Journal
TETRAHEDRON
Volume 58, Issue 22, Pages 4487-4492Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(02)00394-0
Keywords
ferrocene alkyne; Sonogashira-Heck-Cassar reaction; annulation; palladium catalyst
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The Sonogashira-Heck-Cassar reaction of ferrocenylacetylene with aryl- and heteroaryl halides was shown to be a facile and convenient route for the synthesis of 1-feffocenyl-2-aryl- and 1-ferrocenyl-2-heteroarylacetylenes in high yields. Additionally, annulation reactions of some of the 1-feffocenylacetylene compounds gave 2-ferrocenyl-2-benzo[b]furan and 2-ferrocenylindoles in good yields. (C) 2002 Published by Elsevier Science Ltd.
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