Highly Selective Hydrolytic Kinetic Resolution of Terminal Epoxides Catalyzed by Chiral (salen)Co<sup>III</sup> Complexes. Practical Synthesis of Enantioenriched Terminal Epoxides and 1,2-Diols
作者:Scott E. Schaus、Bridget D. Brandes、Jay F. Larrow、Makoto Tokunaga、Karl B. Hansen、Alexandra E. Gould、Michael E. Furrow、Eric N. Jacobsen
DOI:10.1021/ja016737l
日期:2002.2.1
The hydrolytickineticresolution (HKR) of terminal epoxides catalyzed by chiral (salen)Co(III) complex 1 x OAc affords both recovered unreacted epoxide and 1,2-diol product in highly enantioenriched form. As such, the HKR provides general access to useful, highly enantioenriched chiral building blocks that are otherwise difficult to access, from inexpensive racemic materials. The reaction has several
[EN] 2-PYRIDYLOXY-4-ESTER OREXIN RECEPTOR ANTAGONISTS<br/>[FR] COMPOSÉS DE TYPE 2-PYRYDYLOXY-4-ESTER ANTAGONISTES DES RÉCEPTEURS DE L'OREXINE
申请人:MERCK SHARP & DOHME
公开号:WO2014099696A1
公开(公告)日:2014-06-26
The present invention is directed to 2-pyridyloxy-4-ester compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ester compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.
[EN] 2-PYRIDYLOXY-4-ETHER OREXIN RECEPTOR ANTAGONISTS<br/>[FR] ANTAGONISTES 2-PYRIDYLOXY-4-ÉTHER DES RÉCEPTEURS DE L'OREXINE
申请人:MERCK SHARP & DOHME
公开号:WO2014137883A1
公开(公告)日:2014-09-12
The present invention is directed to 2-pyridyloxy-4-ether compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ether compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved..
Dimerization and Isomerization Reactions of α-Lithiated Terminal Aziridines
作者:David M. Hodgson、Philip G. Humphreys、Steven M. Miles、Christopher A. J. Brierley、John G. Ward
DOI:10.1021/jo701901t
日期:2007.12.1
The scope of dimerization and isomerization reactions of α-lithiated terminal aziridines is detailed. Regio- and stereoselective deprotonation of simple terminal aziridines with lithium 2,2,6,6-tetramethylpiperidide (LTMP) or lithium dicyclohexylamide (LiNCy2) generates trans-α-lithiated terminal aziridines. These latter species can then undergo dimerization or isomerization reactions depending on