Acetylenic chemistry, part XXVI: One-pot synthesis of 1,3-dialkylated derivatives of quinazolinone and its aza-analogue via mitsunobu reaction
作者:Johannes Reisch、Akkinepalli Raghu Ram Rao、Cyril O. Usifoh
DOI:10.1007/bf00810032
日期:1993.11
Quinaozolin-2,4-(1H,3H)-dione (1), 6,7-dimethoxy-quinazolin-2,4-(1H,3H)-dione (2), and 1,2,3,4-tetrahydro-2,4-dioxo-pyrido[2,3-d]pyrimidine (3) were subjected to Mitsunobu conditions using propinol to give the 1,3-dialkylated derivatives 4, 5, and 6.