Intramolecular cyclization of N-alkoxyl amines are studied for the stereoselective preparation of 2, 4-disubstituted pyrrolidine derivatives. Reduction of oxime
Esterification of carboxylic acid with equimolar amount alcohol can be efficiently catalyzed by biphasic 4-(benzylamino) formoyldiphenylammonium triflate (BDPAT
Asymmetric hydrogenation of (6-methoxyl-2-naphthyl)-2-acrylic acid catalyzed by cinchona modified Pd(0)-α-FeOOH was reported and ee's of (S)-(+)-2-(6′-met
The reactions of 3,7-dinitrodibenzobromolium salt with some amines were studied. A reaction mechanism based on the structure of the major product 6 and the mino