described. A range of mono-, di-, and trisubstituted olefins as well as alkyl- and arylthioamides with variations in electronics are tolerated. A rapid anti-diastereoselective halocyclization of these salts provides a variety of substituted alkyl- and arylthiazolines. Initial development of an efficient enantioselective synthesis of quaternary-substituted thiazolines through the organo-catalyzed halocyclization
描述了通过
硫代酰胺与烯丙基
溴衍
生物的偶联有效合成S-烯丙基
硫代亚
氨酸
氢溴酸盐的方法。容许一系列在电子学上有所变化的单,二和三取代的烯烃以及烷基和芳基
硫代酰胺。这些盐的快速抗-非对映选择性卤环化提供了各种取代的烷基-和芳基
噻唑啉。还描述了通过有机催化的
磺酸盐
硫代亚
氨酸盐的卤代环化反应来有效地合成季取代的
噻唑啉的对映体。