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Synthesis 2009(4): 609-619
DOI: 10.1055/s-0028-1083352
DOI: 10.1055/s-0028-1083352
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Synthesis of anti-2,7-Disubstituted Norbornadienes
Further Information
Publication History
Received
6 August 2008
Publication Date:
02 February 2009 (online)


Abstract
Synthesis of a variety of anti-2,7-disubstituted norbornadienes was achieved by palladium- and iron-catalyzed cross-coupling reactions of the anti-tert-butoxynorbornadien-2-yl triflate. While the palladium-catalyzed coupling reactions could only generate coupling products with aryl and alkynyl groups, the iron-catalyzed coupling reactions have a much broader scope and provide efficient synthesis of anti-2,7-disubstituted norbornadienes with attached primary, secondary and tertiary alkyl groups, cycloalkyl groups with various ring sizes, as well as vinyl, aryl and alkynyl groups.
Key words
bicyclic compounds - cross-coupling - catalysis - palladium - iron