Readily available lithium compounds as catalysts for the hydroboration of carbodiimides and esters

TitleReadily available lithium compounds as catalysts for the hydroboration of carbodiimides and esters
Publication TypeJournal Article
Year of Publication2021
AuthorsBisai, MKumar, Gour, K, Das, T, Vanka, K, Sen, SS
JournalJournal of Organometallic Chemistry
Volume949
Pagination121924
Date PublishedSEP 15
Type of ArticleArticle
ISSN0022-328X
AbstractSelective and efficient hydroboration of esters and carbodiimides to alcohols and amines by two welldefined and readily accessible lithium complexes, 2,6-di-tert-butyl phenolate lithium (1a ) and 1,1'-dilithioferrocene (1b ) are described. A range of aliphatic, aromatic, and cyclic esters with various functional groups were selectively converted into the corresponding boronate esters. Similarly, the single hydroboration of carbodiimides with aliphatic and aromatic substituents on the nitrogen atoms was studied. A possible mechanistic pathway of the hydroboration of carbodiimides with HBpin has been proposed using NMR studies and DFT calculations. These reactions are convenient alternatives to stoichiometric hydride reduction or hydrogenation. The employing of lithium complexes is also significant, because of the need to find cheap and green alternatives to noble metal complexes. (C) 2021 Elsevier B.V. All rights reserved.
DOI10.1016/j.jorganchem.2021.121924
Type of Journal (Indian or Foreign)Foreign
Impact Factor (IF)2.369
Divison category: 
Catalysis and Inorganic Chemistry
Physical and Materials Chemistry

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