Invention Grant
US5486614A Intermediates for preparing antifolate compounds 失效
制备抗叶酸化合物的中间体

Intermediates for preparing antifolate compounds
Abstract:
This invention relates to intermediates, and processes thereto, for the preparation of tetrahydropyrido[2,3-d]pyrimidines which are useful for the treatment of susceptable neoplasms. The intermediates have the following formula II; ##STR1## wherein the R, R.sup.1 and A groups are as defined in the specification.
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