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Synlett 1998; 1998(5): 522-524
DOI: 10.1055/s-1998-1709
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Synthesis of 2H-1-Benzopyrans by Pd-Catalyzed Cyclization of o-Allylic Phenols

Richard C. Larock* , Lulin Wei, Timothy R. Hightower
  • *Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA; Fax (515)294-4660; E-mail: larock@iastate.edu
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Publication History

Publication Date:
31 December 2000 (online)

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Derivatives of 2H-1-benzopyran (1), also known as chromenes, are prominent natural products of many genera of the Asteraceae possessing a wide range of valuable physiological activities. They are also useful intermediates in the synthesis of complex natural products, such as pterocarpans.

2H-1-benzopyrans - palladium(II)-catalysis - cyclization - allylic phenols

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