Palladium-Catalyzed α,β-Dehydrogenation of Esters and Nitriles
作者:Yifeng Chen、Justin P. Romaire、Timothy R. Newhouse
DOI:10.1021/jacs.5b02243
日期:2015.5.13
A highly practical and general palladium-catalyzed methodology for the alpha,beta-dehydrogenation of esters and nitriles is repotted. Generation of a zinc enolate or (cyanoalkyl)zinc species followed by the addition of an allyl oxidant and a palladium catalyst results in synthetically useful yields of alpha,beta-unsaturated esters, lactones, and nitriles. Preliminary mechanistic investigations are consistent with reversible beta-hydride elimination and turnover-limiting, propene-forming reductive elimination.
THAISRIVONGS, SUVIT;PALS, DONALD T.;TURNER, STEVE R.;KROLL, LISA T., J. MED. CHEM., 31,(1988) N 7, 1369-1376
作者:THAISRIVONGS, SUVIT、PALS, DONALD T.、TURNER, STEVE R.、KROLL, LISA T.