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(S)-1,5-Dibenzyl-3-tert-butyl-imidazol-idin-4-one.

ABSTRACT: The title compound, C(21)H(26)N(2)O, was obtained as an unexpected by-product when attempting to prepare (S)-2-benzyl-N-tert-butyl-1,2,3,4-tetra-hydro-isoquinoline-3-carboxamide from (S)-2-benzyl-amino-N-tert-butyl-3-phenyl-propanamide and dimethoxy-methane. The mol-ecules are linked by weak C-H⋯O hydrogen bonds, generating linear chains parallel to the b axis. C-H⋯π inter-actions provide further stability for the crystal structure. The planes of the two phenyl rings make a dihedral angle of 84.1 (1)°. The absolute configuration was known from the starting material.

SUBMITTER: Zheng JF 

PROVIDER: S-EPMC2961886 | biostudies-literature | 2008 Jun

REPOSITORIES: biostudies-literature

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(S)-1,5-Dibenzyl-3-tert-butyl-imidazol-idin-4-one.

Zheng Jian-Feng JF   Guo Jian-Nan JN   Huang Su-Yu SY   Teng Bo B   Jin Li-Ren LR  

Acta crystallographica. Section E, Structure reports online 20080625 Pt 7

The title compound, C(21)H(26)N(2)O, was obtained as an unexpected by-product when attempting to prepare (S)-2-benzyl-N-tert-butyl-1,2,3,4-tetra-hydro-isoquinoline-3-carboxamide from (S)-2-benzyl-amino-N-tert-butyl-3-phenyl-propanamide and dimethoxy-methane. The mol-ecules are linked by weak C-H⋯O hydrogen bonds, generating linear chains parallel to the b axis. C-H⋯π inter-actions provide further stability for the crystal structure. The planes of the two phenyl rings make a dihedral angle of 84.  ...[more]

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