NOUVEAU SULFOLENES, LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION

New sulpholene derivatives and more particularly 4,4-dimethyl-2,2-dioxo-1,2,4,5,6,7-hexahydrobenzo[c]thiophene. These derivatives are prepared by bringing myrcene sulphone into contact with a strong acid. The derivatives of the present invention are employed as synthesis intermediates in the prepara...

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Bibliographic Details
Main Author DUCHESNE JEAN-PIERRE
Format Patent
LanguageFrench
Published 10.06.1994
Edition5
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:New sulpholene derivatives and more particularly 4,4-dimethyl-2,2-dioxo-1,2,4,5,6,7-hexahydrobenzo[c]thiophene. These derivatives are prepared by bringing myrcene sulphone into contact with a strong acid. The derivatives of the present invention are employed as synthesis intermediates in the preparation of vitamin A.
Bibliography:Application Number: FR19900002724