SYNTHESIS OF 2-[(3-AMINOALKYL OR 3-BROMOALKYL)AMINO]-4H-1-BENZOPYRAN-4-ONE DERIVATIVES

Citation
E. Sottofattori et al., SYNTHESIS OF 2-[(3-AMINOALKYL OR 3-BROMOALKYL)AMINO]-4H-1-BENZOPYRAN-4-ONE DERIVATIVES, Tetrahedron letters, 36(8), 1995, pp. 1331-1332
Citations number
6
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
36
Issue
8
Year of publication
1995
Pages
1331 - 1332
Database
ISI
SICI code
0040-4039(1995)36:8<1331:SO2O3>2.0.ZU;2-D
Abstract
The title compounds were advantageously synthesized from 2-(dialkylami no)chromones and 1,3-diaminopropane (or 1-amino-3-bromopropane) by ami ne exchange. The 3-cyano derivatives 5 were directly prepared from 2-( dimethylamino)chromones 1 and KCN by nitro displacement.