Fused pyrimidines by a tandem aza-Wittig/electrocyclic ring closure strategy: synthesis of pyrazolo[3,4-d]pyrimidine, [1,2,3]triazolo[4,5-d]pyrimidine, and thiazolo[4,5-d]pyrimidine derivatives
Fused pyrimidines by a tandem aza-Wittig/electrocyclic ring closure strategy: synthesis of pyrazolo[3,4-d]pyrimidine, [1,2,3]triazolo[4,5-d]pyrimidine, and thiazolo[4,5-d]pyrimidine derivatives
Fused pyrimidines by a tandem aza-Wittig/electrocyclic ring closure strategy: synthesis of pyrazolo[3,4-d]pyrimidine, [1,2,3]triazolo[4,5-d]pyrimidine, and thiazolo[4,5-d]pyrimidine derivatives
作者:Pedro Molina、Antonio Arques、Maria Victoria Vinader、Jan Becher、Klaus Brondum