Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Synthesis of Biphenyls by Acid-Catalyzed Condensation Reactions of 1-Oxaspiro [4.5] deca-6, 9-diene-2, 8-dione with Phenols or Phenol-ethers
TETSUYA TAKEYATORU OKUBOEISHO TOBINAGA
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1987 Volume 35 Issue 5 Pages 1762-1769

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Abstract
Acid catalyzed condensation reactions of 1-oxaspiro [4.5] deca-6, 9-diene-2, 8-dion (1) (quinollactone) with phenols and phenol-ethers 2a-i to yield biphenyls 3a-i and 4a-f were found to proceed by an elimination-addition mechanism.
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© The Pharmaceutical Society of Japan
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