Catalytic Synthesis of N-Unprotected Piperazines, Morpholines, and Thiomorpholines from Aldehydes and SnAP Reagents
作者:Michael U. Luescher、Jeffrey W. Bode
DOI:10.1002/anie.201505167
日期:2015.9.7
available SnAP (stannyl amine protocol) reagents allow the transformation of aldehydes and ketones into a variety of N‐unprotected heterocycles. By identifying new ligands and reaction conditions, a robust catalytic variant that expands the substrate scope to previously inaccessible heteroaromatic substrates and new substitution patterns was realized. It also establishes the basis for a catalytic enantioselective
市售的SnAP(锡烷基胺方案)试剂可将醛和酮转化为各种N-未保护的杂环。通过确定新的配体和反应条件,实现了一种强大的催化变异体,该变异体将底物范围扩大到了以前无法接近的杂芳族底物,并实现了新的取代模式。它还通过使用手性配体建立了催化对映选择性过程的基础。