Synthesis of [1,2,4]triazolo[1,5-a]pyrimidinium-2-olates and structure elucidation of their 1:2 adducts with dimethyl acetylenedicarboxylate
Abstract
The synthesis of [1,2,4]triazolo[1,5-a]pyrimidinium betaines (5) are described and the structure of their 1:2 adducts (8) with dimethyl acetylenedicarboxylate determined.