首页> 外文期刊>Heterocycles: An International Journal for Reviews and Communications in Heterocyclic Chemistry >STEREOSELECTIVE SYNTHESIS OF gamma-AND delta-SULTAMS BY INTRAMOLECULAR DIELS-ALDER REACTION OF VINYLSULFONAMIDES POSSESSING AN ACYCLIC OR CARBOCYCLIC 1,3-DIENE MOIETY
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STEREOSELECTIVE SYNTHESIS OF gamma-AND delta-SULTAMS BY INTRAMOLECULAR DIELS-ALDER REACTION OF VINYLSULFONAMIDES POSSESSING AN ACYCLIC OR CARBOCYCLIC 1,3-DIENE MOIETY

机译:乙烯基硫代酰胺类化合物具有环状或羧基的1,3-二烯部分的分子间狄尔斯-阿尔德反应的立体选择性合成γ-和-δ-硫

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摘要

A range of novel gamma-and enantiopure delta-sultams was prepared by intramolecular [4+2] cycloaddition of vinylsulfonamides with purely thermal activation and under high pressure.Sultams are useful heterocycles for asymmetric synthesis and medicinal chemistry.Recently developed powerful methodologies for the generation of these cyclic sulfonamides include the intramolecular Diels-Alder reaction,sulfonamide dianion alkylation,radical cyclization,ring closing metathesis,and intramolecular Heck cyclization.
机译:分子内乙烯基磺酰胺的分子内[4 + 2]环加成并具有纯热活化和高压作用,制得了一系列新型的γ-和对映体-δ-异阿马酸。Sultams是有用的杂环,可用于不对称合成和药物化学。这些环状磺酰胺包括分子内Diels-Alder反应,磺酰胺二阴离子烷基化,自由基环化,闭环复分解和分子内Heck环化。

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