Synthesis of the First Representatives of Spiro-1λ6-isothiazolidine-1,1,4-triones
作者:Alexey Dobrydnev、Maria Popova、Nathalie Saffon-Merceron、Dymytrii Listunov、Yulian Volovenko
DOI:10.1055/s-0034-1380434
日期:——
1-aminocyclobutanecarboxylates with methanesulfonyl chloride followed by alkylation with methyl iodide and subsequent cyclization in the presence of potassium tert-butoxide in N,N-dimethylformamide is reported. An efficient synthesis of starting 1-aminocyclopropane- and 1-aminocyclobutanecarboxylic acids was developed. The reaction of spiro[cycloalkane-1,3′-1′λ6-isothiazolidine]-1′,1′,4′-triones with N,N-dimethylformamide
摘要 一种用于螺[环烷烃-1,3'-1'λ构建策略6 -isothiazolidine] -1',1',4'-三酮通过1- aminocyclopropane-和1- aminocyclobutanecarboxylates与甲磺酰氯磺酰化,接着据报道,在N,N-二甲基甲酰胺中,在叔丁醇钾存在下用甲基碘烷基化并随后环化。开发了起始1-氨基环丙烷-和1-氨基环丁烷羧酸的有效合成方法。螺[环烷烃-1,3'-1'λ的反应6 -isothiazolidine] -1',1',4'-三酮与Ñ,Ñ二甲基甲酰胺二甲基缩醛(DMFDMA)给出5' - [(ž) - (二甲基氨基)亚甲基]螺[环烷烃-1,3'-1'λ 6 -isothiazolidine] -1',1',4'-三酮,其结构通过X射线衍射研究证实。 一种用于螺[环烷烃-1,3'-1'λ构建策略6 -isothiazolidine] -1',1',4'-三酮通过1-