One-Pot Synthesis of α-Branched <i>N</i>-Acylamines via Titanium-Mediated Condensation of Amides, Aldehydes, and Organometallics
作者:Chunhui Dai、Julien Genovino、Bruce M. Bechle、Matthew S. Corbett、Chan Woo Huh、Colin R. Rose、Jianmin Sun、Joseph S. Warmus、David C. Blakemore
DOI:10.1021/acs.orglett.7b00082
日期:2017.3.3
A three-component, titanium-mediated synthesis of α-branched N-acylamines from commercial or readily accessible amides, aldehydes, and organometallic reagents is reported. The transformation proceeds under mild reaction conditions and tolerates a variety of functional groups (including nitrile, carbamate, olefin, basic amine, furan, and other sensitive heteroaromatics) to generate a large umbrella
报道了由市售或易于获得的酰胺,醛和有机金属试剂的三组分钛介导的α-支化N-酰基胺的合成。转化在温和的反应条件下进行,并能耐受各种官能团(包括腈,氨基甲酸酯,烯烃,碱性胺,呋喃和其他敏感的杂芳族化合物),从而以高收率生成大片的α-支化N-酰基胺产物。操作上实际可行的程序使该方法可用于并行化学合成中,这是一个有价值的功能,可以促进药物化学家对生物活性分子的筛选。