反应条件
1: 90 percent / SnCl4 2: 85.4 percent / 1.) sodium hydride / dioxane / 1.) 90 deg C, 10 min; reflux, 30 min; 2.) 90-95 deg C, 20 min; reflux, 1 h 3: 83.8 percent / hydrazine hydrate / ethanol / 5 h / Heating 4: N-bromosuccinimide / dioxane / 1 h / Ambient temperature 5: sodium hydroxyde / dioxane; H2O / 1.) 50 deg C, 45 min; 2.) 90 deg C, 2 h 6: 74 percent / 1.) butyllithium / tetrahydrofuran / 1.) - 40 deg C, 30 min; 2.) 15 min View Scheme
参考文献
Washino, Tsutomu; Yoshikura, Masahiro; Obata, Shigeo
Agricultural and Biological Chemistry, 1986 , vol. 50, # 3 p. 565 - 568
