Synthesis and Characterization of the Enantiomerically Pure<i>cis</i>- and<i>trans</i>-2,4-Dioxa-3-fluoro-3-phosphadecalins as Inhibitors of Acetylcholinesterase
作者:Michael Wächter、Peter Rüedi
DOI:10.1002/cbdv.200800335
日期:2009.3
The title compounds, the P(3)-axially- and P(3)-equatorially-substituted cis- and trans-configured 3-fluoro-2,4-dioxa-3-phosphadecalin 3-oxides (=3-fluoro-2,4-dioxa-3-phosphabicyclo[4.4.0]decane 3-oxides) have been prepared (ee>99%) and fully characterized. The compounds are irreversible inhibitors of acetylcholinesterase, and both the kinetic data and the mechanisms of the inhibition are determined
Reductions of cyclic β-keto esters by individual Saccharomyces cerevisiae dehydrogenases and a chemo-enzymatic route to (1R,2S)-2-methyl-1-cyclohexanol
作者:Santosh Kumar Padhi、Iwona A. Kaluzna、Didier Buisson、Robert Azerad、Jon D. Stewart
DOI:10.1016/j.tetasy.2007.08.010
日期:2007.9
Twenty purified dehydrogenases cloned from bakers’ yeast (Saccharomyces cerevisiae) and expressed as fusion proteins with glutathione (S)-transferase were tested for their ability to reduce three homologous cyclic β-keto esters. The majority of dehydrogenases reduced ethyl 2-oxo-cyclopentanecarboxylate, yielding a pair of diastereomeric alcohols with consistent (1R)-stereochemistry. Ethyl 2-oxo-cy
[EN] ALKOXY COMPOUNDS FOR DISEASE TREATMENT<br/>[FR] COMPOSÉS D'ALCOXY POUR LE TRAITEMENT DE MALADIES
申请人:ACUCELA INC
公开号:WO2009045479A1
公开(公告)日:2009-04-09
The present invention relates generally to compositions and methods for treating neurodegenerative diseases and disorders, particularly ophthalmic diseases and disorders. Provided herein are alkoxyl derivative compounds and pharmaceutical compositions comprising these compounds. The subject compositions are useful for treating and preventing ophthalmic diseases and disorders, including age-related macular degeneration (AMD) and Stargardt's Disease.
hydrolysis product 8 and later, while inhibition proceeded, a second one at −4.08 ppm. attributed to the δ-chymotrypsin adduct 7 (Scheme 3). Comparision of the latter signal with the 31P-NMR chemical shifts of the covalent phosphoserine model compounds (−)-6a (−5.67 ppm, axial substitution) and (+)-6b (−4.02 ppm, equatorial substitution) suggests that the inhibition proceeded via neat retention of the
The present invention relates generally to compositions and methods for treating neurodegenerative diseases and disorders, particularly ophthalmic diseases and disorders. Provided herein are alkoxyl derivative compounds and pharmaceutical compositions comprising these compounds. The subject compositions are useful for treating and preventing ophthalmic diseases and disorders, including age-related macular degeneration (AMD) and Stargardt's Disease.