Process for the preparation of 13.beta.-alkyl-4-gonene-3,17-dion

Details Process for the preparation of 13.beta.-alkyl-4-gonene-3,17-dion Process for the preparation of 13.beta.-alkyl-4-gonene-3,17-dion

1975-10-10

1977-05-17

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603092, 2603407, 2603409, 2603974, 260456NS, 260586F, C07J 100

Patent

active

040241661

ABSTRACT:
Novel process for the preparation of 13.beta.-alkyl-4-gonene-3,17-diones of the formula ##STR1## wherein R.sub.1 is methyl or ethyl, consists of REACTING A 7A.beta.-ALKYL,5,6,7,7A-TETRAHYDROINDANE-1,5-DIONE WITH FORMALDEHYDE AND AN ARYLSULFINIC ACID OR AN ADDUCT OF FORMALDEHYDE AND ARYLSULFINIC ACID TO PRODUCE A TETRAHYDROINDANE DERIVATIVE;

REFERENCES:
patent: 3927031 (1975-12-01), Hajos
patent: 3929876 (1975-12-01), Hajos

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