Secondary Phosphinocarbyne and Phosphaisonitrile Complexes
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The palladium-mediated reaction of [W(CBr)(CO)2(Tp*)] (Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate) with primary phosphines PH2R (R = Ph, Cy) affords the secondary phosphinocarbyne complexes [W(CPHR)(CO)2(Tp*)], deprotonation of which provides the anionic phosphaisonitrile complexes [W(CPR)(CO)2(Tp*)]−, including the structurally characterized salt [W(CPPh)(CO)2(Tp*)][K(kryptofix)].
钯介导的[W(≡CBr)(CO)₂(Tp*)]（其中Tp*为氢化三(3,5-二甲基吡唑-1-基)硼酸根(hydrotris(3,5-dimethylpyrazol-1-yl)borate)）与伯膦PH₂R（R为苯基(Ph)、环己基(Cy)）的反应，可生成仲膦卡拜配合物[W(≡CPHR)(CO)₂(Tp*)]；对该类配合物进行去质子化处理，可得到阴离子型膦异腈配合物[W(CPR)(CO)₂(Tp*)]⁻，其中包含经结构表征的盐[W(CPPh)(CO)₂(Tp*)][K(kryptofix)]。
创建时间：
2016-02-16
