[EN] NOVEL PROCESS FOR THE PREPARATION OF 4-[(1-HYDROXY-1,3-DIHYDRO-2,1-BENZOXABOROL-5-YL) OXY] BENZONITRILE (CRISABOROLE) [FR] PROCÉDÉ DE PRÉPARATION DE 4-[(1-HYDROXY-1,3-DIHYDRO-2,1-BENZOXABOROL-5-YL)OXY]BENZONITRILE (CRISABOROLE)
[EN] NOVEL PROCESS FOR THE PREPARATION OF 4-[(1-HYDROXY-1,3-DIHYDRO-2,1-BENZOXABOROL-5-YL) OXY] BENZONITRILE (CRISABOROLE) [FR] PROCÉDÉ DE PRÉPARATION DE 4-[(1-HYDROXY-1,3-DIHYDRO-2,1-BENZOXABOROL-5-YL)OXY]BENZONITRILE (CRISABOROLE)
[EN] PROCESS FOR THE PREPARATION OF 5-(4-CYANOPHENOXY)-1,3-DIHYDRO-1-HYDROXY-[2,1]-BENZOXABOROLE AND POLYMORPHS THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 5-(4-CYANOPHÉNOXY)-1,3-DIHYDRO-1-HYDROXY- [2,1]-BENZOXABOROLE ET SES POLYMORPHES
申请人:MSN LABORATORIES PRIVATE LTD R&D CENTER
公开号:WO2018216032A1
公开(公告)日:2018-11-29
The present invention relates to process for the preparation of 5-(4-cyano phenoxy)-1,3-dihydro-1-hydroxy-[2, 1]-benzoxaborole represented by the following structural formula- 1 and polymorphs thereof. The present invention also relates to salts of 5-(4-cyano phenoxy)-1,3-dihydro-1-hydroxy-[2,1]-benzoxaborole and process for their preparation and their use in the preparation of pure compound of the formula- 1.
Process for the preparation of 5-(4-cyanophenoxy)-1,3-dihydro-1-hydroxy-[2,1]-benzoxaborole and polymorphs thereof
申请人:MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
公开号:US10865217B2
公开(公告)日:2020-12-15
The present invention relates to process for the preparation of 5-(4-cyano phenoxy)-1,3-dihydro-1-hydroxy-[2,1]-benzoxaborole represented by the following structural formula-1 and polymorphs thereof. The present invention also relates to salts of 5-(4-cyano phenoxy)-1,3-dihydro-1-hydroxy-[2,1]-benzoxaborole and process for their preparation and their use in the preparation of pure compound of the formula-1.