Issue 0, 1973

Rearrangement reactions of bicyclic systems. Part I. Synthesis of a model compound related to flavothebaone trimethyl ether. The abnormal ultraviolet absorption spectrum of flavothebaone and its trimethyl ether

Abstract

3,6-Dimethoxybenzenediazonium-2-carboxylate decomposed to 3,6-dimethoxybenzyne (8), which reacted with veratrole to form 1,5,8-trimethoxy-1.4-etheno-2-tetralone (9) in 40% yield. Reduction, and acid-catalysed rearrangement of the resulting exo-alcohol (10). afforded 5,9-dihydro-1,4-dimethoxy-5,9-methanobenzocyclo-hepten-6-one (7). The u.v. spectrum of compound (7) is entirely analogous to that of flavothebaone trimethyl ether (3).

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1973, 1840-1843

Rearrangement reactions of bicyclic systems. Part I. Synthesis of a model compound related to flavothebaone trimethyl ether. The abnormal ultraviolet absorption spectrum of flavothebaone and its trimethyl ether

H. Heaney, J. H. Hollinshead, G. W. Kirby, S. V. Ley, R. P. Sharma and K. W. Bentley, J. Chem. Soc., Perkin Trans. 1, 1973, 1840 DOI: 10.1039/P19730001840

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