Issue 15, 1980
From the journal:

Journal of the Chemical Society, Chemical Communications

7b-Methyl-7bH-cyclopent[cd]indene-1,2-dicarboxylic acid, a new 10 π-electron aromatic system; X-ray crystal structure

Thomas L. Gilchrist,   Charles W. Rees,   David Tuddenham  and  David J. Williams  

Abstract

The title compound (2b) and its dimethyl ester (2a) have been synthesised from the cycloadduct of 3-methoxy-3a-methyl-3aH-indene and dimethyl acetylenedicarboxylate; n.m.r. spectra and an X-ray crystallographic analysis of (2b) show that they are aromatic compounds.

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Article information

DOI
https://doi.org/10.1039/C39800000691
Article type
Paper

J. Chem. Soc., Chem. Commun., 1980, 691-692

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7b-Methyl-7bH-cyclopent[cd]indene-1,2-dicarboxylic acid, a new 10 π-electron aromatic system; X-ray crystal structure

T. L. Gilchrist, C. W. Rees, D. Tuddenham and D. J. Williams, J. Chem. Soc., Chem. Commun., 1980, 691 DOI: 10.1039/C39800000691

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