Synthesis of N-substituted 2-alkyl-3-amino-3-cyclopenten-1-ones

Article abstract of DOI:10.1055/s-1991-26392

Several 2-alkyl-3-amino-2-cyclopenten-1-ones are prepared in 45-92% yield from 2-alkyl-1,3-cyclopentanediones and a slight excess of an equimolar mixture of various primary and secondary amines and acetic or propionic acid in boiling toluene.