Issue 11, 1993
From the journal:

Journal of the Chemical Society, Dalton Transactions

Photocatalysis of cyclooctane dehydrogenation by the a-frame dinuclear rhodium complex [Rh2(µ-S)(CO)2(dppm)2][dppm = bis(diphenylphosphino)methane]

Hiroaki Itagaki,   Hisahiro Einaga  and  Yasukazu Saito  

Abstract

Visible-light irradiation at the longest-wavelength absorption band (λmax= 475 nm) of the A-frame dinuclear complex [Rh2(µ-S)(CO)2(dppm)2][dppm = bis(diphenylphosphino)methane] caused catalytic dehydrogenation of cyclooctane [initial turnover frequency = 32.8 h–1, total turnover number = 27.3 (per complex)]. The absorption band effective for photocatalysis was assigned to a metal-to-ligand charge transfer (m.l.c.t.) by extended Hückel molecular orbital (EHMO) calculations. The m.l.c.t. transition energy of [Rh2(µ-S)(CO)2(dppm)2] was lower than that of the photocatalytically active mononuclear complex [RhCl(CO)(PPh3)2](λmax= 364 nm), the origin of which was investigated in detail in terms of the Rh–Rh and Rh–S interactions.

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Article information

DOI
https://doi.org/10.1039/DT9930001689
Article type
Paper

J. Chem. Soc., Dalton Trans., 1993, 1689-1693

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Photocatalysis of cyclooctane dehydrogenation by the a-frame dinuclear rhodium complex [Rh2(µ-S)(CO)2(dppm)2][dppm = bis(diphenylphosphino)methane]

H. Itagaki, H. Einaga and Y. Saito, J. Chem. Soc., Dalton Trans., 1993, 1689 DOI: 10.1039/DT9930001689

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