Synthesis of 1,2,5-thiadiazolidin-3-one 1,1-dioxides: x-ray structure determination of 4,4-diphenyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide
作者:Jack W. Timberlake、Warren J. Ray、Edwin D. Stevens、Cheryl L. Klein
DOI:10.1021/jo00285a035
日期:1989.11
TIMBERLAKE, JACK W.;RAY, WARREN J. (JR);STEVENS, EDWIN D.;KLEIN, CHERYL L+, J. ORG. CHEM., 54,(1989) N4, C. 5824-5826
作者:TIMBERLAKE, JACK W.、RAY, WARREN J. (JR)、STEVENS, EDWIN D.、KLEIN, CHERYL L+
DOI:——
日期:——
An improved procedure for the synthesis of 4,4-disubstituted-3-oxo-1,2,5-thiadiazolidine 1,1 -dioxides
作者:Zejun Xiao、Jack W. Timberlake
DOI:10.1002/jhet.5570370418
日期:2000.7
An improvedsynthesis for the preparation of 3-oxo-1,2,5-thiadiazolidine 1,1-dioxides has been developed. This facile two-step procedure fromα-amino acid esters and chlorosulfonyl isocyanate results in excellent yields of products.