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Issue 0, 1974
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Studies in terpenoids. Part XXX. Synthesis of pterosin E, a sesquiter-penoid from bracken

Abstract

Pterosin E (2,5,7-trimethyl-1-oxoindan-6-ylacetic acid)(Ia), a naturally occurring sesquiterpenoid has been synthesized starting from α-bromomesitylene (IIIa). Alkylation of diethyl methylmalonate with (IIIa) gave the diester (IIIb) which was converted into the cyanomethyl diester (IVb). Hydrolysis of (IVb) to the dicarboxylic acid (V) followed by its cyclodehydration gave pterosin E.

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Article type: Paper
DOI: 10.1039/P19740000317
J. Chem. Soc., Perkin Trans. 1, 1974, 317-319

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    Studies in terpenoids. Part XXX. Synthesis of pterosin E, a sesquiter-penoid from bracken

    M. E. N. Nambudiry and G. S. K. Rao, J. Chem. Soc., Perkin Trans. 1, 1974, 317
    DOI: 10.1039/P19740000317

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