Formation of a cationic alkylidene complex via formal hydride abstraction: synthesis and structural characterization of [W(PMe3)4(η2-CHPMe2)H]X (X = Br, I).
作者： Aaron Sattler , Gerard Parkin
DOI: 10.1039/C1CC15457E
关键词: Reaction rate constant 、 Cationic polymerization 、 Stereochemistry 、 Halide 、 Aryl 、 Hydride 、 Medicinal chemistry 、 Chemistry 、 Deuterium 、 Methylene
摘要: W(PMe3)4(η2-CH2PMe2)H reacts with aryl halides to give the alkylidene complex, [W(PMe3)4(η2-CHPMe2)H]+, which LiAlD4 selectively W(PMe3)4(η2-CHDPMe2)H, in deuterium resides methylene group; subsequent migration of from group provides a means measure rate constant for formation 16-electron species [W(PMe3)5] W(PMe3)4(η2-CH2PMe2)H.
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