Kubota A, Emmert MH, Sanford MS. Pyridine ligands as promoters in Pd(II/0)-catalyzed C-H olefination reactions.
Org Lett 2012;
14:1760-3. [PMID:
22409653 DOI:
10.1021/ol300281p]
[Citation(s) in RCA: 142] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Commercially available pyridine ligands can significantly enhance the rate, yield, substrate scope, and site selectivity of arene C-H olefination (Fujiwara-Moritani) reactions. The use of a 1:1 ratio of Pd/pyridine proved critical to maximize reaction rates and yields.
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