PIPERIDINE AND PIPERAZINE DERIVATIVES AS AUTOTAXIN INHIBITORS
申请人:Merck Patent GmbH
公开号:EP2414330A2
公开(公告)日:2012-02-08
[EN] PIPERIDINE AND PIPERAZINE DERIVATIVES AS AUTOTAXIN INHIBITORS<br/>[FR] DÉRIVÉS DE PIPÉRIDINE ET DE PYRAZINE COMME INHIBITEURS DE L'AUTOTAXINE
申请人:MERCK PATENT GMBH
公开号:WO2010115491A2
公开(公告)日:2010-10-14
The present invention relates to piperidine and pyrazine derivatives according to formulae (Ia), (Ib) and (II) as autotaxin inhibitors and the use of such compounds for the treatment and/or prophylaxis of physiological and/or pathophysiological conditions, which are caused, mediated and/or propagated by increased lysophosphatic acid levels and/or the activation of autotaxin, in particular of different cancers.
Selective cleavage of 3,5-bis-(trifluoromethyl)benzylcarbamate by SmI2–Et3N–H2O
作者:Tobias Ankner、Anna Said Stålsmeden、Göran Hilmersson
DOI:10.1039/c3cc41642a
日期:——
A novel electron poor protection group for amines has been developed. It undergoes rapid cleavage by SmI2-Et3N-H2O and its orthogonality towards the regular benzyl carbamate group (CBz) under reductive or transfer hydrogenolytic conditions is reported.