oxide/TMEDA-catalyzed cross-coupling of vinyl halides with thiols/diphenyl diselenide in anhydrous DMSO and KOH is reported. Utilizing this protocol various vinyl sulfides and selenides were synthesized in excellent yields with retention of the stereochemistry. The catalyst was recyclable.
据报道,在无
水DMSO和KOH中,
氧化镧/ TME
DA催化卤代
乙烯与
硫醇/二苯基二
硒化物的交叉偶联。利用该方案,以优异的产率合成了各种
乙烯基硫化物和
硒化物,并保留了立体
化学。该催化剂是可回收的。