The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2026
Filed:
Apr. 27, 2020
Symrise Ag, Holzminden, DE;
Amin Minakar, Neustadt an der Weinstrasse, DE;
Michael Backes, Holzminden, DE;
Diego Jaime, Holzminden, DE;
Melvin Huckauf, Holzminden, DE;
SYMRISE AG, Holzminden, DE;
Abstract
The present invention primarily relates to a method for producing a compound of formula (I) and/or a physiologically acceptable salt thereof from vanillylmandelic acid and/or a physiologically acceptable salt thereof. The present invention further relates to the simultaneous use of one or more iodide salt(s) or hydrate(s) thereof, one or more reducing agent(s), one or more inorganic and/or organic acid(s) other than phosphonic acid, and methanol and/or a physiologically acceptable salt thereof or an alcohol of formula (II) as defined herein and/or a physiologically acceptable salt thereof for converting vanillylmandelic acid and/or a physiologically acceptable salt thereof into a compound of formula (I) and/or a physiologically acceptable salt thereof or into a compound of formula (III) as defined herein and/or a physiologically acceptable salt thereof.