Oa. Attanasi et al., 1-AMINO-2-CHLOROMETHYLENE-2,3-DIHYDROPYRROLES BY UNUSUAL REACTION OF CONJUGATED AZOALKENES WITH 2-CHLORO-1,3-DICARBONYL COMPOUNDS, Tetrahedron letters, 38(5), 1997, pp. 873-874
New 1-amino-2-chloromethylene-2-,3-dihydropyrroles, preduminantly as E
isomers, have been obtained in good yields and under mild conditions
by the sodium hydride catalyzed reaction or some conjugated azoalkenes
with 2-chloro-1,3-dicarbonyl compounds. (C) 1997, Elsevier Science Lt
d.