Title of article :
Diastereoselective 1,3-dipolar cycloadditions of new azomethine ylides derived from trifluorothioacetamides or cyanothioformamides
Author/Authors :
Frédéric Laduron، نويسنده , , Heinz G Viehe، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2002
Abstract :
Deprotonation of trifluoromethyl or cyano thioamidium salts generates new azomethine ylides which undergo cycloaddition to dipolarophiles with high diastereoselectivity. Epimerisation, hydrolysis and reduction of the new trifluoromethylated heterocycles are also described.
Keywords :
thioamides , thioamidium salts , Trifluoromethyl , pyrrolizidines , azomethine ylides
Journal title :
Tetrahedron
Journal title :
Tetrahedron
