一个末端氯膦配合物。

IF 1.1 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Zeitschrift fur Anorganische und Allgemeine Chemie Pub Date : 2020-07-15 Epub Date: 2020-02-11 DOI:10.1002/zaac.202000010

Josh Abbenseth, Sven Schneider

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引用次数: 1

摘要

末端亲电膦烯配合物(M=PR)是PR转移到有机底物的有吸引力的平台。与芳基或烷基膦配合物相反，末端氯膦配合物(M=PCl)仅被提出作为瞬态中间体，但可分离的例子仍然难以捉摸。在这里，我们提出了PCl从氯取代二苯并-7λ3-磷鸟二烯转移到一个方形平面锇(II) PNP钳形配合物，得到了第一个可分离的，具有显著热稳定性的末端磷二烯配合物。通过计算检验了Os=P键，得到了高共价{OsII=PICl}双键。

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A Terminal Chlorophosphinidene Complex.

Terminal, electrophilic phosphinidene complexes (M=PR) are attractive platforms for PR-transfer to organic substrates. In contrast to aryl- or alkylphosphinidene complexes terminal chlorophosphinidenes (M=PCl) have only been proposed as transient intermediates but isolable example remain elusive. Here we present the transfer of PCl from chloro-substituted dibenzo-7λ³-phosphanorbornadiene to a square-planar osmium(II) PNP pincer complex to give the first isolable, terminal chlorophosphinidene complex with remarkable thermal stability. Os=P bonding was examined computationally giving rise to highly covalent {Os^II=P^ICl} double bonding.

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来源期刊

Zeitschrift fur Anorganische und Allgemeine Chemie 化学-无机化学与核化学

CiteScore

2.60

自引率

14.30%

发文量

308

审稿时长

1 months

期刊介绍： ZAAC is an international scientific journal which publishes original papers on new relevant research results from all areas of inorganic chemistry, solid state chemistry, and co-ordination chemistry. The contributions reflect the latest findings in these research areas and serve the development of new materials, such as super-hard materials, electrical superconductors, or intermetallic compounds. Up-to-date physical methods for the characterization of new chemical compounds and materials are also described.