Dramatic reversal of diastereoselectivity in an N-acyliminium ion cyclization leading to hexahydropyrrolo[2,1-a]isoquinolines. A case of competing steric interactions
Dramatic reversal of diastereoselectivity in an N-acyliminium ion cyclization leading to hexahydropyrrolo[2,1-a]isoquinolines. A case of competing steric interactions
Synthesis of Cyclic Imides from Nitriles and Diols Using Hydrogen Transfer as a Substrate-Activating Strategy
作者:Jaewoon Kim、Soon Hyeok Hong
DOI:10.1021/ol501835t
日期:2014.9.5
method for the synthesis of cyclicimidesfrom nitriles and diols was developed. The method utilizes a Ru-catalyzed transfer-hydrogenation reaction in which the substrates, diols, and nitriles are simultaneously activated into lactones and amines in a redox-neutral manner to afford the corresponding cyclicimides with evolution of H2 gas as the sole byproduct. This operationally simple and catalytic