Manufacture of C13 higher fatty acids from their esters by carbonylation of dodecene-1 in ionic liquid medium
摘要:
The effect of catalyst nature, temperature, acidity, promoters, and feedstock composition on dodecene-1 carbonylation in the presence of Pd compounds in an ionic liquid medium yielding higher fatty acid and their esters was studied. Palladium salts without phosphine ligands show high activity in tetrabutylammonium bromide. In systems of this kind, the catalyst is suspended in the reaction mass in the form of Pd particles with a size of 4-10 nm. It was shown that the catalytic system can be repeatedly used without loss of activity. It is acceptable to use synthesis gas instead of bare carbon monoxide with the selectivity for tride-canoic acid increasing.
ISOPENTYLESTER ZUR VERWENDUNG IN KOSMETISCHEN, DERMATOLOGISCHEN ODER PHARMAZEUTISCHEN KOMPOSITIONEN
申请人:Evonik Degussa GmbH
公开号:EP2691157A2
公开(公告)日:2014-02-05
[DE] ISOPENTYLESTER ZUR VERWENDUNG IN KOSMETISCHEN, DERMATOLOGISCHEN ODER PHARMAZEUTISCHEN KOMPOSITIONEN<br/>[EN] ISOPENTYL ESTERS FOR THE USE IN COSMETIC, DERMATOLOGICAL, OR PHARMACEUTICAL COMPOSITIONS<br/>[FR] ESTERS D'ISOPENTYLE À UTILISER DANS DES COMPOSITIONS COSMÉTIQUES, DERMATOLOGIQUES OU PHARMACEUTIQUES
申请人:EVONIK GOLDSCHMIDT GMBH
公开号:WO2012130820A2
公开(公告)日:2012-10-04
Gegenstand der Erfindung sind die Ester einer Mischung aus 2-Methyl-1-butanol und 3-Methyl-1-butanol und deren Verwendung zur Herstellung von Formulierungen.