Aldolase-Catalyzed Synthesis of Conformationally Constrained Iminocyclitols: Preparation of Polyhydroxylated Benzopyrrolizidines and Cyclohexapyrrolizidines
摘要:
A straightforward chemo-enzymatic synthesis of new polyhydroxylated benzopyrrolizidines and cyclohexapyrrolizidines is developed. The two-step strategy consists of L-fuculose-1-phosphate aldolase variant F131A-catalyzed aldol addition of dihydroxyacetone phosphate to rac-N-benzyl-oxycarbonyfindoline-2-carbaldehyde as well as (2S*,3aS*,7aS*)- and (2S*,3aR*,7aR*)-N-benzyloxycarbonyloctahydroindole-2-carbaldehydes and a subsequent one-step catalytic deprotection-reductive amination.
SUBSITUTED ALIPHANES, CYCLOPHANES, HETERAPHANES, HETEROPHANES, HETERO-HETERAPHANES AND METALLOCENES USEFUL FOR TREATING HCV INFECTIONS
申请人:Wiles Jason Allan
公开号:US20120302538A1
公开(公告)日:2012-11-29
The present disclosure provides substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes, of Formula I
D-M-D (Formula I)
useful as antiviral agents. In certain embodiments disclosed herein M is a group —P-A-P— where A is
Certain substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. Pharmaceutical compositions/ and combinations containing one or more substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes and a pharmaceutically acceptable carrier are also provided by this disclosure. Methods for treating viral infections, including Hepatitis C viral infections are provided by the disclosure.
[EN] ODALASVIR POLYMORPHS AND METHODS OF MANUFACTURE THEREOF<br/>[FR] POLYMORHPHES D'ODALASVIR ET LEURS PROCÉDÉS DE FABRICATION
申请人:JANSSEN PHARMACEUTICALS INC
公开号:WO2018064585A1
公开(公告)日:2018-04-05
The invention provides Odalasvir polymorphs, hydrates, and solvates that exhibit advantageous properties, including purity, useful for the preparation of a therapeutic formulation.
Efficient access to N-protected derivatives of (R,R,R)- and (S,S,S)-octahydroindole-2-carboxylic acid by HPLC resolution
作者:Francisco J. Sayago、Ana I. Jiménez、Carlos Cativiela
DOI:10.1016/j.tetasy.2007.09.006
日期:2007.9
The preparation of the proline analogue (2S,3aS,7aS)-octahydroindole-2-carboxylic acid (Oic) and its enantiomer, (2R,3aR,7aR)-Oic, is described. A racemic precursor has been synthesized in good yield and subjected to HPLC resolution on a chiral column. The high efficiency of both the synthetic and chromatographic procedures has allowed the isolation of multigram quantities of each amino acid in enantiomerically
A straightforward route to enantiopure α-substituted derivatives of (2S,3aS,7aS)-octahydroindole-2-carboxylic acid
作者:Francisco J. Sayago、M. Isabel Calaza、Ana I. Jiménez、Carlos Cativiela
DOI:10.1016/j.tet.2009.05.006
日期:2009.7
this proline analogue greatly influences the stereochemical outcome of direct alkylation reactions taking place at the α-carbon and provides access to α-substituted analogues with retention of the configuration. The overall procedure allows the preparation of enantiopure α-substituted derivatives of this Oic isomer, suitably protected for their incorporation into peptides, in a straightforward manner
描述了 (2 S ,3a S ,7a S )-八氢吲哚-2-羧酸的适当保护衍生物的高产率和显着选择性烷基化。这种脯氨酸类似物的稠合双环结构极大地影响了在 α-碳上发生的直接烷基化反应的立体化学结果,并提供了获得 α-取代类似物并保留构型的途径。整个过程允许以直接的方式制备该 Oic 异构体的对映体纯 α-取代衍生物,适当保护它们以掺入肽中。