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2-[2,6-Bis(propan-2-yl)phen-yl]-1,3-di-cyclo-hexyl-guanidine.

ABSTRACT: In the title asymmetric di-cyclo-hexyl-phenyl-guanidine, C25H41N3, the central guanidine C atom deviates by only 0.004?(2)?Å from the central plane defined by the three N atoms. The benzene and the cyclo-hexyl rings are rotated out of the central plane of the N3C unit by 85.63?(12)° (benzene) and 51.52?(9) and 49.37?(12)° (cyclohexyl). The crystal packing features only by van der Waals inter-actions.

SUBMITTER: Chlupaty T

PROVIDER: S-EPMC4120537 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Crystal structure of 1,2-bis-(2,6-di-methyl-phen-yl)-3-phenyl-guanidine.

Project description:In the title compound, C23H25N3, the dihedral angles between the planes of the benzene ring and the two substituent di-methyl-phenyl rings are 60.94 (7)° and 88.08 (7)°, and the dihedral angle between the planes of the two di-methyl-phenyl rings is 58.01 (7)°. In the crystal, weak C-H⋯N inter-actions exist between adjacent mol-ecules. One of the di-methyl-phenyl rings has a small amount of π-π overlap with the phenyl ring of an adjacent mol-ecule [centroid-to-centroid distance = 3.9631 (12) Å].

| S-EPMC4518950 | biostudies-literature

2-[4-(Carbazol-9-yl)phen-yl]-1,3-diethyl-1,3-di-phenyl-guanidine.

Project description:In the title compound, C35H32N4, the C-N bond lengths in the guanidine part are 1.286 (3), 1.387 (2) and 1.414 (2) Å, indicating double- and single-bond character. The N-C-N angles are 114.48 (17), 118.78 (17) and 126.72 (17)°, showing a deviation of the CN3 plane from an ideal trigonal-planar geometry. The carbazole ring system is almost planar (r.m.s. deviation = 0.002 Å). In the crystal, mol-ecules are connected by weak C-H⋯N hydrogen bonds, generating a zigzag chain along the ac plane. Weak π-π inter-actions [centroid-centroid distance = 3.785 (1) Å] between two phenyl rings of the guanidine moiety are also present.

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cis-{2,6-Bis[(di-tert-butyl-phosphan-yl)meth-yl]cyclo-hexyl-?(3) P,C (1),P'}chloridopalladium(II).

Project description:The Pd(II) atom in the title compound, [Pd(C24H49P2)Cl], has a distorted square-planar CClP2 coordination geometry with the P,C,P'-tridentate ligand forming two five-membered metallacycles. The cyclo-hexane ring is aligned with the Pd(II) coordination plane due to C-H activation in an equatorial position, giving a tri-equatorial conformation of the cyclo-hexyl ring.

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Crystal structure of racemic [(1R,2S,3R,4S,6S)-2,6-bis-(furan-2-yl)-4-hy-droxy-4-(thio-phen-2-yl)cyclo-hexane-1,3-di-yl]bis-(thio-phen-2-yl-methanone).

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Project description:The title compound, C(27)H(38)N(2), is the first reported free imidazolidin-2-yl-idene carbene with 2,6-diisopropyl-phenyl groups in the 1,3-positions. The five-membered ring adopts a twisted conformation and the dihedral angle between the aromatic rings is 48.81 (6)°. Both isopropyl groups attached to one of the benzene rings are disordered over two sets of sites in 0.74 (2):0.26 (2) and 0.599 (8):0.401 (8) ratios.

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(R(P))-5-Methyl-2-(propan-2-yl)cyclo-hexyl phen-yl{phen-yl[(1-phenyl-eth-yl)amino]-meth-yl}phosphinate.

Project description:In the title compound, C(31)H(40)NO(2)P, the P atom has a distorted tetra-hedral stereochemistry [bond-angle range about P = 103.33?(6)-115.24?(15)°] and has R(P) chirality, which was confirmed crystallographically. The dihedral angles between the P-bonded phenyl ring and the other two phenyl rings are 40.4?(3) and 12.2?(2)°. In the crystal, a C-H?O inter-action links mol-ecules into chains which extend along [100].

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N-[2-(N-Cyclo-hexyl-carbamo-yl)propan-2-yl]-N-(2-iodo-phen-yl)prop-2-ynamide.

Project description:In the title compound, C(19)H(23)IN(2)O(2), the cyclo-hexane ring adopts a chair conformation, and the mean plane of the propiolamide unit is approximately perpendicular to the benzene ring [dihedral angle = 88.12 (13)°]. Weak intra-molecular C-H⋯O hydrogen bonding is observed between the carbonyl group and the benzene ring. In the crystal, classical N-H⋯O hydrogen bonds and weak C-H⋯O inter-actions are present.

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