Issue 0, 1973

Tetracycline studies. Part IV. Some novel cyclisations through benzophenone carbanions, including a new synthesis of anthraquinones

Abstract

A tricyclic amide (2) related to 6-methylpretetramid (1), and several anthraquinones, including the natural products emodin (18) and physcion (19), have been synthesised in excellent yield through a base-catalysed ring closure reaction employing appropriately substituted 2-cyanomethyl-2′-methoxybenzophenones. This is a procedure of wide applicability for the synthesis of anthraquinones.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1973, 2853-2861

Tetracycline studies. Part IV. Some novel cyclisations through benzophenone carbanions, including a new synthesis of anthraquinones

C. H. Hassall and B. A. Morgan, J. Chem. Soc., Perkin Trans. 1, 1973, 2853 DOI: 10.1039/P19730002853

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