Back to results
US 10,138,215 B2Granted
Process for preparing ataluren and its intermediates
AssigneeScinoPharm Taiwan, Ltd.
InventorsTsung-Yu Hsiao, Yu-Hui Huang, Wei-Yu Chen
Life of this patent
Estimating the term…
Abstract
The present invention provides processes for the preparation of ataluren. Intermediates for preparing ataluren are also provided.
Claims24
A process for the preparation of ataluren
- the process comprising:
- a) contacting a compound of formula I
- with hydroxylamine to provide a compound of formula II
- and
- b) converting the compound of formula II to provide ataluren;
- wherein:
- R1 and R2 are independently selected from the group consisting of C1-C6 alkyl and C1-C6 acyl;
- or
- R1 and R2 are taken together to form an optionally substituted 5-7 member cyclic acetal.
6 more elements
Dependencies are inferred from the claim text.