Abstract:
PRODUCTION OF CYANURIC ACID FROM UREA AND/OR BIURET AT ELEVATED TEMPERATURE USING AN UNSUBSITUTED OR SUBSTITUTED N-CYCLOHEXYLPYRROLIDONE AS SOLVENT.
Abstract:
Manufacture of penta-2,4-dien-1-als comprising the reaction of propargyl alcohols with Alpha -formylcarboxylic esters at temperatures of from 100* to 350* C. Penta-2,4-dien-1-als are odorants.
Abstract:
A process for the production of pent-4-en-1-als which comprises reacting an allyl alcohol with an Alpha -formylcarboxylic ester at a temperature of from 100* to 350*C. Pent-4-en-1-als are perfumes and have a fresh fruity odor.
Abstract:
PRODUCTION OF CARBOXYLIC ESTERS OF 3-FORMYLBUTEN-(3)OL-(1) BY REACTING BISMONOCARBOXYLIC ESTERS OF BUTEN-(2)DIOL-(1,4 WITH CARBON MONOXIDE AND HYDRGEN IN THE PRESENCE OF CARBONYL COMPLEXES OF RHODIUM AT TEMPERATURES OF 50* TO 110*C. AND PRESSURES OF 300 OT 1000 ATMOSPHERES. THE PRODUCTS ARE PERFUMES AND INTERMEDIATES FOR THE MANUFACTURE OF VITAMIN A.
Abstract:
Alkyl substituted alkan-1-al-7-ols and their production by reaction of alk-1-en-6-ols in the presence of rhodium and iridium catalysts with carbon monoxide and hydrogen at from 50*C to 200*C and 100 to 1,500 atmospheres.
Abstract:
MANUFACTURE OF CARBOXYLIC ACID ESTERS OF 3-FORMYLBUTANOL-1 COMPRISING THE CONVERSION OF BIS(MONOCARBOXYLIC ACID ESTERS) OF BUTENE-2-DIOL-1,4 WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF CARBONYL COMPLEXES OF RHODIUM AT TEMPERATURES OF MORE THAN 110*C. TO 150* C. AND PRESSURES OF FROM 150 TO 800 ATMOSPHERES. CARBOXYLIC ACID ESTERS OF 3-FORMYLBUTANOL-1 ARE INTERMEDIATES IN THE MANUFACTURE OF VITAMIN A ESTERS.
Abstract:
New 1-aminomethylindans and methods of producing them. The compounds are distinguished by their pharmacological effectiveness, particularly by their actions of lowering blood pressure and inhibiting inflammation and by their parasympathicolytic and central nervous system stimulating effects.
Abstract:
Process for the electrochemical condensation of carboxylic acids by the electrolysis of monocarboxylic acids, half esters of dicarboxylic acids or aminocarboxylic acids in which current densities of more than 10 amp./dm.2 on vibrating electrode pairs are used, and in which the degree of neutralization of the carboxylic acids is kept below 10 percent, said process providing high space-time yields and a reaction product which can be worked up without difficulty.