[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF LIFITEGRAST OR SALTS THEREOF<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE LIFITEGRAST OU DE SELS DE CELUI-CI
申请人:CIPLA LTD
公开号:WO2019097547A1
公开(公告)日:2019-05-23
Disclosed herein is an improved process for the synthesis of lifitegrast or salts thereof with high yields and purity and its use in the therapy.
本文披露了一种改进的合成lifitegrast或其盐的工艺,其产率和纯度较高,并可用于治疗。
[EN] PROCESSES FOR PREPARATION OF LIFITEGRAST AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉS DE PRÉPARATION DE LIFITEGRAST ET DE SES INTERMÉDIAIRES
申请人:DR REDDYS LABORATORIES LTD
公开号:WO2019026014A1
公开(公告)日:2019-02-07
The present invention provides process for preparation of lifitegrast, amine salts of lifitegrast, process for preparation of amine salts of lifitegrast and their use in purification of lifitegrast, and also provided are process for preparation of amorphous lifitegrast and pharmaceutical compositions comprising lifitegrast prepared by the processes of the present invention.
The present invention provides compounds having formula (I):
and pharmaceutically acceptable derivatives thereof, wherein R
1
-R
4
, n, p, A, B, D, E, L and AR
1
are as described generally and in classes and subclasses herein, and additionally provides pharmaceutical compositions thereof, and methods for the use thereof for the treatment of disorders mediated by the CD11/CD18 family of cellular adhesion molecules (e.g., LFA-1).
The present invention provides compounds having formula (I):
and pharmaceutically acceptable derivatives thereof, wherein R
1
-R
4
, n, p, A, B, D, E, L and AR
1
are as described generally and in classes and subclasses herein, and additionally provides pharmaceutical compositions thereof, and methods for the use thereof for the treatment of disorders mediated by the CD11/CD18 family of cellular adhesion molecules (e.g., LFA-1).