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:
Feb. 25, 2020
Filed:
Feb. 16, 2017
Advanced Biodesign, Saint Priest, FR;
Patrice Rool, Riom, FR;
Benoit De Carne-Carnavalet, Riom, FR;
ADVANCED BIODESIGN, Saint Priest, FR;
Abstract
A process for preparing aminothiol ester compounds and salts thereof. The present invention relates to a process for preparing compounds of formula (I), (I) comprising the following steps: a) reacting a compound of formula (II) with an inorganic acid or an organic acid, (II) b) reacting the compound obtained in step a) with a base; c) reacting the compound obtained in step b) with CO; d) reacting the compound obtained in step c) with an alkyl chloroformate, a reagent capable of forming, with the compound obtained in step c), an acid halide, or a reagent capable of forming, with the compound obtained in step c), a mixed anhydride; e) reacting the compound obtained in step d) with an SMe anion precursor compound.