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Metal‐Free Reduction of CO 2 to Methoxyborane under Ambient Conditions through Borondiformate Formation
Author(s) -
Sau Samaresh Chandra,
Bhattacharjee Rameswar,
Vardhanapu Pavan K.,
Vijaykumar Gonela,
Datta Ayan,
Mandal Swadhin K.
Publication year - 2016
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201609040
Subject(s) - catalysis , tandem , catalytic cycle , chemistry , carbene , homogeneous , metal , combinatorial chemistry , inorganic chemistry , photochemistry , chemical engineering , organic chemistry , materials science , thermodynamics , physics , engineering , composite material
An abnormal N‐heterocyclic carbene (aNHC) based homogeneous catalyst has been used for the reduction of carbon dioxide to methoxyborane in the presence of a range of hydroboranes under ambient conditions and resulted in the highest turnover number of 6000. A catalytically active reaction intermediate, [aNHC‐H⋅9BBN(OCOH) 2 ] was structurally characterized and authenticated by NMR spectroscopy. A detailed mechanistic cycle of this catalytic process via borondiformate formation has been proposed from tandem experimental and computational experiments.