反应条件
toluene-4-sulfonic acid; orthoformic acid triethyl ester
1) 120-130 deg C, 2) RT, 24 h; Yield given. Multistep reaction;
参考文献
Einhorn, Jacques; Bacquet, Cathy; Lelandais, Daniel
Journal of Heterocyclic Chemistry, 1980 , vol. 17, # 9 p. 1345 - 1347