Optically active phenol derivatives and preparation thereof

Details Optically active phenol derivatives and preparation thereof Optically active phenol derivatives and preparation thereof

C - Chemistry, Metallurgy

07

C

C07C 69/73 (2006.01) A61K 31/05 (2006.01) A61K 31/19 (2006.01) A61K 31/215 (2006.01) A61K 31/33 (2006.01) C07C 39/15 (2006.01) C07C 59/56 (2006.01) C07C 59/74 (2006.01) C07C 69/007 (2006.01) C07C 69/16 (2006.01) C07C 69/732 (2006.01) C07C 69/734 (2006.01) C07C 69/738 (2006.01) C07C 69/78 (2006.01) C07D 295/185 (2006.01) C07D 307/20 (2006.01) C07D 309/12 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2099466

24205-966 ABSTRACT OF THE DISCLOSURE An optically active tri-substituted methane compound having, as substituents, an aromatic ring group and a phenyl group having hydroxyl group at ortho- or para-position can be obtained by allowing a phenol compound unsubstituted at the ortho- or/and para-position to react with an optically active secondary carbinol compound having an aromatic ring group at the alpha-position in the presence of tri-substituted phosphine and diazodicarboxylate or diazodicarboxamide. These and other optically active tri-substituted methane compounds are useful as active ingredients of medicine or as intermediate compounds for preparing medicines.

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