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Issue 6, 2012
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Catalytic versus stoichiometric dehydrocoupling using main group metals

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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

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Article information


Submitted
12 Oct 2011
Accepted
29 Nov 2011
First published
09 Jan 2012

RSC Adv., 2012,2, 2191-2199
Article type
Review Article

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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