Back to results
US 12,139,452 B2Granted
Process for the production of retinal
AssigneeDsm IP Assets B.V.
InventorsWerner Bonrath, Marc-André Mueller, Bettina Wuestenberg, Viktor Zimmermann
Life of this patent
Estimating the term…
Abstract
The present invention relates to a new process for the production of retinal or hydrogenated form of retinal.
Claims14
A process for the production of a compound of formula (I):
- wherein the process comprises conducting selective dehydrogenation of a compound of formula (II):
- wherein R is —CHO or —CH2OH,
- wherein the selective dehydrogenation is carried out in the presence of at least one transition metal catalyst.
A compound of formula (II″);
A compound of formula (II″):
A compound of formula (III):
Dependencies are inferred from the claim text.