Substituted Azetidine compounds, their preparation and use as medicaments
申请人:Altisen Cuberes Rosa
公开号:US20050182041A1
公开(公告)日:2005-08-18
The present invention relates to substituted Azetidine compounds of general formula (I), methods for their preparation, medicaments comprising these compounds as well as their use for the preparation of a medicament for the treatment of humans and animals.
Fine Tuning of the Oxidation Locus, and Electron Transfer, in Nickel Complexes of Pro-Radical Ligands
作者:Olaf Rotthaus、Olivier Jarjayes、Fabrice Thomas、Christian Philouze、Carlos Perez Del Valle、Eric Saint-Aman、Jean-Louis Pierre
DOI:10.1002/chem.200500915
日期:2006.3.1
number of complexes of the first-row transition metals with non-innocent ligands has been characterized in the last few years. The localization of the oxidation site in such complexes can lead to discrepancies when electrons can be removed either from the metal center (leading to an M((n+1)+) closed-shell ligand) or from the ligand (leading to an M(n+) open-shell ligand). The influence of the ligand field
Described is a new synthetic route to bis(2-hydroxy-3,5-di-t-butylphenyl)methanone and its derivatives. The combined esterification/photo-Fries rearrangement approach enables a modular preparation of keto-bridged polyphenols. This protecting group-free process is highly atom- and step-economic, and a scalable production was easily achieved in the continuous-flow mode.
The manganese(III) complex (2) with a diamide ligand has been synthesized. This complex was found to catalyze both the epoxidation of (Z)- and (E)-stilbene with high conversion and the oxidation of benzyl alcohol to benzaldehyde. (C) 2008 Elsevier B.V. All rights reserved.
A New Iron(III)–Salen Catalyst for Enantioselective Conia-ene Carbocyclization
作者:Subrata Shaw、James. D. White
DOI:10.1021/ja507853f
日期:2014.10.1
A chiral iron(III)salen complex based on a cis-2,5-diaminobicyclo[2.2.2]octane scaffold catalyzes asymmetric Conia-ene-type cyclization of alpha-functionalized ketones containing an unactivated terminal alkyne and produces an exo-methylenecycloalkane possessing a stereodefined quaternary center.