Resolution process of intermediates useful for the preparation o

Details Resolution process of intermediates useful for the preparation o Resolution process of intermediates useful for the preparation o

1990-07-26

1992-03-17

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

540491, 562402, 562431, C07B 5700

Patent

active

050970593

ABSTRACT:
A process of spontaneous resolution of compounds of formula ##STR1## wherein R has the meanings reported in the description, is described. The compounds of formula III are intermediates useful for the preparation of Diltiazem.

REFERENCES:
patent: 4552695 (1985-11-01), Igarashi et al.
patent: 4908469 (1990-03-01), Martin
patent: 4931587 (1990-06-01), Piselli

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