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Issue 15, 1980
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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

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 type: Paper
DOI: 10.1039/C39800000691
Citation: J. Chem. Soc., Chem. Commun., 1980,0, 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, 0, 691
    DOI: 10.1039/C39800000691

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