B-H, C-H, and B-C Bond Activation: The Role of Two Adjacent Agostic Interactions

Audrey Cassen (1) , Yann Gloaguen (1) , Laure Vendier (1) , Carine Guyard-Duhayon (1) , Amalia Poblador-Bahamonde (2) , Christophe Raynaud (2) , Eric Clot (2) , Gilles Alcaraz (1) , Sylviane Sabo-Etienne (1)

1 LCC - Laboratoire de chimie de coordination
2 ICGM ICMMM - Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier

Tuning the nature of the linker in a L∼BHR phosphinoborane compound led to the isolation of a ruthenium complex stabilized by two adjacent, δ-CH and ε-Bsp2H, agostic interactions. Such a unique coordination mode stabilizes a 14-electron "RuH2P2" fragment through connected σ-bonds of different polarity, and affords selective BH, CH, and BC bond activation as illustrated by reactivity studies with H2 and boranes.

Domaines: Chimie théorique et/ou physique; Catalyse

Audrey Cassen, Yann Gloaguen, Laure Vendier, Carine Guyard-Duhayon, Amalia Poblador-Bahamonde, et al.. B-H, C-H, and B-C Bond Activation: The Role of Two Adjacent Agostic Interactions. Angewandte Chemie International Edition, 2014, 53, pp.7569-7573. ⟨10.1002/anie.201404753⟩. ⟨hal-01053546⟩