Asymmetric process for preparing florfenicol, thiamphenicol chlo

Details Asymmetric process for preparing florfenicol, thiamphenicol chlo Asymmetric process for preparing florfenicol, thiamphenicol chlo

1992-12-18

1994-10-04

Kumar, Shailendra

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

548215, 548237, 549512, 549513, 549523, 549529, 549554, 549555, 549560, 564211, C07C23305, C07C23312, C07D26308, C07D30119

Patent

active

053528328

ABSTRACT:
The present invention comprises a process for the asymmetric synthesis of florfenicol, thiamphenicol or chloramphenicol, from a derivative of trans-cinnamic acid, comprising the steps:

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patent: 4361557 (1982-11-01), Nagabhushan
patent: 4743700 (1988-05-01), Jommi et al.
patent: 4876352 (1989-10-01), Schumacher et al.
Clark et al, Synthesis, pp. 891-894 (1991).
Schumacher, et al, J. Org. Chem., 55, pp. 5291-5294 (1990).
McCombie, et al, Tet. Lett., 28, pp. 5395-5398 (1987).
Tyson, Chem. and Indust., pp. 118-122 (1988).

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