I<sub>2</sub>-DMSO Promoted Deaminative Coupling Reactions of Glycine Esters: Access to 5-(Methylthio)pyridazin-3(2<i>H</i>)-ones
作者:Showkat Ahmad Bhat、Mohammad Yaqoob Bhat、Suhail Ahmad Rather、Salman Jameel、Khursheed Ahmad Bhat、Qazi Naveed Ahmed
DOI:10.1021/acs.orglett.3c00306
日期:——
An unprecedented, one-step strategy for the synthesis of 5-(methylthio)pyridazin-3(2H)-one derivatives has been developed through iodine triggered deaminative coupling of glycine esters with methyl ketones and hydrazine hydrate in DMSO. These transformations in the absence of hydrazine helped to generate different 3-methylthio-4-oxo-enoates in good yields. Notably, DMSO played multiple roles such as
通过碘引发的甘氨酸酯与甲基酮和水合肼在 DMSO 中的脱氨偶联,开发了一种前所未有的一步合成 5-(甲硫基)哒嗪-3(2 H )-酮衍生物的策略。在不存在肼的情况下,这些转化有助于以良好的收率生成不同的 3-methylthio-4-oxo-enoates。值得注意的是,DMSO 具有多种作用,例如氧化剂、甲基硫醇化试剂和溶剂。