反应条件
1: 68 percent / aq. H2SO4 / tetrahydrofuran / 20 h / Heating 2: 71 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature View Scheme
参考文献
Ashimori; Ono; Uchida; Ohtaki; Fukaya; Watanabe; Yokoyama
Chemical and Pharmaceutical Bulletin, 1990 , vol. 38, # 9 p. 2446 - 2458
