摘要:
A process for preparing (1R,3S)-3-(9-chloro-3-methyl-4-oxo-5H-(isoxazoloquinolin-5-yl))cyclohexanecarboxylic acid and esters thereof, as represented by formulas II and III, wherein R is a lower alkyl groups, and A and B are N or O, provided that when A is N, B is O, or when A is O, B is N: Formula (III) and Formula (II).
摘要:
The present invention concerns intermediates, and processes directed to and from those intermediates, to a series of pyrimidine derivatives of formula (V), which are intermediates to useful antifolate compounds or are themselves useful antifolate compounds.