Bi(OTf)
<sub>3</sub>
‐Catalysed Access to 2,3‐Substituted Isoindolinones and Tricyclic N,O‐Acetals by Trapping of Bis‐
<i>N</i>
‐Acyliminium Species in a Tandem Process
作者:Ahmed Aliyenne、Frédéric Pin、Vijaykumar D. Nimbarte、Ata Martin Lawson、Sébastien Comesse、Morgane Sanselme、Vincent Tognetti、Laurent Joubert、Adam Daïch
DOI:10.1002/ejoc.201600530
日期:2016.7
New 1,3-bis-N-acyliminium species generated easily with nontoxic Bi(OTf)3 catalyst at very low loadings (2 mol-%) were trapped inter- and intramolecularly with various poly-nucleophiles. This mild, efficient, practical and general tandem approach provides an array of substituted isoindolinones and cyclic N,O-acetals.
使用无毒 Bi(OTf)3 催化剂在非常低的负载量 (2 mol-%) 下很容易生成的新 1,3-双-N-酰基铵物种被各种多亲核试剂捕获在分子间和分子内。这种温和、高效、实用和通用的串联方法提供了一系列取代的异吲哚啉酮和环状 N,O-缩醛。