STEREOSELECTIVE SYNTHESIS OF POLYENES VIA HECK COUPLING OF VINYLBORONATE ESTERS

Authors
STEWART SK WHITING A
Citation
Sk. Stewart et A. Whiting, STEREOSELECTIVE SYNTHESIS OF POLYENES VIA HECK COUPLING OF VINYLBORONATE ESTERS, Tetrahedron letters, 36(22), 1995, pp. 3925-3928
Citations number
12
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
36
Issue
22
Year of publication
1995
Pages
3925 - 3928
Database
ISI
SICI code
0040-4039(1995)36:22<3925:SSOPVH>2.0.ZU;2-2
Abstract
E- and Z-1-alkenyl iodides react with vinylboronate pinacol ester 1 un der palladium(0) catalysed, Heck conditions to provide polyenylboronat es in moderate yields after purification. The addition of either silve r(I) or thallium(I) salts to the reaction mixture is essential Alkenyl bromides are unreactive under identical reaction conditions.