Studies on 1-carbadethiacephems, part III: synthesis of 2,3-difunctionalised 1-carbadethiacephem derivatives1
作者:C.W. Greengrass、D.W.T. Hoople、M.S. Nobbs
DOI:10.1016/s0040-4039(00)87357-8
日期:1982.1
A novel C(3) chlorination of p-nitrobenzyl 1-carbadethia-2-oxocephem 4-carboxylate 1 with sulphur dichloride is described. Reaction of the resulting 3-chloro-compound 8 with various thiols, and modifications at C(2) provided the title compounds.
描述了一种新型的C(3)对氯硝基甲烷1-carbadethia-2-oxocephem 4-羧酸盐1与二氯化硫的氯化。所得的3-氯化合物8与各种硫醇的反应,以及在C(2)处的修饰提供了标题化合物。