Amidation of Aldehydes and Alcohols through α-Iminonitriles and a Sequential Oxidative Three-Component Strecker Reaction/Thio-Michael Addition/Alumina-Promoted Hydrolysis Process to Access β-Mercaptoamides from Aldehydes, Amines, and Thiols
作者:Jean-Baptiste Gualtierotti、Xavier Schumacher、Patrice Fontaine、Géraldine Masson、Qian Wang、Jieping Zhu
DOI:10.1002/chem.201202291
日期:2012.11.12
hydrolysis conditions for converting α‐iminonitriles into carboxamides have been developed. In combination with the oxidative three‐component Strecker reaction, the one‐pot direct amidation of aldehydes and alcohols is reported. Subsequently, an Yb(OTf)3‐catalyzed Michael addition of thiols to α,β‐unsaturated α‐iminonitriles is reported for the synthesis of β‐mercapto‐α‐iminonitriles. The successful integration
已经开发出了温和的,一般的氧化铝促进的水解条件,可将α-亚氨基腈转化为羧酰胺。结合氧化性三组分Strecker反应,已报道了醛和醇的单锅直接酰胺化。随后,据报道Yb(OTf)3催化硫醇向α,β-不饱和α-亚腈的迈克尔加成反应,合成了β-巯基-α-亚胺。氧化斯特雷克反应,硫代迈克尔加成反应和中性氧化铝促进的β-巯基-α-亚腈水解成功地整合为三组分一锅法,使我们得以开发胺,醛,和硫醇合成β-巯基酰胺 所有这些程序均适用于芳族和脂族胺和醛。