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Catalytic versus stoichiometric dehydrocoupling using main group metals

Less, Robert J., Melen, Rebecca L. and Wright, Dominic S. 2012. Catalytic versus stoichiometric dehydrocoupling using main group metals. RSC Advances 2 (6) , pp. 2191-2199. 10.1039/c2ra00882c

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: RSC Publishing
ISSN: 2046-2069
Date of Acceptance: 29 November 2011
Last Modified: 04 Jun 2017 06:49
URI: http://orca.cf.ac.uk/id/eprint/65047

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