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1.  Crystal structure of trans-aqua­(perchlorato-κO)bis­(propane-1,3-di­amine-κ2 N,N′)copper(II) perchlorate 
In the title compound, the CuII atom has a distorted octa­hedral coordination sphere coordinated by the N atoms of two propane-1,3-di­amine ligands in the equatorial plane. The axial positions are occupied by a water O atom and an O atom of a disordered perchlorate anion [occupancy ratio 0.631 (9):369 (9)].
In the title compound, [Cu(ClO4)(C3H10N2)2(H2O)]ClO4, the CuII atom has a distorted octa­hedral coordination sphere and is coordinated by the N atoms of two propane-1,3-di­amine ligands in the equatorial plane. The axial positions are occupied by a water O atom and an O atom of a disordered perchlorate anion [occupancy ratio 0.631 (9):0.369 (9)]. In the crystal, the various components are linked via O—H⋯O, N—H⋯O and C—H⋯O hydrogen bonds, forming sheets lying parallel to (001).
doi:10.1107/S1600536814023496
PMCID: PMC4257260  PMID: 25484768
crystal structure; propane-1,3-di­amine; copper(II) complex
2.  Crystal structure of (2E)-N-methyl-2-(2-oxo-1,2-di­hydroacenaphthylen-1-ylidene)hydrazinecarbo­thioamide 
In the title compound, the acenapthylene ring system and the hydrazinecarbo­thio­amide unit (=N—NH—C=S—NH–) are essentially coplanar, making a dihedral angle of 1.59 (9)°. The mol­ecular conformation is stabilized by two weak intra­molecular hydrogen bonds (N—H⋯O and N—H⋯N), which generate S(6) and S(5) ring motifs.
In the title compound, C14H11N3OS, the ace­naphthyl­ene ring system and hydrazinecarbo­thio­amide unit (=N—NH—C=S—NH–) are essentially coplanar [with maximum deviations from their mean planes of −0.009 (2) and 0.033 (2) Å, respectively], and make a dihedral angle of 1.59 (9)°. The mol­ecular conformation is stabilized by two weak intra­molecular hydrogen bonds (N—H⋯O and N—H⋯N), which generate S(6) and S(5) ring motifs. In the crystal, mol­ecules are linked by N—H⋯S hydrogen bonds, forming chains along [010]. The chains are linked via pairs of C—H⋯O hydrogen bonds, enclosing R 2 2(10) ring motifs, and C—H⋯π inter­actions, forming a three-dimensional framework. The absolute structure of the title compound was determined by resonant scattering.
doi:10.1107/S1600536814023216
PMCID: PMC4257277  PMID: 25484761
crystal structure; ace­naphthyl­ene; hydrazinecarbo­thio­amide; thio­semicarbazones; hydrogen bonding; C—H⋯π inter­actions
3.  Crystal structure of (2E)-N-methyl-2-[(4-oxo-4H-chromen-3-yl)methyl­idene]hydrazine­carbo­thio­amide 
In the title compound, C12H11N3O2S, the dihedral angle between the 4H-chromen-4-one ring system and the –CH=N—NH—CS—NH– unit is 6.22 (1)°. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds generate R 2 2(14) loops. The dimers are reinforced by a pair of C—H⋯O inter­actions, which generate R 2 2(10) loops.
doi:10.1107/S1600536814021667
PMCID: PMC4257262  PMID: 25484795
crystal structure; hydrazinecarbo­thio­amide; 4H-chromen-4-one; biological properties; hydrogen bonding
4.  Crystal structures of methyl 3-phenyl-4,5-di­hydro-1H,3H-benzo[4,5]imidazo[2,1-c][1,4]oxazepine-4-carboxyl­ate and methyl 1-methyl-3-phenyl-4,5-di­hydro-1H,3H-benzo[4,5]imidazo[2,1-c][1,4]oxazepine-4-carboxyl­ate 
In two benzo[4,5]imidazo[2,1-c][1,4]oxazepine-4-carboxyl­ates, the seven-membered oxazepane rings both have a twist-chair conformation. The dihedral angle between the phenyl ring and the benzimidazole ring system is significantly smaller in one of the compounds, viz. 73.42 (10) compared to 83.07 (17)°.
The title compounds, C19H18N2O3, (I), and C20H20N2O3, (II), differ only by a methyl substituent on the seven-membered oxazepine ring in (II). In both compounds, these rings have a twist-chair conformation. The phenyl ring makes a dihedral angle of 73.42 (10)° with the benzimidazole ring system mean plane (r.m.s. deviation = 0.015 Å) in (I) and 83.07 (7)° in (II) (r.m.s. deviation = 0.026 Å). The methyl carboxyl­ate groups are planar to within 0.031 (2) in (I) and 0.003 (2) Å in (II). They are inclined to the phenyl and benzimidazole ring system by 33.78 (16) and 87.56 (14)°, respectively, in (I) and by 53.04 (12) and 60.22 (11)°, respectively, in (II). In the crystal of (I), mol­ecules stack in a herringbone fashion and are linked by C—H⋯O hydrogen bonds, forming chains along [100]. In the crystal of (II), there are no significant inter­molecular inter­actions present.
doi:10.1107/S1600536814021655
PMCID: PMC4257324  PMID: 25484732
crystal structure; oxazepine; benzimidazole; angiogenesis; natural products.
5.  Bis(isoquinolin-2-ium) tetra­chlorido­zincate dihydrate 
In the title compound, (C9H8N)2[ZnCl4]·2H2O, the tetra­chlorido­zincate ion is located on a twofold rotation axis with the Zn atom on a special position. The crystal packing is stabilized by N—H⋯O and O—H⋯Cl inter­actions.
doi:10.1107/S1600536814015682
PMCID: PMC4158490  PMID: 25249884
crystal structure
6.  Crystal structures of ethyl (2S*,2′R*)-1′-methyl-2′′,3-dioxo-2,3-di­hydro­dispiro­[1-benzo­thio­phene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxyl­ate and ethyl (2S*,2′R*)-5′′-chloro-1′-methyl-2′′,3-dioxo-2,3-di­hydro­dispiro­[1-benzo­thio­phene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxyl­ate 
The title compounds, (I) and (II), are di­spiro-indole-pyrrolidine-benzo­thio­phene derivatives, with (II) having a chlorine substituent on the oxo­indole unit. As a result, the conformation of the two mol­ecules differs in the angle of inclination of the indole moiety with respect to the benzo­thio­phene ring system, with a dihedral angle of 71.59 (5) in (I) and 82.27 (7)° in (II).
In the title compounds, C22H20N2O4S, (I), and C22H19ClN2O4S, (II), the pyrrolidine rings have twist conformations on the spiro–spiro C—C bonds. In (I), the five-membered ring of the oxindole moiety has an envelope conformation with the spiro C atom as the flap, while in (II) this ring is flat (r.m.s. deviation = 0.042 Å). The mean planes of the pyrrolidine rings are inclined to the mean planes of the indole units [r.m.s deviations = 0.073 and 0.069 Å for (I) and (II), respectively] and the benzo­thio­phene ring systems (r.m.s. deviations = 0.019 and 0.034 Å for (I) and (II), respectively) by 79.57 (8) and 88.61 (7)° for (I), and by 81.99 (10) and 88.79 (10)° for (II). In both compounds, the eth­oxy­carbonyl group occupies an equatorial position with an extended conformation. The overall conformation of the two mol­ecules differs in the angle of inclination of the indole unit with respect to the benzo­thio­phene ring system, with a dihedral angle between the planes of 71.59 (5) in (I) and 82.27 (7)° in (II). In the crystal of (I), mol­ecules are linked via pairs of N—H⋯O hydrogen bonds, forming inversion dimers enclosing R 2 2(14) loops. The dimers are linked via C—H⋯O and bifurcated C—H⋯O(O) hydrogen bonds, forming sheets lying parallel to (100). In the crystal of (II), mol­ecules are again linked via pairs of N—H⋯O hydrogen bonds, forming inversion dimers but enclosing smaller R 2 2(8) loops. Here, the dimers are linked by C—H⋯O hydrogen bonds, forming ribbons propagating along [010].
doi:10.1107/S1600536814015426
PMCID: PMC4158536  PMID: 25249864
di­spiro; pyrrolidine-indole; benzo­thio­phene; crystal structure
7.  catena-Poly[[[bis­(1H-imidazole-κN 3)zinc(II)]-μ2-imidazol-1-ido-κ2 N:N′] nitrate] 
The title compound, {[Zn(C3H3N2)(C3H4N2)2]NO3}n, is a one-dimensional coordination polymer along [01-1] with the ZnII atom coordinating to four imidazole/imidazolide rings. The ZnII atom has a regular tetra­hedral geometry with the planes of the two monodentate imidazole rings inclined to one another by 87.94 (17)°, while the planes of the bridging imidazolide rings are inclined to one another by 39.06 (17)°. In the crystal, the chains are linked via bifurcated N—H⋯(O,O) hydrogen bonds, forming sheets parallel to (001). These two-dimensional networks are linked via C—H⋯O hydrogen bonds and a C—H⋯π inter­action, forming a three-dimensional structure.
doi:10.1107/S1600536814015232
PMCID: PMC4158546  PMID: 25249881
crystal structure
8.  Isopropyl 1-benzoyl-4-benzo­yloxy-2,6-di­phenyl-1,2,3,6-tetrahydropyridine-3-carboxyl­ate 
In the title compound, C35H31NO5, the piperidine ring has an envelope conformation, with the phenyl-substituted C atom adjacent to the methyl­ene C atom as the flap. This flap atom deviates by 0.633 (2) Å from the mean plane of the other five essentially coplanar atoms in the ring (r.m.s. deviation = 0.044 Å). Intra­molecular C—H⋯O hydrogen bonds form S(7) and S(9) ring motifs. In the crystal, mol­ecules are linked by pairs of C—H⋯O hydrogen bonds, forming inversion dimers with R 2 2(16) loops.
doi:10.1107/S1600536814015244
PMCID: PMC4158511  PMID: 25249905
crystal structure
9.  Bis(1,10-phenanthrolin-1-ium) tetra­chlorido­zincate monohydrate 
In the crystal structure of the title compound, (C12H9N2)2[ZnCl4]·H2O, the two independent 1,10-phenanthrolinium cations are bridged by the water mol­ecule and the tetrahedral tetrachloridozincate anion via N—H⋯O, O—H⋯Cl and N—H⋯Cl hydrogen bonds, forming chains along [100]. The chains are linked via C—H⋯Cl hydrogen bonds and a number of π–π inter­actions [centroid–centroid distances vary from 3.5594 (14) to 3.7057 (13) Å], forming a three-dimensional network. In each 1,10-phenanthrolinium cation, there is a short N—H⋯N inter­action.
doi:10.1107/S1600536814000208
PMCID: PMC3998259  PMID: 24764820
10.  (4S)-3-Methyl-5,6,7,8-tetra­hydro-4H-spiro­[[1,2]oxazolo[5,4-b]quinoline-4,3′-indole]-2′,5-dione 
In the title compound, C18H15N3O3, the dihedral angle between the mean planes of the quinoline and indole ring systems [r.m.s. deviations = 0.189 (2) and 0.027 (2) Å, respectively] is 88.65 (5)°. The cyclo­hexene ring of the quinoline ring system adopts an envelope conformation with the central –CH2– C atom as the flap. In the crystal, mol­ecules are linked by two pairs of N—H⋯O hydrogen bonds, forming inversion dimers, and enclosing R 2 2(14) ring motifs. This arrangement results in the formation of chains propagating along [100].
doi:10.1107/S1600536814000130
PMCID: PMC3998324  PMID: 24764885
11.  (4S)-5′-Chloro-3,7,7-trimethyl-5,6,7,8-tetra­hydro-4H-spiro­[1,2-oxazolo[5,4-b]quinoline-4,3′-indole]-2′,5-dione 
In the title compound, C20H18ClN3O3, the five- and six-membered heterocycles fused through a spiro C atom are inclined to each other at an angle of 87.4 (1)°. In the tricyclic ring system, the cyclo­hexene ring adopts an envelope conformation with the spiro atom as the flap. In the crystal, two sets of N—H⋯O hydrogen bonds link the mol­ecules into columns containing centrosymmetric R 2 2(7) ring motifs and propagating along the b-axis direction.
doi:10.1107/S1600536814000191
PMCID: PMC3998327  PMID: 24764888
12.  Di­aqua­dichlorido­bis­(pyridine-κN)cobalt(II) 
The title mol­ecule, [CoCl2(C5H5N)2(H2O)2], has -1 symmetry with the CoII ion situated on an inversion centre. The cation has a distorted octa­hedral coordination environment and is surrounded by two N and two Cl atoms in the equatorial plane, while the coordinating water O atoms occupy the axial positions. The crystal exhibits nonmerohedral twinning with two domain states, the volume fractions of which were refined to 0.883 (2) and 0.117 (3). The crystal packing is stabilized by O—H⋯Cl hydrogen-bond inter­actions, forming two-dimensional networks lying parallel to (001). The crystal packing also features π–π inter­actions between the pyridine rings, with centroid–centroid separations of 3.493 (3) and 3.545 (3) Å.
doi:10.1107/S1600536813022484
PMCID: PMC3884431  PMID: 24427001
13.  cis-Di­aqua­tetra­kis­(1-butyl-1H-imidazole-κN 3)nickel(II) dichloride 
In the title compound, [Ni(C7H12N2)4(H2O)2]Cl2, the nickel(II) ion has a distorted octa­hedral coordination environment. It is surrounded by three N atoms and one O atom occupying the equatorial plane, and one N and one O atom in the axial positions. The imidazole ring systems are inclined to one another with dihedral angles varying between 38.3 (4) and 74.1 (4)°. In the crystal, mol­ecules are linked via O—H⋯Cl hydrogen bonds involving one Cl− anion and the water mol­ecule in the equatorial plane, forming an inversion dimer-like arrangement. The water mol­ecule in the axial position is hydrogen-bonded to both Cl− anions. There are also a number of C—H⋯Cl hydrogen bonds present, forming a three-dimensional structure. All four alkyl chains are disordered over two positions with refined occupancy ratios of 0.395 (15):0.605 (15), 0.658 (14):0.342 (14), 0.332 (11):0.668 (11) and 0.622 (12):0.378 (12).
doi:10.1107/S1600536813022496
PMCID: PMC3884482  PMID: 24426994
14.  trans-Diamminedichloridobis(1H-imidazole-κN 3)nickel(II) 
The whole mol­ecule of the title compound, [NiCl2(C3H4N2)2(NH3)2], is generated by inversion symmetry. The NiII ion, which is located on an inversion center, has a distorted octa­hedral coordination environment and is surrounded by two ammine N atoms and two Cl atoms in the equatorial plane, with two N atoms of two imidazole groups occupying the axial positions. The imidazole ring makes a dihedral angle of 81.78 (18)° with the Ni/N/Cl equatorial plane. In the crystal, mol­ecules are linked via N—H⋯Cl hydrogen bonds and C—H⋯π inter­actions, forming a three-dimensional network.
doi:10.1107/S1600536813016747
PMCID: PMC3772436  PMID: 24046579
15.  cis-Bromido(methyl­amine)­bis­(propane-1,3-di­amine)­cobalt(III) dibromide 
In the title compound, [CoBr(CH5N)(C3H10N2)2]Br2, the cobaltIII ion has a distorted octa­hedral coordination environment and is surrounded by four N atoms in the equatorial plane, with an additional N atom and the Br atom occupying the axial positions. In the crystal, the complex cation and the two counter anions are linked via N—H⋯Br and C—H⋯Br hydrogen bonds, forming a three-dimensional network.
doi:10.1107/S160053681301516X
PMCID: PMC3772414  PMID: 24046557
16.  Ethyl 8′′-chloro-1′-methyl-2,12′′-dioxo-12′′H-di­spiro­[indoline-3,2′-pyrrolidine- 3′,6′′-indolo[2,1-b]quinazoline]-4′-carboxyl­ate 
In the title compound, C29H23ClN4O4, the quinazoline-indole system and the indolin-2-one system are each essentially planar, with maximum deviations from their mean planes of 0.150 (2) and 0.072 (2) Å, respectively. The central pyrrolidine ring adopts a twisted conformation on the C—C bond involving the spiro C atoms. Its mean plane forms dihedral angles of 83.37 (9) and 86.56 (8)°, respectively, with the indole rings of the indolin-2-one and quinazoline-indole systems. In the crystal, mol­ecules are linked via pairs of N—H⋯O hydrogen bonds, forming inversion dimers. The dimers are linked via C—H⋯O hydrogen bonds, forming chains propagating along [001].
doi:10.1107/S1600536813015146
PMCID: PMC3772491  PMID: 24046634
17.  Ethyl 1′′-benzyl-2′′-oxo-2′,3′,5′,6′,7′,7a’-hexa­hydro-1′H-di­spiro­[indeno­[1,2-b]quinoxaline-11,2′-pyrrolizine-3′,3′′-indoline]-1′-carboxyl­ate monohydrate 
In the title compound, C38H32N4O3·H2O, the quinoxaline–indene and pyrrolizine systems are essentially planar, with maximum deviations from their mean planes of 0.162 and 0.563 Å, respectively. The pyrrolizine ring forms dihedral angles of 88.53 (5) and 89.95 (8)° with the quinoxaline–indene system and the indoline ring, respectively. The central pyrrolidine ring has an envelope conformation with the C atom bearing the quinoxaline-indene system as the flap. The pyrrolidine ring of the indole system adopts an envelope conformation with the C atom bonded to the pyrrolizine ring N atom as the flap. The five-membered ring attached to the central pyrolidine ring adopts a twisted conformation. In the crystal, O—H⋯N and O—H⋯O hydrogen bonds between water mol­ecules and pyrrolizine N and carbonyl O atoms together with C—H⋯O inter­actions result in chains along [100].
doi:10.1107/S1600536813011537
PMCID: PMC3684937  PMID: 23795039
18.  Methyl 2-(5-chloro-1-methyl-2-oxo-2,3-di­hydro-1H-indol-3-ylidene)acetate 
The title compound, C12H10ClNO3, the indoline ring system is essentially planar, with a maximum deviation of 0.009 Å for the N atom. The indoline ring and acetate group are essentially coplanar, with a maximum deviation of 0.086 Å for the O atom. The mean plane through the methoxy­carbonyl­methyl group forms a dihedral angle of 3.68 (5)° with the plane of the indoline ring system. The mol­ecular structure is stabilized by an intra­molecular C—H⋯O hydrogen-bond inter­action. In the crystal, π–π stacking inter­actions [centroid–centroid distance = 3.7677 (8) Å] occur between benzene rings, forming a chain running along the c-axis direction.
doi:10.1107/S1600536813011768
PMCID: PMC3684938  PMID: 23795040
19.  6′-(1,3-Diphenyl-1H-pyrazol-4-yl)-7′-(1H-indol-3-ylcarbon­yl)-2-oxo-1-(prop-2-en-1-yl)-5′,6′,7′,7a’-tetra­hydro-1′H-spiro­[indoline-3,5′-pyrrolo­[1,2-c][1,3]thia­zole]-7′-carbo­nitrile 
In the title compound, C41H32N6O2S, the pyrrolo­thia­zole ring system is folded about the bridging N—C bond. The thia­zolidine and pyrrolidine rings adopt envelope (with the fused C atom as the flap) and twisted conformations, respectively. The two phenyl rings attached to the pyrazole ring are twisted from the plane of the latter by 6.8 (1) and 52.8 (1)°. The allyl group is disordered over two conformations in a 0.805 (6):0.195 (6) ratio. In the crystal, pairs of N—H⋯O hydrogen bonds link the mol­ecules into centrosymmetric dimers.
doi:10.1107/S1600536813011513
PMCID: PMC3684939  PMID: 23795041
20.  Ethyl 1′′-benzyl-1′-methyl-2′′-oxodi­spiro­[indeno­[1,2-b]quinoxaline-11,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxyl­ate 
In the title compound, C36H30N4O3, the quinoxaline–indene system is roughly planar, with a maximum deviation from the mean plane of 0.218 Å for the C atom shared with the central pyrrolidine ring. This latter ring forms dihedral angles of 84.54 (7) and 83.91 (8)° with the quinoxaline–indene system and the indole ring, respectively. The central pyrrolidine ring has an envelope conformation with the N atom as the flap, while the pyrrolidine and five-membered rings of the indole group adopt twisted conformation and envelope (with the C atom bearing the quinoxaline–indene system as the flap) conformations, respectively. In the crystal, mol­ecules are linked via weak C—H⋯N hydrogen bonds, forming a chain running along [100].
doi:10.1107/S1600536813011525
PMCID: PMC3684912  PMID: 23795014
21.  Methyl (3S,10b’S)-5-chloro-9′-fluoro-1-methyl-2-oxo-5′-phenyl-10b’H-spiro­[indoline-3,1′-pyrazolo­[3,2-a]iso­quinoline]-2′-carboxyl­ate 
In the title compound, C27H19ClFN3O3, the pyrazole ring has a twist conformation and the six-membered ring to which it is fused has a screw-boat conformation. The mean plane of the pyrazole ring is inclined to the 2-methyl­indoline ring by 85.03 (9) and by 28.17 (8)° to the mean plane of the iso­quinoline ring system. In the crystal, mol­ecules are linked by pairs of C—H⋯F hydrogen bonds, forming inversion dimers. These dimers are linked via C—H⋯O hydrogen bonds, forming a two-dimensional network lying parallel to (10-1).
doi:10.1107/S1600536813011549
PMCID: PMC3684913  PMID: 23795015
22.  Methyl 5′′-chloro-1′,1′′-dimethyl-2,2′′-dioxodi­spiro­[indoline-3,2′-pyrrolidine-3′,3′′-indoline]-4′-carboxyl­ate 
In the title compound, C22H20ClN3O4, the central pyrrolidine ring adopts an envelope conformation on the N atom. The indolinone systems are individually roughly planar, with maximum deviations from their mean planes of 0.130 Å for the spiro C atom of the indolinone unit and 0.172 Å for the carbonyl C atom of the 5-chloro-1-methyl­indolinone unit. They make dihedral angles of 77.7 (8) and 86.1 (8)° with the mean plane through the central pyrrolidine ring. In the crystal, mol­ecules are linked by N—H⋯O hydrogen bonds supported by C—H⋯O contacts into chains along the ab diagonal. The structure also features C—H⋯O hydrogen bonds, forming R 2 2(8) and R 2 2(16) rings and generating a three-dimensional array.
doi:10.1107/S1600536813011501
PMCID: PMC3684914  PMID: 23795016
23.  N-[(1E)-5-(3-Chloro­phen­yl)-3-methyl­cyclo­hex-2-en-1-yl­idene]hydroxyl­amine 
The whole of the title mol­ecule, C13H14ClNO, is disordered over two sets of sites with a refined occupancy ratio of 0.560 (6):0.440 (6). The oxime group having a C=N double bond adopts an E conformation. The dihedral angles between the rings (all atoms) are 89.5 (5) (major componenent) and 88.0 (6)° (minor component).
doi:10.1107/S1600536813004698
PMCID: PMC3588505  PMID: 23476617
24.  (3E)-11,16-Dioxatricyclo­[15.4.0.05,10]henicosa-1(21),3,5,7,9,17,19-heptaen-2-one 
The title compound, C19H18O3, crystallizes with three mol­ecules (A, B and C) in the asymmetric unit. The carbonyl O atom shows positional disorder over two sites in mol­ecules A and B; the site-occupancy ratios are 0.76 (3):0.24 (3) and 0.86 (3):0.14 (3), respectively. The ethyl­ene fragments in each mol­ecule have an E conformation, while the C—O—C—C torsion angles indicate near planarity. The dihedral angles formed by the aromatic rings are 20.0 (1), 23.7 (1) and 16.1 (1)° for mol­ecules A, B and C, respectively. Intra­molecular C—H⋯O hydrogen bonds occur in each mol­ecule.
doi:10.1107/S1600536813000299
PMCID: PMC3588484  PMID: 23476611
25.  A diastereomer of methyl (1R,3′S)-1′,1′′-dimethyl-2,2′′-dioxo-2H-dispiro­[ace­naphthyl­ene-1,2′-pyrrolidine-3′,3′′-indoline]-4′-carboxyl­ate 
In the title compound, C26H22N2O4, the central pyrrolidine ring adopts a twist conformation and the cyclo­pentane ring of the dihydro­acenapthylene group adopts an envelope conformation with the spiro C atom as the flap. The naphthalene ring system of the dihydro­acenaphthyl­ene group forms dihedral angles of 83.4 (9) and 61.3 (7)°, respectively, with the mean planes of the pyrrolidine and indole rings. The crystal packing is stabilized by inter­molecular C—H⋯O hydrogen bonds. The title compound is a diastereomer of a previously reported structure.
doi:10.1107/S1600536813004868
PMCID: PMC3588527  PMID: 23476610

Results 1-25 (85)