CHEMISTRY OF THE H3B(CH3)2P GROUP .2. SYNTHESIS AND CRYSTAL-STRUCTURE OF A SALT CONTAINING THE ANION [H3B(CH3)2PCHP(CH3)2BH3]- - PRECURSORS AND RELATED COMPOUNDS

Metalation of the central C atom of the bis(phosphane‐borane) 1 is feasible with alkyllithium; the complex salt 2 can be precipitated with TMEDA. According to X‐ray structure analysis, the distances in the non‐linear PCP bridge are almost equal and shorter than the terminal PC bonds, thus establishing the ylidic nature of the bridge. (Figure Presented.) Copyright © 1979 by Verlag Chemie, GmbH, Germany