Cycloisomerisation reactions of γ-alkynoic acids can be conveniently performed in the eutectic mixture 1ChCl/2Urea at room temperature, under air and in the absence of co-catalysts by using a novel iminophosphorane–Au(i) complex.
γ-炔酸的环异构化反应可以在室温下、在空气中、在没有共催化剂的情况下,通过使用一种新型的
亚胺膦-
金(i)配合物,在1
氯乙基
三甲胺/2
尿素的共熔混合物中方便地进行。