发明授权
EP1519938B1 SYNTHESIS OF PURINE DERIVATIVES 有权
合成的嘌呤衍生物

SYNTHESIS OF PURINE DERIVATIVES
摘要:
The present invention provides a process for producing highly substituted purine compounds from pyrimidine compounds. Furthermore, processes of the present invention allow preparation of a library of purine compounds. Specifically the invention claims a process for the preparation of a substituted purine compound of the formula (I), wherein R1, R2, R3, R4, and R5 are as described herein.
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