A Convenient Preparation of Diaryl-2,6 Thiopyrylium Perchlorates. Positive Salt Effect

1 June 1984

journal article
research article
Published by Taylor & Francis in Synthetic Communications

Vol. 14 (8) , 775-778
https://doi.org/10.1080/00397918408059594

Abstract

Heterocyclisation of aromatique δ-diketones with P₄S₁₀ in acetic acid leads to diaryl-2,6 thiopyrylium salts. Furthermore, increased yields are obtained in the presence of alkali perchlorates.

Keywords

CONVENIENT PREPARATION
DIARYL
THIOPYRYLIUM PERCHLORATES
DIKETONES
SALT EFFECT
POSITIVE SALT
ACID LEADS

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