Elodie Marrelec

Facile synthesis of 6-cyano-9-substituted-9H-purines and their ring expansion to 8-(arylamino)-4-imino-3-methylpyrimidino[5,4-d]pyrimidines.

R. A. Carpenter, M. F. Proença, Amal Al‐Azmi, 2001 .