Reaction of sodium benzenesulphinate with 1,2-di(4-chlorobenzenesulphonyl)hex-2-en-4-yne affords not only the regiospecific addition of the nucleophile at C(5) but also effects concomitant vinylic and allylic displacements at C(1) and (2).
苯磺酸钠与1,2-二(4-
氯苯磺酰基)hex-2-en-4-yne的反应不仅在C(5)处提供了亲核试剂的区域特异性加成,而且还影响了C(1)处的
乙烯基和
烯丙基取代)和(2)。