PREPARATION OF DAMASCENONE

A novel method of preparing 1-crotonoyl-2,6,6-trimethylcyclohexa-1,3-diene comprises treating an ester of the formula with a proton acid under essentially anhydrous conditions. The method involves the use of certain new substituted 2,6,6-trimethylcyclohexane derivatives.

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Bibliographische Detailangaben
1. Verfasser:	LUMBERTUS ALBREGT HULSHOF
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES APPARATUS THEREFOR CANDLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CIGARETTES CIGARS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETERGENT COMPOSITIONS DETERGENTS ELECTRICITY FATTY ACIDS THEREFROM FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J GENERAL METHODS OF ORGANIC CHEMISTRY GENERATION HUMAN NECESSITIES INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL RECOVERY OF GLYCEROL RESIN SOAPS SMOKERS' REQUISITES SNUFF SOAP OR SOAP-MAKING THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TOBACCO TRANSPORTING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	A novel method of preparing 1-crotonoyl-2,6,6-trimethylcyclohexa-1,3-diene comprises treating an ester of the formula with a proton acid under essentially anhydrous conditions. The method involves the use of certain new substituted 2,6,6-trimethylcyclohexane derivatives.