The present invention relates to novel compounds of the general formula (I), their tautomeric forms, their stereoisomers, their pharmaceutically acceptable salts, pharmaceutical compositions containing them, methods for their preparation, use of these compounds in medicine and the intermediates involved in their preparation.
Trifluoromethylation of heterocumulenes with trimethyl(trifluoromethyl)silane in the presence of fluoride ions: synthesis of trifluoroacetamides and trifluorothioacetamides from isocyanates and isothiocyanates
作者:Nataliya V Kirij、Yurii L Yagupolskii、Nataliya V Petukh、Wieland Tyrra、Dieter Naumann
DOI:10.1016/s0040-4039(01)01764-6
日期:2001.11
Trimethyl(trifluoromethyl)silane reacts in the presence of fluoride ions with isocyanates and isothiocyanates under mild conditions to give corresponding trifluoroacetamides and trifluorothioacetamides in high yields.
The present invention relates to novel compounds of the general formula (I), their tautomeric forms, their stereoisomers, their pharmaceutically acceptable salts, pharmaceutical compositions containing them, methods for their preparation, use of these compounds in medicine and the intermediates involved in their preparation.