obtained for the corresponding tungsten system. Deuterium labeling and magnetization transfer studies, however, demonstrate that the coordinatively unsaturated molybdenum complexes Mo(PMe3)4(OAr)H are in fact kinetically capable of intramolecular oxidative addition of a C−H bond to yield cyclometalated derivatives but that the products so obtained are thermodynamically unstable with respect to the aryloxy−hydride
Mo(
PMe 3)6与ArOH(Ar = C 6 H 2 Me 3,C 6 H 3 Pr i 2)反应生成芳
氧基
氢化物衍
生物Mo(
PMe 3)4(
OAr)H为相应的
钨系统获得了。
氘标记和磁化转移研究,但是,表明不饱和
钼配合物Mo(
PMe 3)4(
OAr)H实际上在动力学上能够分子内
氧化CH键以生成环
金属化的衍
生物,但相对于芳
氧基-
氢化物衍
生物而言,如此获得的产物在热力学上是不稳定的。