Umpolung Reaction of α-Imino Thioesters and the Subsequent C–C Bond Formation with the Unexpected Alkylthio Rearrangement
作者:Isao Mizota、Chihiro Ueda、Yun Tesong、Yusuke Tsujimoto、Makoto Shimizu
DOI:10.1021/acs.orglett.8b00639
日期:2018.4.20
of the α-imino thioester was examined, and we found that α-imino thioesters were more effective substrates for the umpolung N-alkylation than conventional α-imino esters and they gave N-alkylated amino thioesters in high yields under mild reaction conditions in a short time. A new type of C–C bond formation followed by an unexpected rearrangement of the alkylthio group took place with the unsaturated
研究了α-亚氨基硫代酸酯的疏密反应,我们发现α-亚氨基硫代酸酯比常规α-亚氨基酯是更有效的N-烷基化基质,在温和的反应下,它们以高收率得到了N-烷基化氨基硫代酸酯。条件在短时间内。一种新型的CC键形成,随后烷基硫基与不饱和酮发生意外的重排,从而以高收率和良好的非对映选择性提供了β-烷基硫基-α-氨基硫酯。