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Synthesis 2007(3): 464-477
DOI: 10.1055/s-2006-958949
DOI: 10.1055/s-2006-958949
FEATUREARTICLE
© Georg Thieme Verlag Stuttgart · New York
The Photo-Dehydro-Diels-Alder (PDDA) Reaction - A Powerful Method for the Preparation of Biaryls
Further Information
Publication History
Received
2 August 2006
Publication Date:
14 December 2006 (online)


Abstract
The photochemically initiated dehydro-Diels-Alder (PDDA) reaction is an efficient and versatile method for the preparation of biaryls. The ring closure may take place both inter- and intramolecularly, of which the intramolecular variant is more productive from the preparative point of view. A variety of linkers can be employed to connect the ynone moiety, which acts as the chromophore, with another acetylene group, thus allowing large structural versatility. Principles influencing the site selectivity of the PDDA reaction will also be discussed here.
Key words
photochemistry - biaryls - alkynes - photo-dehydro-Diels-Alder reaction - cyclizations