Palladium-catalyzed arylation of ethylene. A synthetic route to styrenes, stilbenes, and poly(phenylene vinylene)s

Authors
Kiji, J Okano, T Ooue, A
Citation
J. Kiji et al., Palladium-catalyzed arylation of ethylene. A synthetic route to styrenes, stilbenes, and poly(phenylene vinylene)s, J MOL CAT A, 147(1-2), 1999, pp. 3-10
Citations number
30
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN journal
13811169 → ACNP
Volume
147
Issue
1-2
Year of publication
1999
Pages
3 - 10
Database
ISI
SICI code
1381-1169(19991117)147:1-2<3:PAOEAS>2.0.ZU;2-W
Abstract
Palladium-catalyzed arylation of ethylene (the Heck reaction) was studied u sing (chlorobenzene)Cr(CO)(3) complexes (I) and dibromobenzenes (II). At 10 0 degrees C styrenes and divinylbenzenes were the major products and stilbe nes, and oligo- and poly(phenylene vinylene)s were not formed in the range from 2 to 40 atm of ethylene pressure. At 140 degrees C the polymeric produ cts were formed in low yields. Two-step strategy, which includes coupling r eactions of dihalobenzenes with ethylene and subsequently with divinylbenze nes, was successful in yielding poly(phenylene vinylene)s (PPVs). (C) 1999 Elsevier Science B.V. All rights reserved.