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Synthesis 1987; 1987(3): 254-256
DOI: 10.1055/s-1987-27905
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Benzocyclization of 2,4-Hexadienoic Acids. Synthesis of (R)-(-)-Curcuphenol Acetate

D. Murali* , G. S. Krishna Rao
  • *Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
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Publication Date:
12 September 2002 (online)

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A simple and general benzocyclization sequence, useful in the conversion of α-methylene ketones/aldehydes 1a-f to phenolic acetates 6a-g via the dienoic acids 5a-g is presented. The technique has provided a new route to the terpenoids, thymol acetate (6f) and (R)-(-)-curcuphenol acetate (6g).