The reaction of [(dichlorophosphino)methyl]tris(dimethylamino)phosphonium tetraphenylborate 5 with an excess of 1,4-diazobicyclo[2.2.2]octane (DABCO) yields the new phosphonio-substituted phosphaalkyne, [(Me2N)3P–CP)+BPh4–6, which is trapped by secondary amines, phenols and mesityl azide.
(二
氯膦)甲基]三(二甲基
氨基)
鏻四苯基
硼酸盐 5 与过量的 1,4-二氮杂
双环[2.2.2]辛烷 (
DABCO) 反应生成了新的膦代
磷炔,[(Me2N)3P-CP)+BPh4-6,它被仲胺、
苯酚和
叠氮间甲
苯胺所捕获。