反应条件
1: 3,4,5-trimethoxyphenylboronic acid With potassium ethylxanthate; copper(l) chloride in methanol 3 h; Inert atmosphereReflux; 2: dihydroxy-4-(trifluoromethyl)phenylborane With potassium hydroxide in methanol 9 h; Inert atmosphereReflux;
参考文献
Synlett, , # 20 art. no. W18411ST, p. 3041 - 3045