反应条件
sulfuric acid
1.) ether, RT, 1 h, 2.) chloroform, reflux, 5 h; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Kashima, Choji; Hibi, Shigeki; Shimizu, Masao; Tajima, Tadakuni; Omote, Yoshimori
Heterocycles, 1986 , vol. 24, # 2 p. 429 - 436
