Process for the preparation of diarylsulfides or diaryselenides

Details Process for the preparation of diarylsulfides or diaryselenides Process for the preparation of diarylsulfides or diaryselenides

C - Chemistry, Metallurgy

07

D

260/243, 260/644

C07D 279/20 (2006.01) C07D 293/10 (2006.01) C07D 513/04 (2006.01) C07F 9/28 (2006.01)

Patent

CA 1321584

PRECIS DE LA DIVULGATION: L'invention concerne un procédé de préparation de diarylsulfures ou de diarylsélénures de formules générales: Ar - X - Ar X = S ou Se et Ar = aryle par action du soufre et du dioxyde de soufre ou du sélénium et du dioxyde de sélénium sur un produit de formule: Ar - H L'invention concerne en outre l'application de ce procédé à la préparation des phénothiazines de formule: Image (X = S ou Se et Z et Z1, identiques ou différents = hydrogène, halogène, alkyle, alkoxy).

608612

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