- PII
- 10.31857/S0132344X24060053-1
- DOI
- 10.31857/S0132344X24060053
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 50 / Issue number 6
- Pages
- 394-401
- Abstract
- The dehydrogenation of dimethylamine-borane (DMAB) catalyzed by the iminophosphonamide rhodium(III) complexes [Cp*RhCl{Ph2P(N–p-Tol)(NR)}] (Iа, R = p-Tol; Ib, R = Me) in situ formed fulvene [(η4-C5Me4CH2)Rh(NPN)] (IIa, IIb) and diene [(η4-C5Me5H)Rh(NPN)] (IIIa, IIIb) rhodium(I) derivatives is studied. Catalysts IIIa and IIIb turn out to be the most active and demonstrate a TOF activity of 110 (IIIа) and 540 h–1 (IIIb) at 40°С in toluene. The activity decreases significantly in more polar and coordinating THF. At the same time, the rate of DMAB dehydrogenation by complexes Iа and Ib is lower by 10–30 times, and fulvene complexes Iа and Ib are rapidly deactivated after the active initial period (
- Keywords
- иминофосфонамидные комплексы родия дегидрирование амин-боранов катализ механизм реакции
- Date of publication
- 10.06.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 10
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