反应条件
formic acid 1.) 120 deg C, 2 h, 2.) 180 deg C, 5 h;
参考文献
Bakibaev, A.A.; Yagovkin, A.Yu.; Filimonov, V.D.
Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 7 p. 1326 - 1331
Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 7 p. 1512 - 1519