Preparation of compounds of the 4-oxodamascone series, and novel

Details Preparation of compounds of the 4-oxodamascone series, and novel Preparation of compounds of the 4-oxodamascone series, and novel

1984-03-12

1985-10-29

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568347, 568378, 568341, 560259, C07C 4542

Patent

active

045502110

ABSTRACT:
Process for the preparation of the compounds of the formulae Ia and Ib ##STR1## wherein A. 2,4,4-trimethylcyclohex-2-en-1-one oxime of the formula IIb ##STR2## is treated with a strong aqueous acid at from 30.degree. to 80.degree. C., preferably 40.degree. to 70.degree. C.,

REFERENCES:
patent: 3927107 (1975-12-01), Schulte-Elte et al.
patent: 3957877 (1976-05-01), Schulte-Elte et al.
patent: 4358614 (1982-11-01), Janitschke et al.
Lowenthol, "Protective Groups in Organic Chem.", pp. 341-343, (1973).
J. March, "Advanced Organic Chemistry", Second Edition, 1977, p. 1082.
Houben-Weyl, "Methoden der Organischen Chemie", 10, (Part 4), p. 268, Stickstoffverbindungen I.
Fieser et al., "Reagents for Organic Synthesis", 1, p. 958.

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