Reactions of distabilized β-dicarbonyl sulfonium and iodonium ylides with isocyanates
作者:Yu. G. Gololobov、I. R. Golding、M. A. Galkina、B. V. Lokshin、I. A. Garbuzova、P. V. Petrovskii、Z. A. Starikova、B. B. Averkiev
DOI:10.1007/s11172-006-0347-3
日期:2006.5
The reactions of tosyl isocyanate with diethyl diphenylsulfuranylidenemalonate, 2-dimethylsulfuranylidenedimedone, and 2-dimethylsulfuranylideneindane-1,3-dione afforded 1,3-ditosyl-5,5-diethoxycarbonylimidazolidine-2,4-dione and tosylimination products at the keto groups, respectively. Phenyliodonium ylides derived from diethyl malonate and ethyl acetate react with 3,4-dichlorophenyl isocyanate to
甲苯磺酰基异氰酸酯与二苯基硫磺基二甲基丙二酸二乙酯、2-二甲基硫磺基二甲基二甲酮和 2-二甲基硫磺基二甲苯基-1,3-二酮的反应分别在酮基处得到 1,3-二甲苯基-5,5-二乙氧基羰基咪唑烷-2,4-二酮和甲苯磺酰基化产物. 衍生自丙二酸二乙酯和乙酸乙酯的苯碘鎓叶立德与 3,4-二氯苯基异氰酸酯反应形成取代的 2-恶唑啉酮。