Kinetic hydricity of transition-metal hydrides toward trityl cation

Journal Article · Fri Sep 01 00:00:00 EDT 1995 · Organometallics

DOI:https://doi.org/10.1021/om00009a001· OSTI ID:106752

Cheng, T Y; Bullock, R M ^[1]

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1. Brookhaven National Lab., Upton, NY (United States)

The kinetics of hydride transfer from a series of metal hydrides (MH) to Ph{sub 3}C{sup +}BF{sub 4}{sup -} (producing Ph{sub 3}-CH and M - FBF{sub 3}) have been studied by stopped-flow methods in CH{sub 2}Cl{sub 3} solution. Second-order rate constants at 25{degree}C span 5 orders of magnitude in kinetic hydricity, ranging from k = 5.0 x 10{sup 1}M{sup -1} s{sup -1} for HMn-(CO){sub 5} to k = 4.6 x 10{sup 5} M{sup -1} s{sup -1} for trans-HMo(CO){sub 2}-(PMe{sub 3})Cp. 24 refs., 1 tab.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 106752
• Journal Information: Organometallics, Journal Name: Organometallics Journal Issue: 9 Vol. 14; ISSN ORGND7; ISSN 0276-7333
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
CATIONS
CHEMICAL REACTION KINETICS
HYDRIDES
NMR SPECTRA
TRANSITION ELEMENT COMPOUNDS