Ethanediyl S,S-acetal (1,3-dithiolane) derivatives of 3-oxosteroids, when treated with bromine in anhydrous chloroform at room temperature, undergo ring A aromatization following a dienone-benzene like steroidal skeleton rearrangement that leads to 1,4-dithian fused 4-methylestranes. The easy replacement of the sulphur atoms may afford 4-methylestranes with variously substituted A rings.

Reactivity of ethanediyl S,S-acetals; 5. On the aromatization of the ring A in 3-oxosteroid derivatives R. Caputo; C. Ferreri; G. Palumbo; S. Pedatella; F. Russo / R., Caputo; C., Ferreri; Palumbo, Giovanni; S., Pedatella; F., Russo. - In: HETEROCYCLES. - ISSN 0385-5414. - STAMPA. - 36:2(1993), pp. 281-286. [10.3987/COM-92-6144]

Reactivity of ethanediyl S,S-acetals; 5. On the aromatization of the ring A in 3-oxosteroid derivatives R. Caputo; C. Ferreri; G. Palumbo; S. Pedatella; F. Russo

PALUMBO, GIOVANNI;
1993

Abstract

Ethanediyl S,S-acetal (1,3-dithiolane) derivatives of 3-oxosteroids, when treated with bromine in anhydrous chloroform at room temperature, undergo ring A aromatization following a dienone-benzene like steroidal skeleton rearrangement that leads to 1,4-dithian fused 4-methylestranes. The easy replacement of the sulphur atoms may afford 4-methylestranes with variously substituted A rings.
1993
Reactivity of ethanediyl S,S-acetals; 5. On the aromatization of the ring A in 3-oxosteroid derivatives R. Caputo; C. Ferreri; G. Palumbo; S. Pedatella; F. Russo / R., Caputo; C., Ferreri; Palumbo, Giovanni; S., Pedatella; F., Russo. - In: HETEROCYCLES. - ISSN 0385-5414. - STAMPA. - 36:2(1993), pp. 281-286. [10.3987/COM-92-6144]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/475460
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