Choi J, Pulling ME, Smith DM, Norton JR. Unusually weak metal-hydrogen bonds in HV(CO)4(P-P) and their effectiveness as H(*) donors.
J Am Chem Soc 2008;
130:4250-2. [PMID:
18335937 DOI:
10.1021/ja710455c]
[Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The V-H bonds in HV(CO)4(P-P) are unusually weak (55 to 58 kcal/mol). They transfer H* to styrene more rapidly than CpCr(CO)3H does and are effective stoichiometric reagents for the cyclization of appropriate 1,6-dienes.
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