Xuan Yun
2003
Citations
0
Influential Citations
0
Citations
Journal
Chinese Journal of Pharmaceuticals
Abstract
Pemirolast potassium was synthesized from ethyl cyanoacetate by reaction with sodium azide to obtain ethyl 1 H tetrazol 5 yl acetate which reacted with 2 amino 3 methylpyridine and triethyl orthoformate, followed by potassium salf formation. The overall yield of the improved procedure was 38.7%.