Issue 6, 2012

Catalytic versus stoichiometric dehydrocoupling using main group metals

Abstract

A primary factor influencing catalyticversus stoichiometric behaviour of molecular main group species in homogeneous dehydrocoupling reactions is the redox stability of the metal centre. Thus, only in the case of redox-stable metals has catalytic behaviour so far been observed, through genuinely hydrogenic coupling (E–H + E′–H → E–E′ + H2), whereas for redox-unstable metals oxidative dehydrocoupling is seen (E–H + E′–H → E–E′ + 2H+ + 2e). The mechanisms of catalytic P–H/P–H and B–H/N–H dehydrocoupling involving main group systems are closely related to d0 transition metal counterparts and produce a similar range of products, although the main group systems reported so far are not as active as the most active transition metal catalysts.

Graphical abstract: Catalytic versus stoichiometric dehydrocoupling using main group metals

Article information

Article type
Review Article
Submitted
12 Okt. 2011
Accepted
29 Nov. 2011
First published
09 Janv. 2012

RSC Adv., 2012,2, 2191-2199

Catalytic versus stoichiometric dehydrocoupling using main group metals

R. J. Less, R. L. Melen and D. S. Wright, RSC Adv., 2012, 2, 2191 DOI: 10.1039/C2RA00882C

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