Prodrugs of GABA analogs, compositions and uses thereof
申请人:Gallop A. Mark
公开号:US20060229361A1
公开(公告)日:2006-10-12
The present invention provides prodrugs of GABA analogs, pharmaceutical compositions of prodrugs of GABA analogs and methods for making prodrugs of GABA analogs. The present invention also provides methods for using prodrugs of GABA analogs and methods for using pharmaceutical compositions of prodrugs of GABA analogs for treating or preventing common diseases and/or disorders.
Tandem Hydroformylation/Acyloin Reaction - The Synergy of Metal Catalysis and Organocatalysis Yielding Acyloins Directly from Olefins
作者:Karoline A. Ostrowski、Thiemo A. Faßbach、Andreas J. Vorholt
DOI:10.1002/adsc.201401031
日期:2015.5.4
A novel, atom efficient, orthogonal tandem catalysis was developed yielding acyloin products (α‐hydroxy ketones) directly from olefins under hydroformylation conditions. The combination of a metal‐catalysed hydroformylation and an organocatalysed acyloin reaction provides three atom efficient CC bond formations to linear, multifunctional molecules via linkage of the intermediate n‐aldehydes. Additionally
Convenient Preparation of 'High-Surface Sodium' in Liquid Ammonia: use in the Acyloin Reaction
作者:Mieczyslaw Makosza、Karol Grela
DOI:10.1055/s-1997-763
日期:1997.3
'Sodium on solid support' (5-20 wt.% of NaCl, glass powder, poly(ethylene) and poly(propylene)) can be conveniently prepared via low-temperature (-33°C) deposition of sodium from its solution in liquid ammonia. Use of this reagent in the acyloin reaction of carboxylic esters gave the corresponding products in good yields.
Direct Catalytic Transformation of Olefins into α-Hydroxy Ketones with Hydrogen Peroxide Catalyzed by Peroxotungstophosphate
作者:Yasuyuki Sakata、Yuji Katayama、Yasutaka Ishii
DOI:10.1246/cl.1992.671
日期:1992.4
Aliphatic olefins were directly converted into α-hydroxy ketones with acidic aqueous hydrogenperoxide in the presence of catalytic amount of peroxotungstophosphate (PCWP) under the biphasic system using chloroform as a solvent. The acidic medium was necessary to open the resulting epoxide to vic-diol which was subsequently oxidized to α-hydroxy ketones.
NaBrO3/bmim[HSO4]: a versatile system for the selective oxidation of 1,2-diols, α-hydroxyketones, and alcohols
作者:Jitender M. Khurana、Anshika Lumb、Ankita Chaudhary
DOI:10.1007/s00706-016-1749-z
日期:2017.2
found to be an excellent oxidizing agent in aqueousmedium. NaBrO3:bmim[HSO4] oxidized 1,2-diols, α-hydroxyketones, and alcohols to the corresponding carbonylcompounds in excellent yields. This method offers advantages such as low cost reagents, aqueousreaction conditions, moderate temperatures and short reaction times and hence environmentally benign reaction. Moreover, the ionic liquid bmim[HSO4] could