Princeton University

Eli Lilly and Company

Philip M Harrington

Edward C Taylor

Chuan Shih

Pyrido[2,3-d]pyrimidine compounds are prepared through the reaction of 2,4-diamino-6(1H)-pyrimidone and an activated derivative of a dialdehyde. A typical embodiment utilizes the dinitrile.

Process for the preparation of fused pyridine compounds

Pyrimidin-5-yl derivatives of L-glutamic acid are anti-neoplastic agents. A typical embodiment is N-(4-[5-(2,6-diamino-4-hydroxypyrimidin-5-yl)-butyl]-thien-2-ylcarboxy)-L- glutamic acid.

L-glutamic acid derivatives

Pyrimidin-5-yl derivatives of L-glutamic acid are anti-neoplastic agents. A typical embodiment is N-(4-[4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-butyl]-benzoyl)-L-glutamic acid.

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Plainwell, MI, United States of America

Philip M Harrington