1979•Angewandte Chemie International Edition in EnglishRequires access

Spontaneous Rearrangement of a Carbene‐ to a Carbyne Complex: C,Cr Migration of a Sn(C6H5)3 Group

Ernst Otto Fischer, Helmut Fischer, Ulrich Schubert, Richard B. A. Pardy

Abstract

Fresh light is thrown upon the rearrangements of carbene complexes into carbyne complexes by the spontaneous reaction (1) → (2). It is quantitative at room temperature, does not involve an ionic mechanism and refutes the idea that the migrating heteroatom X in (CO)5CrC(NEt2)X must have a lone pair.

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Key concepts: Carbyne, Carbene, Lone pair, Ionic bonding, Heteroatom, Chemistry, Crystallography, Stereochemistry