AN EFFICIENT SYNTHESIS OF QUINOLONES USING N-PHENYL(TRIPHENYLPHOSPHORANYLIDENE)ETHENIMINE

Citation
P. Kumar et al., AN EFFICIENT SYNTHESIS OF QUINOLONES USING N-PHENYL(TRIPHENYLPHOSPHORANYLIDENE)ETHENIMINE, Tetrahedron letters, 35(49), 1994, pp. 9229-9232
Citations number
17
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
35
Issue
49
Year of publication
1994
Pages
9229 - 9232
Database
ISI
SICI code
0040-4039(1994)35:49<9229:AESOQU>2.0.ZU;2-U
Abstract
The acylphosphoranes 5 formed in a highly selective and sequential man ner from the reaction of N-substituted anthranilic acids 1 and N-pheny l(triphenylphosphoranylidene)ethemine ethenimine 2 undergo intramolecu lar Wittig cyclization on the imide carbonyl to afford the pyrrolo- an d pyrido[1,2-a]quinolones 6 in moderate to good yields.