abstract |
The present invention provides a process for preparing 1,2-diheteroethylene sulfonamide of the formula: ##STR1## by reacting a pyrimidine monohalide of the formula: ##STR2## with a mono-protected 1,2-diheteroethylene anion of the formula M 1 XCH 2 CH 2 YR 5 and removing the protecting group, wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , Z, X, Y, M, M 1 and W are defined herein. |