Access to both enantiomers of substituted 2-tetralol analogs by a highly enantioselective reductase
作者:Afifa Ayu Koesoema、Daron M. Standley、Kotchakorn T.sriwong、Mayumi Tamura、Tomoko Matsuda
DOI:10.1016/j.tetlet.2020.151682
日期:2020.3
engineered form of a highly enantioselective acetophenone reductase from Geotrichum candidum NBRC 4597 (GcAPRD) to produce (S)- and (R)-2-tetralols, and their substituted analogs. All mutations targeted residue Trp288, which has been shown to restrict substrate binding, but not play a direct role in catalysis. The wild type produced (S)-alcohols with excellent enantioselectivity, while the engineered forms
HETEROCYCLYL SUBSTITUTED TETRAHYDRONAPHTHALENE DERIVATIVES AS 5-HT7 RECEPTOR LIGANDS
申请人:Garcia-Lopez Monica
公开号:US20100035936A1
公开(公告)日:2010-02-11
The present invention relates to heterocyclyl-substituted-tetrahydro-naphthalen compounds of general formula (I), methods for their preparation, and compositions comprising these compounds as well as their use for the treatment or prophylaxis of various disorders in humans or animals.
HETEROCYCLYL-SUBSTITUTED-TETRAHYDRO-NAPHTHALEN-AMINE DERIVATIVES, THEIR PREPARATION AND USE AS MEDICAMENTS
申请人:Garcia-Lopez Monica
公开号:US20100105684A1
公开(公告)日:2010-04-29
The present invention relates to heterocyclyl-substituted-tetrahydro-naphthalen-amine compounds of general formula (I) and compositions thereof, methods for their preparation, and the use of said compounds for the treatment or prophylaxis of various disorders of humans or animals.
Asymmetric reduction of methoxy substituted β-tetralones using transfer hydrogenation
作者:Muneto Mogi、Kaoru Fuji、Manabu Node
DOI:10.1016/j.tetasy.2004.10.017
日期:2004.11
A symmetric reductions of methoxy substituted 2-tetralones were studied. The asymmetric transfer hydrogenation reaction developed by Noyori using chiral eta(6)-arene-ruthenium complexes (arene = p-cymene or benzene) was found to efficiently reduce various methoxy substituted 2-tetralones with >80% ee. Their enantiomeric excesses were found to depend on the position of the methoxy group and the types of the arene complexes. The conditions were identified for the asymmetric reduction of 8-methoxy-2-tetralone to the corresponding 2-tetralol in 98% ee, which was notably higher in enantioselectivity than the other methoxy substituted 2-tetralones. (C) 2004 Elsevier Ltd. All rights reserved.