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:
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:
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.