Synthesis of dixanthates, dithiocarbonyl disulfides, and 1,3-oxathiolane-2-thione from diols and carbon disulfide: Model chemistry for Poly(disulfide) synthesis
作者:Antoaneta Tarpanova、Sarwar Malik、Devora Lichtman、Yisrael Wallach、Joshua A. Mukhlall、William H. Hersh
DOI:10.1016/j.tet.2023.133302
日期:2023.3
¯SC(S)O-(CH2CH2)n-OC(S)S¯ K+ (n = 1,2) on a ∼10 g scale in 50–62% yield. Synthesis of the related monoxanthate alcohols K+ ¯SC(S)O-(CH2CH2)n-OH (n = 1,2) followed by oxidative dimerization gave disulfide dimers (HO-(CH2CH2)n-OC(S)S)2 (n = 1, 2) representing structures of the simplest units of a polymer chain. Oxidation of the ethylene glycol dixanthate gave the known heterocycle 1,3-oxathiolane-2-thione.
沿聚合物链具有二硫键的聚合物引起了人们的兴趣,其用途从自愈聚合物到将寡核苷酸递送至细胞。将二硫化碳掺入单体可能为聚(二硫化物)提供一条新途径。使用 KOH 和 CS 2从 1,2-乙二醇和 1,4-丁二醇合成此类单体得到相应的二黄原酸酯单体 K + ¯SC(S)O-(CH 2 CH 2 ) n -OC(S)S¯ K + (n = 1,2) 在 ∼10 g 规模上,产率为 50–62%。相关单黄原酸酯醇的合成 K + ¯SC(S)O-(CH 2 CH 2 ) n-OH (n = 1,2) 随后氧化二聚得到二硫化物二聚体 (HO-(CH 2 CH 2 ) n -OC(S)S) 2 (n = 1, 2) 代表聚合物最简单单元的结构链。乙二醇二黄原酸酯的氧化得到已知的杂环 1,3-oxathiolane-2-thione。