321 (18) | 0.26268 (14) | 0.0228 (4) | |
H16A | −0.1395 | −0.1772 | 0.2469 | 0.027* | |
C17 | 0.0892 (2) | −0.12627 (16) | 0.31155 (13) | 0.0200 (4) | |
H17A | 0.0716 | −0.2137 | 0.3300 | 0.024* | |
C18 | 0.2417 (2) | −0.01366 (16) | 0.33174 (12) | 0.0152 (3) | |
C19 | 0.5038 (2) | 0.12758 (15) | 0.40229 (12) | 0.0150 (3) | |
C20 | 0.8407 (2) | 0.47122 (15) | 0.26691 (12) | 0.0144 (3) | |
C21 | 0.8771 (2) | 0.51532 (16) | 0.17995 (12) | 0.0177 (4) | |
H21A | 0.7952 | 0.5145 | 0.1337 | 0.021* | |
C22 | 1.0331 (2) | 0.56052 (17) | 0.16100 (13) | 0.0215 (4) | |
H22A | 1.0546 | 0.5885 | 0.1023 | 0.026* | |
C23 | 1.1560 (2) | 0.56373 (19) | 0.22949 (15) | 0.0265 (4) | |
H23A | 1.2609 | 0.5954 | 0.2174 | 0.032* | |
C24 | 1.1231 (2) | 0.5198 (2) | 0.31617 (15) | 0.0302 (5) | |
H24A | 1.2057 | 0.5213 | 0.3621 | 0.036* | |
C25 | 0.9666 (2) | 0.47344 (19) | 0.33457 (14) | 0.0230 (4) | |
H25A | 0.9454 | 0.4434 | 0.3928 | 0.028* | |
C26 | 0.6764 (2) | 0.59922 (15) | 0.40689 (12) | 0.0141 (3) | |
C27 | 0.8097 (2) | 0.69237 (16) | 0.47249 (12) | 0.0175 (4) | |
H27A | 0.8812 | 0.6619 | 0.5047 | 0.021* | |
C28 | 0.8366 (2) | 0.83123 (16) | 0.49029 (13) | 0.0199 (4) | |
H28A | 0.9251 | 0.8926 | 0.5350 | 0.024* | |
C29 | 0.7325 (2) | 0.87811 (16) | 0.44184 (13) | 0.0209 (4) | |
H29A | 0.7525 | 0.9715 | 0.4526 | 0.025* | |
C30 | 0.5976 (2) | 0.78502 (17) | 0.37694 (13) | 0.0202 (4) | |
H30A | 0.5261 | 0.8157 | 0.3450 | 0.024* | |
C31 | 0.5697 (2) | 0.64619 (16) | 0.35990 (12) | 0.0166 (4) | |
H31A | 0.4791 | 0.5841 | 0.3168 | 0.020* | |
C32 | 0.4881 (2) | −0.34828 (18) | 0.07941 (14) | 0.0247 (4) | |
H32A | 0.4591 | −0.4421 | 0.0529 | 0.037* | |
H32B | 0.5002 | −0.3441 | 0.1469 | 0.037* | |
H32C | 0.5886 | −0.2853 | 0.0627 | 0.037* | |
C33 | −0.0201 (2) | −0.24280 (19) | −0.03764 (15) | 0.0283 (5) | |
H33A | −0.0999 | −0.3202 | −0.0815 | 0.042* | |
H33B | −0.0102 | −0.1565 | −0.0605 | 0.042* | |
H33C | −0.0531 | −0.2484 | 0.0226 | 0.042* | |
H1N1 | 0.444 (2) | 0.3484 (19) | 0.4383 (14) | 0.017 (5)* | |
H1N2 | 0.380 (3) | −0.073 (2) | 0.4293 (18) | 0.047 (7)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0181 (7) | 0.0174 (5) | 0.0193 (6) | 0.0094 (5) | 0.0047 (5) | 0.0057 (4) |
O2 | 0.0173 (7) | 0.0188 (5) | 0.0199 (6) | 0.0072 (5) | 0.0021 (5) | 0.0052 (5) |
O3 | 0.0247 (7) | 0.0154 (5) | 0.0263 (7) | 0.0094 (5) | 0.0056 (6) | −0.0030 (5) |
O4 | 0.0218 (7) | 0.0198 (6) | 0.0229 (7) | 0.0061 (5) | −0.0019 (6) | −0.0054 (5) |
N1 | 0.0127 (7) | 0.0118 (5) | 0.0167 (7) | 0.0046 (5) | 0.0074 (6) | 0.0016 (5) |
N2 | 0.0179 (8) | 0.0131 (6) | 0.0185 (7) | 0.0065 (5) | 0.0047 (6) | 0.0041 (5) |
C1 | 0.0124 (8) | 0.0148 (6) | 0.0152 (8) | 0.0056 (6) | 0.0059 (7) | 0.0043 (6) |
C2 | 0.0169 (9) | 0.0130 (6) | 0.0143 (8) | 0.0057 (6) | 0.0057 (7) | 0.0028 (6) |
C3 | 0.0189 (9) | 0.0161 (7) | 0.0157 (8) | 0.0067 (6) | 0.0039 (7) | 0.0023 (6) |
C4 | 0.0182 (9) | 0.0163 (7) | 0.0141 (8) | 0.0033 (6) | 0.0027 (7) | −0.0005 (6) |
C5 | 0.0205 (9) | 0.0140 (7) | 0.0171 (8) | 0.0070 (6) | 0.0079 (7) | 0.0009 (6) |
C6 | 0.0170 (9) | 0.0157 (7) | 0.0198 (9) | 0.0071 (6) | 0.0059 (7) | 0.0016 (6) |
C7 | 0.0149 (9) | 0.0141 (6) | 0.0146 (8) | 0.0056 (6) | 0.0075 (7) | 0.0027 (6) |
C8 | 0.0124 (8) | 0.0140 (6) | 0.0192 (8) | 0.0057 (6) | 0.0049 (7) | 0.0023 (6) |
C9 | 0.0133 (8) | 0.0115 (6) | 0.0145 (8) | 0.0047 (6) | 0.0027 (7) | 0.0022 (5) |
C10 | 0.0118 (8) | 0.0111 (6) | 0.0153 (8) | 0.0043 (6) | 0.0029 (7) | 0.0022 (5) |
C11 | 0.0116 (8) | 0.0121 (6) | 0.0159 (8) | 0.0044 (6) | 0.0019 (7) | 0.0018 (5) |
C12 | 0.0118 (8) | 0.0118 (6) | 0.0152 (8) | 0.0050 (6) | 0.0043 (7) | 0.0023 (5) |
C13 | 0.0123 (8) | 0.0130 (6) | 0.0138 (8) | 0.0041 (6) | 0.0046 (7) | 0.0011 (5) |
C14 | 0.0136 (9) | 0.0182 (7) | 0.0217 (9) | 0.0063 (6) | 0.0066 (7) | 0.0027 (6) |
C15 | 0.0159 (10) | 0.0246 (8) | 0.0242 (10) | 0.0069 (7) | 0.0023 (8) | 0.0014 (7) |
C16 | 0.0130 (9) | 0.0215 (8) | 0.0271 (10) | 0.0012 (6) | 0.0052 (8) | −0.0016 (7) |
C17 | 0.0215 (10) | 0.0133 (7) | 0.0222 (9) | 0.0034 (6) | 0.0087 (8) | 0.0011 (6) |
C18 | 0.0151 (9) | 0.0155 (7) | 0.0158 (8) | 0.0067 (6) | 0.0058 (7) | 0.0014 (6) |
C19 | 0.0170 (9) | 0.0133 (6) | 0.0168 (8) | 0.0073 (6) | 0.0065 (7) | 0.0034 (6) |
C20 | 0.0131 (8) | 0.0116 (6) | 0.0182 (8) | 0.0045 (6) | 0.0050 (7) | 0.0015 (6) |
C21 | 0.0167 (9) | 0.0184 (7) | 0.0172 (8) | 0.0070 (6) | 0.0034 (7) | 0.0030 (6) |
C22 | 0.0200 (10) | 0.0230 (8) | 0.0214 (9) | 0.0073 (7) | 0.0093 (8) | 0.0061 (7) |
C23 | 0.0175 (10) | 0.0316 (9) | 0.0305 (11) | 0.0087 (7) | 0.0103 (9) | 0.0082 (8) |
C24 | 0.0156 (10) | 0.0464 (11) | 0.0295 (11) | 0.0134 (8) | 0.0048 (9) | 0.0137 (9) |
C25 | 0.0162 (10) | 0.0321 (9) | 0.0238 (10) | 0.0113 (7) | 0.0078 (8) | 0.0125 (7) |
C26 | 0.0142 (9) | 0.0131 (6) | 0.0159 (8) | 0.0054 (6) | 0.0071 (7) | 0.0022 (6) |
C27 | 0.0159 (9) | 0.0161 (7) | 0.0189 (8) | 0.0051 (6) | 0.0048 (7) | 0.0028 (6) |
C28 | 0.0191 (10) | 0.0152 (7) | 0.0204 (9) | 0.0018 (6) | 0.0075 (7) | 0.0005 (6) |
C29 | 0.0273 (10) | 0.0137 (7) | 0.0237 (9) | 0.0075 (7) | 0.0150 (8) | 0.0031 (6) |
C30 | 0.0236 (10) | 0.0201 (7) | 0.0230 (9) | 0.0138 (7) | 0.0082 (8) | 0.0049 (6) |
C31 | 0.0160 (9) | 0.0150 (7) | 0.0188 (8) | 0.0064 (6) | 0.0049 (7) | 0.0010 (6) |
C32 | 0.0298 (11) | 0.0196 (8) | 0.0299 (10) | 0.0142 (7) | 0.0101 (9) | 0.0022 (7) |
C33 | 0.0230 (11) | 0.0236 (8) | 0.0314 (11) | 0.0083 (7) | −0.0082 (9) | −0.0013 (7) |
O1—C1 | 1.2189 (19) | C14—C15 | 1.400 (2) |
O2—C19 | 1.227 (2) | C14—H14A | 0.9300 |
O3—C5 | 1.3606 (18) | C15—C16 | 1.385 (3) |
O3—C32 | 1.430 (2) | C15—H15A | 0.9300 |
O4—C4 | 1.3704 (19) | C16—C17 | 1.387 (3) |
O4—C33 | 1.427 (2) | C16—H16A | 0.9300 |
N1—C12 | 1.4540 (19) | C17—C18 | 1.385 (2) |
N1—C11 | 1.473 (2) | C17—H17A | 0.9300 |
N1—H1N1 | 0.93 (2) | C20—C21 | 1.395 (2) |
N2—C19 | 1.3678 (19) | C20—C25 | 1.398 (2) |
N2—C18 | 1.411 (2) | C21—C22 | 1.390 (3) |
N2—H1N2 | 0.94 (3) | C21—H21A | 0.9300 |
C1—C2 | 1.474 (2) | C22—C23 | 1.381 (3) |
C1—C9 | 1.546 (2) | C22—H22A | 0.9300 |
C2—C7 | 1.382 (2) | C23—C24 | 1.384 (3) |
C2—C3 | 1.400 (2) | C23—H23A | 0.9300 |
C3—C4 | 1.383 (2) | C24—C25 | 1.390 (3) |
C3—H3A | 0.9300 | C24—H24A | 0.9300 |
C4—C5 | 1.419 (3) | C25—H25A | 0.9300 |
C5—C6 | 1.392 (2) | C26—C27 | 1.390 (2) |
C6—C7 | 1.392 (2) | C26—C31 | 1.393 (2) |
C6—H6A | 0.9300 | C27—C28 | 1.394 (2) |
C7—C8 | 1.510 (2) | C27—H27A | 0.9300 |
C8—C9 | 1.548 (2) | C28—C29 | 1.382 (3) |
C8—H8A | 0.9700 | C28—H28A | 0.9300 |
C8—H8B | 0.9700 | C29—C30 | 1.392 (2) |
C9—C10 | 1.5529 (19) | C29—H29A | 0.9300 |
C9—C12 | 1.610 (2) | C30—C31 | 1.390 (2) |
C10—C20 | 1.510 (2) | C30—H30A | 0.9300 |
C10—C11 | 1.538 (2) | C31—H31A | 0.9300 |
C10—H10A | 0.9800 | C32—H32A | 0.9600 |
C11—C26 | 1.515 (2) | C32—H32B | 0.9600 |
C11—H11A | 0.9800 | C32—H32C | 0.9600 |
C12—C13 | 1.515 (2) | C33—H33A | 0.9600 |
C12—C19 | 1.546 (2) | C33—H33B | 0.9600 |
C13—C14 | 1.380 (2) | C33—H33C | 0.9600 |
C13—C18 | 1.394 (2) | ||
C5—O3—C32 | 117.45 (13) | C15—C14—H14A | 120.8 |
C4—O4—C33 | 116.29 (14) | C16—C15—C14 | 120.72 (18) |
C12—N1—C11 | 107.96 (13) | C16—C15—H15A | 119.6 |
C12—N1—H1N1 | 114.7 (11) | C14—C15—H15A | 119.6 |
C11—N1—H1N1 | 113.2 (11) | C15—C16—C17 | 121.36 (16) |
C19—N2—C18 | 110.48 (13) | C15—C16—H16A | 119.3 |
C19—N2—H1N2 | 122.2 (14) | C17—C16—H16A | 119.3 |
C18—N2—H1N2 | 121.4 (14) | C18—C17—C16 | 117.18 (15) |
O1—C1—C2 | 127.74 (15) | C18—C17—H17A | 121.4 |
O1—C1—C9 | 125.95 (14) | C16—C17—H17A | 121.4 |
C2—C1—C9 | 106.31 (13) | C17—C18—C13 | 122.37 (16) |
C7—C2—C3 | 122.17 (14) | C17—C18—N2 | 127.89 (15) |
C7—C2—C1 | 108.94 (14) | C13—C18—N2 | 109.63 (14) |
C3—C2—C1 | 128.85 (16) | O2—C19—N2 | 125.76 (15) |
C4—C3—C2 | 117.96 (16) | O2—C19—C12 | 126.09 (14) |
C4—C3—H3A | 121.0 | N2—C19—C12 | 108.15 (14) |
C2—C3—H3A | 121.0 | C21—C20—C25 | 117.69 (16) |
O4—C4—C3 | 124.41 (16) | C21—C20—C10 | 119.25 (15) |
O4—C4—C5 | 115.38 (14) | C25—C20—C10 | 123.00 (16) |
C3—C4—C5 | 120.21 (15) | C22—C21—C20 | 121.40 (17) |
O3—C5—C6 | 124.50 (16) | C22—C21—H21A | 119.3 |
O3—C5—C4 | 114.75 (14) | C20—C21—H21A | 119.3 |
C6—C5—C4 | 120.74 (14) | C23—C22—C21 | 119.83 (18) |
C5—C6—C7 | 118.61 (16) | C23—C22—H22A | 120.1 |
C5—C6—H6A | 120.7 | C21—C22—H22A | 120.1 |
C7—C6—H6A | 120.7 | C22—C23—C24 | 119.96 (19) |
C2—C7—C6 | 120.14 (15) | C22—C23—H23A | 120.0 |
C2—C7—C8 | 111.20 (13) | C24—C23—H23A | 120.0 |
C6—C7—C8 | 128.63 (16) | C23—C24—C25 | 120.06 (19) |
C7—C8—C9 | 103.46 (13) | C23—C24—H24A | 120.0 |
C7—C8—H8A | 111.1 | C25—C24—H24A | 120.0 |
C9—C8—H8A | 111.1 | C24—C25—C20 | 121.04 (18) |
C7—C8—H8B | 111.1 | C24—C25—H25A | 119.5 |
C9—C8—H8B | 111.1 | C20—C25—H25A | 119.5 |
H8A—C8—H8B | 109.0 | C27—C26—C31 | 119.13 (14) |
C1—C9—C8 | 102.10 (13) | C27—C26—C11 | 121.23 (15) |
C1—C9—C10 | 112.78 (12) | C31—C26—C11 | 119.62 (14) |
C8—C9—C10 | 117.99 (14) | C26—C27—C28 | 120.29 (17) |
C1—C9—C12 | 105.46 (13) | C26—C27—H27A | 119.9 |
C8—C9—C12 | 114.60 (12) | C28—C27—H27A | 119.9 |
C10—C9—C12 | 103.53 (12) | C29—C28—C27 | 120.33 (16) |
C20—C10—C11 | 115.67 (13) | C29—C28—H28A | 119.8 |
C20—C10—C9 | 115.57 (13) | C27—C28—H28A | 119.8 |
C11—C10—C9 | 105.43 (12) | C28—C29—C30 | 119.71 (15) |
C20—C10—H10A | 106.5 | C28—C29—H29A | 120.1 |
C11—C10—H10A | 106.5 | C30—C29—H29A | 120.1 |
C9—C10—H10A | 106.5 | C31—C30—C29 | 119.96 (17) |
N1—C11—C26 | 111.09 (14) | C31—C30—H30A | 120.0 |
N1—C11—C10 | 100.59 (12) | C29—C30—H30A | 120.0 |
C26—C11—C10 | 112.87 (13) | C30—C31—C26 | 120.55 (16) |
N1—C11—H11A | 110.6 | C30—C31—H31A | 119.7 |
C26—C11—H11A | 110.6 | C26—C31—H31A | 119.7 |
C10—C11—H11A | 110.6 | O3—C32—H32A | 109.5 |
N1—C12—C13 | 112.92 (14) | O3—C32—H32B | 109.5 |
N1—C12—C19 | 114.28 (13) | H32A—C32—H32B | 109.5 |
C13—C12—C19 | 100.96 (12) | O3—C32—H32C | 109.5 |
N1—C12—C9 | 102.56 (12) | H32A—C32—H32C | 109.5 |
C13—C12—C9 | 116.62 (13) | H32B—C32—H32C | 109.5 |
C19—C12—C9 | 110.00 (13) | O4—C33—H33A | 109.5 |
C14—C13—C18 | 119.81 (15) | O4—C33—H33B | 109.5 |
C14—C13—C12 | 131.21 (14) | H33A—C33—H33B | 109.5 |
C18—C13—C12 | 108.86 (14) | O4—C33—H33C | 109.5 |
C13—C14—C15 | 118.43 (15) | H33A—C33—H33C | 109.5 |
C13—C14—H14A | 120.8 | H33B—C33—H33C | 109.5 |
O1—C1—C2—C7 | 162.86 (17) | C10—C9—C12—C13 | 137.35 (14) |
C9—C1—C2—C7 | −17.63 (18) | C1—C9—C12—C19 | 132.81 (13) |
O1—C1—C2—C3 | −19.4 (3) | C8—C9—C12—C19 | 21.35 (17) |
C9—C1—C2—C3 | 160.08 (17) | C10—C9—C12—C19 | −108.52 (13) |
C7—C2—C3—C4 | −0.8 (3) | N1—C12—C13—C14 | 42.9 (2) |
C1—C2—C3—C4 | −178.21 (17) | C19—C12—C13—C14 | 165.38 (18) |
C33—O4—C4—C3 | −25.8 (3) | C9—C12—C13—C14 | −75.5 (2) |
C33—O4—C4—C5 | 153.32 (16) | N1—C12—C13—C18 | −132.94 (15) |
C2—C3—C4—O4 | 176.31 (16) | C19—C12—C13—C18 | −10.49 (17) |
C2—C3—C4—C5 | −2.8 (3) | C9—C12—C13—C18 | 108.63 (16) |
C32—O3—C5—C6 | −3.4 (3) | C18—C13—C14—C15 | −3.3 (3) |
C32—O3—C5—C4 | 177.80 (15) | C12—C13—C14—C15 | −178.79 (17) |
O4—C4—C5—O3 | 2.8 (2) | C13—C14—C15—C16 | 0.3 (3) |
C3—C4—C5—O3 | −178.02 (16) | C14—C15—C16—C17 | 2.1 (3) |
O4—C4—C5—C6 | −176.01 (16) | C15—C16—C17—C18 | −1.3 (3) |
C3—C4—C5—C6 | 3.2 (3) | C16—C17—C18—C13 | −1.8 (3) |
O3—C5—C6—C7 | −178.60 (16) | C16—C17—C18—N2 | 174.15 (17) |
C4—C5—C6—C7 | 0.1 (3) | C14—C13—C18—C17 | 4.1 (3) |
C3—C2—C7—C6 | 4.0 (3) | C12—C13—C18—C17 | −179.45 (16) |
C1—C2—C7—C6 | −178.06 (15) | C14—C13—C18—N2 | −172.44 (16) |
C3—C2—C7—C8 | −177.88 (16) | C12—C13—C18—N2 | 3.98 (19) |
C1—C2—C7—C8 | 0.0 (2) | C19—N2—C18—C17 | −170.80 (18) |
C5—C6—C7—C2 | −3.6 (3) | C19—N2—C18—C13 | 5.5 (2) |
C5—C6—C7—C8 | 178.69 (16) | C18—N2—C19—O2 | 167.44 (17) |
C2—C7—C8—C9 | 17.35 (18) | C18—N2—C19—C12 | −12.43 (19) |
C6—C7—C8—C9 | −164.79 (17) | N1—C12—C19—O2 | −44.6 (2) |
O1—C1—C9—C8 | −153.34 (17) | C13—C12—C19—O2 | −166.11 (17) |
C2—C1—C9—C8 | 27.14 (16) | C9—C12—C19—O2 | 70.1 (2) |
O1—C1—C9—C10 | −25.7 (2) | N1—C12—C19—N2 | 135.26 (15) |
C2—C1—C9—C10 | 154.77 (14) | C13—C12—C19—N2 | 13.76 (17) |
O1—C1—C9—C12 | 86.59 (19) | C9—C12—C19—N2 | −110.03 (15) |
C2—C1—C9—C12 | −92.93 (14) | C11—C10—C20—C21 | −146.90 (14) |
C7—C8—C9—C1 | −26.21 (15) | C9—C10—C20—C21 | 89.24 (18) |
C7—C8—C9—C10 | −150.44 (14) | C11—C10—C20—C25 | 35.7 (2) |
C7—C8—C9—C12 | 87.24 (15) | C9—C10—C20—C25 | −88.16 (19) |
C1—C9—C10—C20 | −104.01 (17) | C25—C20—C21—C22 | −0.2 (2) |
C8—C9—C10—C20 | 14.7 (2) | C10—C20—C21—C22 | −177.77 (14) |
C12—C9—C10—C20 | 142.51 (14) | C20—C21—C22—C23 | −0.7 (3) |
C1—C9—C10—C11 | 126.92 (15) | C21—C22—C23—C24 | 1.1 (3) |
C8—C9—C10—C11 | −114.35 (16) | C22—C23—C24—C25 | −0.5 (3) |
C12—C9—C10—C11 | 13.44 (16) | C23—C24—C25—C20 | −0.5 (3) |
C12—N1—C11—C26 | 166.16 (13) | C21—C20—C25—C24 | 0.8 (3) |
C12—N1—C11—C10 | 46.44 (15) | C10—C20—C25—C24 | 178.29 (16) |
C20—C10—C11—N1 | −164.04 (12) | N1—C11—C26—C27 | 135.61 (16) |
C9—C10—C11—N1 | −35.03 (15) | C10—C11—C26—C27 | −112.28 (18) |
C20—C10—C11—C26 | 77.52 (17) | N1—C11—C26—C31 | −46.1 (2) |
C9—C10—C11—C26 | −153.47 (14) | C10—C11—C26—C31 | 66.0 (2) |
C11—N1—C12—C13 | −164.04 (13) | C31—C26—C27—C28 | −0.5 (3) |
C11—N1—C12—C19 | 81.30 (17) | C11—C26—C27—C28 | 177.73 (16) |
C11—N1—C12—C9 | −37.70 (16) | C26—C27—C28—C29 | −1.0 (3) |
C1—C9—C12—N1 | −105.23 (13) | C27—C28—C29—C30 | 1.8 (3) |
C8—C9—C12—N1 | 143.31 (13) | C28—C29—C30—C31 | −1.1 (3) |
C10—C9—C12—N1 | 13.44 (15) | C29—C30—C31—C26 | −0.4 (3) |
C1—C9—C12—C13 | 18.68 (17) | C27—C26—C31—C30 | 1.2 (3) |
C8—C9—C12—C13 | −92.78 (17) | C11—C26—C31—C30 | −177.07 (16) |
Cg2, Cg3 and Cg4 are the centroids of the C26–C31, C20–C25 and C13–C18 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···O2i | 0.94 (2) | 1.94 (2) | 2.8559 (19) | 164 (2) |
C8—H8B···O2 | 0.97 | 2.49 | 3.214 (2) | 131 |
C11—H11A···O2 | 0.98 | 2.55 | 3.148 (2) | 119 |
C22—H22A···O4ii | 0.93 | 2.59 | 3.471 (2) | 159 |
N1—H1N1···Cg2iii | 0.93 (2) | 2.55 (2) | 3.4518 (17) | 161.7 (16) |
C17—H17A···Cg3iv | 0.93 | 2.81 | 3.5609 (18) | 139 |
C28—H28A···Cg4iii | 0.93 | 2.92 | 3.501 (2) | 121 |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) x+1, y+1, z; (iii) −x+1, −y+1, −z+1; (iv) x−1, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | C33H28N2O4 |
Mr | 516.57 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 100 |
a, b, c (Å) | 9.2746 (12), 10.6337 (15), 14.4279 (19) |
α, β, γ (°) | 92.369 (3), 98.557 (3), 115.341 (2) |
V (Å3) | 1262.9 (3) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.28 × 0.19 × 0.07 |
Data collection | |
Diffractometer | Bruker APEXII DUO CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.976, 0.994 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 20001, 7399, 4778 |
Rint | 0.054 |
(sin θ/λ)max (Å−1) | 0.708 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.056, 0.159, 1.05 |
No. of reflections | 7399 |
No. of parameters | 360 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.41, −0.32 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
Cg2, Cg3 and Cg4 are the centroids of the C26–C31, C20–C25 and C13–C18 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···O2i | 0.94 (2) | 1.94 (2) | 2.8559 (19) | 164 (2) |
C8—H8B···O2 | 0.97 | 2.49 | 3.214 (2) | 131 |
C11—H11A···O2 | 0.98 | 2.55 | 3.148 (2) | 119 |
C22—H22A···O4ii | 0.93 | 2.59 | 3.471 (2) | 159 |
N1—H1N1···Cg2iii | 0.93 (2) | 2.55 (2) | 3.4518 (17) | 161.7 (16) |
C17—H17A···Cg3iv | 0.93 | 2.81 | 3.5609 (18) | 139 |
C28—H28A···Cg4iii | 0.93 | 2.92 | 3.501 (2) | 121 |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) x+1, y+1, z; (iii) −x+1, −y+1, −z+1; (iv) x−1, y−1, z. |
Acknowledgements
The authors wish to express their thanks to Universiti of Sains Malysia (USM) for providing research facilities. HKF thanks USM for the Research University Grant No. 1001/PFIZIK/811160 and CSY thanks USM for the award of a USM Fellowship.
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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.
The development of new efficient methods to synthesize nitrogen heterocycles with structural diversity is one of the major objectives of modern synthetic organic chemists (Kirsch et al., 2004). Multicomponent 1,3-dipolar cycloaddition of ylidic species, such as azomethine ylides with olefinic dipolarophiles, plays a key role in the construction of biologically active five-membered heterocycles (Shi et al., 2009; Nair et al., 2007; Nájera et al., 2005; Coldham et al., 2005). Highly substituted pyrrolidines have gained much prominence since they form the central skeleton of many natural products (Daly et al., 1986). Isatin and its derivatives possess interesting biological activities and are widely used as precursors for many natural products (Cui et al., 1996, Xue et al., 2000, Klumpp et al., 1998). Spiropyrrolidinyloxindoles are also found in a number of alkaloids of biological importance (Hilton et al., 2000). Due to the biological importance of the aforesaid heterocycles, the crystal structure determination of the title compound was carried out and the results are presented in this paper.
The molecular structure of the title compound is shown in Fig. 1. The central pyrrolidine ring (N1/C12/C9–C11) adopts a half-chair conformation (twisted on the N1–C11 bond), with puckering parameters Q = 0.4196 (18) Å and ϕ = 198.1 (2)° (Cremer & Pople, 1975). Both indolinone and indanone groups are twisted with their five-membered rings adopting a half chair (twisted on the C12–C19 bond) and an envelope (flap on the C9 atom) conformation respectively. The puckering parameters of these two rings are Q = 0.1316 (18) Å, ϕ = 127.6 (8)° and Q = 0.2814 (19) Å, ϕ = 323.9 (4)°. The two benzene rings (C20–C25 and C26–C31) and the mean plane of indolinone and indanone groups make dihedral angles of 71.98 (10), 84.32 (10), 86.26 (9) and 78.50 (9)°, respectively, with the central pyrrolidine ring. Intramolecular C8—H8B···O2 and C11—H11A···O2 hydrogen bonds (Table 1) stabilize the molecular structure. In the crystal structure, intermolecular N2—H1N2···O2 hydrogen bonds (Table 1) link the molecules into centrosymmetric dimers (Fig. 2). These dimers are interconnected into ribbons propagating along the [110] direction via weak intermolecular C22—H22A···O4 hydrogen bonds (Fig. 2, Table 1). Weak intermolecular C—H···π (Table 1) and π–π interactions are also observed (Cg1···Cg1v = 3.6509 (11) Å; (v) = 1-x, -y, -z. Cg1 is centroid of benzene ring C2–C7).