Amine-catalyzed tunable reactions of allenoates with dithioesters: formal [4+2] and [2+2] cycloadditions for the synthesis of 2,3-dihydro-1,4-oxathiines and enantioenriched thietanes
摘要:
已开发出基于切换亲核胺催化剂的烯酸酯和二硫酯之间的化学选择性[4+2] vs. [2+2]环加成反应,提供了含硫杂环化合物的分岔合成。