CONSECUTIVE MICHAEL-ADDITION-OLEFINATION SEQUENCES WITH CR(CO)(3)-COMPLEXED ARYL ALLENYLPHOSPHONATES - AN EFFICIENT SYNTHESIS OF HETEROCYCLIC SUBSTITUTED ARENE COMPLEXES

Authors
MULLER TJJ ANSORGE M
Citation
Tjj. Muller et M. Ansorge, CONSECUTIVE MICHAEL-ADDITION-OLEFINATION SEQUENCES WITH CR(CO)(3)-COMPLEXED ARYL ALLENYLPHOSPHONATES - AN EFFICIENT SYNTHESIS OF HETEROCYCLIC SUBSTITUTED ARENE COMPLEXES, Tetrahedron, 54(8), 1998, pp. 1457-1470
Citations number
14
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron → ACNP
ISSN journal
00404020
Volume
54
Issue
8
Year of publication
1998
Pages
1457 - 1470
Database
ISI
SICI code
0040-4020(1998)54:8<1457:CMSWC>2.0.ZU;2-0
Abstract
The Michael-Addition of 1,2 and 1,3-difunctional carbonyl compounds 6 to Cr(CO)(3)-complexed aryl allenylphosphonates 5 followed by an intra molecular Homer-Emmons-Wadsworth olefination in boiling THF gives rise to arene Cr(CO)(3) substituted heterocycles 7 in moderate to good yie lds. (C) 1998 Elsevier Science Ltd. All rights reserved.