A new ring transformation of thiazolo(4,5-g)quinazoline 3-oxides into (1,4)thiazino(3,2-g)quinazolines by the 1,3-dipolar cycloaddition reaction.
作者:Hashime Kanazawa、Zenzo Tamura、Keitaro Senga
DOI:10.1248/cpb.34.1384
日期:——
1, 3-Dipolar cycloaddition reaction of thiazolo[4, 5-g]quinazoline 3-oxides with ethyl phenylpropiolate resulted in a ring transformation of the thiazole nucleus to give [1, 4]thiazino[3, 2-g]quinazolines, a new class of heterocycles.