Preparation and cyclization of 4-chloro-5,5-dimethyl-3-formyl-1,2-oxathiolene 2,2-dioxide
作者:Li Tian、Lun-Zu Liu
DOI:10.1002/hc.20094
日期:——
Chloroformylation of 5,5-dimethyl-1,2- oxathiolan-4-one 2,2-dioxide 4 with Vilsmeier reagent (DMF/POCl3) led to the formation of cyclic β-chloro-vinylaldehyde (4-chloro-5,5-dimethyl-3-formyl-1,2-oxathiolene 2,2-dioxide 5). Compound 5 reacted with formamidine, o-aminophenol, 1,2-phenylenediamine, aminopyrazole, and aminotetrazole to give the corresponding heterocyclic compounds. © 2005 Wiley Periodicals
5,5-二甲基-1,2-oxathiolan-4-one 2,2-dioxide 4 与 Vilsmeier 试剂 (DMF/POCl3) 的氯甲酰化导致形成环状 β-氯乙烯醛 (4-chloro-5,5 -二甲基-3-甲酰基-1,2-oxathiolene 2,2-二氧化物 5)。化合物5与甲脒、邻氨基苯酚、1,2-苯二胺、氨基吡唑和氨基四唑反应生成相应的杂环化合物。© 2005 Wiley Periodicals, Inc. 杂原子化学 16:200–204, 2005; 在线发表于 Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002/hc.20094