机译:Formation of five- and six-membered nitrogen-containing heterocycles on the basis of hydrazones derived from alpha-dicarbonyl compounds (microreview)
机译:Two approaches toward the regio- and stereoselective synthesis of N-unsubstituted 3-aryl-4-(trifluoromethyl)-4H-spiro-chromeno3,4-cpyrrolidine-1,3 '-oxindoles