[EN] PIPERIDINE DERIVATIVES AS INHIBITORS OF UBIQUITIN SPECIFIC PROTEASE 7<br/>[FR] DÉRIVÉS DE PIPÉRIDINE UTILISÉS COMME INHIBITEURS DE LA PROTÉASE SPÉCIFIQUE DE L'UBIQUITINE 7
申请人:ALMAC DISCOVERY LTD
公开号:WO2018073602A1
公开(公告)日:2018-04-26
The present invention concerns the identification of inhibitors of ubiquitin specific protease 7 (USP7), and methods of use thereof.
Polycarbonate Prepolymer for Solid Phase Polymerization and Process for Producing Polycarbonate
申请人:Ito Mitsunori
公开号:US20080064847A1
公开(公告)日:2008-03-13
A polycarbonate prepolymer for solid state polymerization, which is produced by an oxidative carbonylation reaction of an aromatic dihydroxy compound, a monohydric phenol having a boiling point of 330° C. or below, carbon monoxide and oxygen, the polycarbonate prepolymer being characterized by that (a) a ratio of aryl carbonate groups and hydroxyl groups each constituting terminal groups of the prepolymer is from 2:8 to 8:2, and (b) a molecular weight distribution (Mw/Mn) is from 1.1 to 2.1; and a process of producing polycarbonates including a step of solid state-polymerizing the prepolymer so as to increase the molecular weight thereof. According to the present invention, the prepolymer having a controlled molecular weight distribution suitable for solid state polymerization is provided, and a high quality polycarbonate is efficiently produced in environmentally friend manner.