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Rac-2-Methyl-amino-1,2-diphenyl-ethanol.

ABSTRACT: The dihedral angle between the two phenyl rings in the title compound, C(15)H(17)NO, is 52.9?(1)°. In the crystal, the mol-ecules are connected by O-H?N hydrogen bonds into centrosymmetric dimers. The amino H atom is not involved in hydrogen bonding.

SUBMITTER: Bari A

PROVIDER: S-EPMC3275238 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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rac-2-Methyl-amino-1,2-diphenyl-ethanol.

Bari Ahmed A Al-Obaid Abdulrahman M AM Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20120121 Pt 2

The dihedral angle between the two phenyl rings in the title compound, C(15)H(17)NO, is 52.9 (1)°. In the crystal, the mol-ecules are connected by O-H⋯N hydrogen bonds into centrosymmetric dimers. The amino H atom is not involved in hydrogen bonding. ...[more]

PMID: 22347094

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rac-2-Amino-1,2-diphenyl-ethanol.

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1,2-Diphenyl-2-[(1-phenyl-eth-yl)amino]-ethanol.

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1,2-Diphenyl-2-(m-tolyl-amino)ethanone.

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N-[(1S,2S)-2-Amino-1,2-diphenyl-eth-yl]-4-methyl-benzene-sulfonamide [(S,S)-TsDPEN].

Project description:The crystal structure of the title compound, C(21)H(22)N(2)O(2)S, shows a network of N-H?N and N-H?O hydrogen bonds. The tolyl and 1-phenyl rings are almost mutually coplanar [7.89?(9)°], while the 2-phenyl ring makes a dihedral angle of 50.8?(1) ° with the 1-phenyl ring. An intra-molecular N-H?N hydrogen bond stabilizes the mol-ecular conformation.

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Project description:The title compound, C(20)H(19)NO, was prepared from 2,6-lutidine and benzophenone. There are two symmetry-independent mol-ecules in the asymmetric unit. Each mol-ecule is involved in one intra-molecular O-H?N hydrogen bond. In the crystal structure, helical chains are formed along the b axis by weak ?-? inter-actions between neighbouring mol-ecules [centroid-centroid distances between the pyridyl rings of the two independent mol-ecules = 4.041?(3) and 4.051?(3)?Å].

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(Z)-2-[(4-Methyl-phen-yl)sulfon-yl]-1,2-diphenyl-ethene-selenol.

Project description:In the title compound, C(21)H(18)O(2)SSe, the dihedral angle between the cis phenyl rings is 64.3?(1)° and those between the toluene and the phenyl rings are 21.1?(2) and 72.0?(1)°, respectively. An intra-molecular Se-H?O hydrogen bond occurs. In the crystal, mol-ecules are connected by C-H?O hydrogen bonds and weak C-H?? inter-actions help to consolidate the crystal packing.

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(±)-N-(3-Hydr-oxy-1,2-diphenyl-prop-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C(22)H(23)NO(3)S, the relative stereochemistry of the two stereogenic centres is anti with respect to the H atoms. The mol-ecular packing of the crystal shows a double-strand arrangement, consisting of one strand of (S*,S*) enanti-omers and one strand of (R*,R*) enanti-omers. Both strands lie parallel to each other along the a axis. Each strand is made up of dimers in which the mol-ecules are connected to each other via an inter-molecular O-H?O hydrogen bond between the hydroxyl groups and an O-H?? inter-action with the aromatic ring. These units are then connected to neighbouring dimers via N-H?O hydrogen bonds and C-H?O interactions. Intramolecular C-H?O interactions are also observed.

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