期刊
SYNTHESIS-STUTTGART
卷 48, 期 11, 页码 1616-1621出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0035-1561399
关键词
palladium; biaryl; iodine; C-H activation; cross-dehydrogenative coupling
资金
- Canada Research Chair Foundation
- CFI
- NSERC
- DDTP program
A palladium-catalyzed homo cross-dehydrogenative coupling (CDC) of 2-arylpyridines via C-H activation is described. This reaction employs I-2 as the sole oxidant without any other additives, which complements the hypervalent iodine chemistry, such as of phenyliodonium diacetate (PIDA) or IOAc, in C-H activation research field. A tentative mechanism involving a Pd(II)-Pd(IV) catalytic cycle is proposed to rationalize this homo CDC reaction.
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