Reactions of an electronically unsaturated chromaborane. Coordination of CS2 to (η5-C5Me5)2Cr2B 4H8 and its hydroboration to a methanedithiolato ligand

Hisako Hashimoto, Maoyu Shang, Thomas P. Fehlner

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

The reaction of the electronically unsaturated Cp*2Cr2B4H8 (1; Cp* = η5-C5Me5) cluster with CS2 yields the saturated Cp*2Cr2(CH2S2B 4H6) (3) cluster in better than 90% isolated yield. Both solution spectroscopic and solid-state crystallographic data show that 3, with C2 point symmetry, contains an intracluster bridging methanedithiolato H2CS2 ligand in which the S atoms of the ligand have replaced two transoid BHCr bridging hydrogens in 1, which in turn have added to the carbon atom. The three compounds 1, Cp*2Cr2(CO)2B4H6 (2), and 3 exhibit similar cluster geometries but possess 42, 44, and 46 cluster valence electrons, respectively.

Original languageEnglish
Pages (from-to)1963-1965
Number of pages3
JournalOrganometallics
Volume15
Issue number8
DOIs
Publication statusPublished - 1996 Apr 16

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