Ion-pairing catalysis in the enantioselective addition of hydrazones to <i>N</i>-acyldihydropyrrole derivatives
作者:Nagore Zabaleta、Uxue Uria、Efraim Reyes、Luisa Carrillo、Jose L. Vicario
DOI:10.1039/c8cc05311a
日期:——
demonstrated that dihydropyrrole-based enamide derivatives can act as efficient precursors of chiral quaternary N-acyliminium salts under Brønsted acid catalysis that undergo reactions with hydrazones, the latter participating as masked nucleophilic carbonyl group equivalents. The optimized methodology provides a variety of enantiopure α-substituted proline derivatives in excellent yields, being even compatible
[EN] DIHYDROINDOLIZINE DERIVATE AS METABOTROPIC GLUTAMATE RECEPTOR MODULATORS<br/>[FR] DÉRIVÉ DE DIHYDROINDOLIZINE À TITRE DE MODULATEURS DES RÉCEPTEURS MÉTABOTROPES DE GLUTAMATE
申请人:MERZ PHARMA GMBH & CO KGAA
公开号:WO2012172093A1
公开(公告)日:2012-12-20
The invention relates to heterocyclic derivatives of formula I, wherein the substituents R1-R5 and R11 are as defined in the claims, as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are mGluR5 modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.
NOVEL AMINO-PYRROLINE DERIVATIVES, AND USE THEREOF IN THE PREVENTION AND/OR TREATMENT OF METABOLIC SYNDROME
申请人:Bousquet Pascal
公开号:US20140045910A1
公开(公告)日:2014-02-13
Novel amino-pyrrolinic derivatives, their pharmacologically acceptable salts and use thereof in the prevention and/or treatment of metabolic syndrome.
新型氨基吡咯烷衍生物,其药理学上可接受的盐和在预防和/或治疗代谢综合征中的应用。
Haem d1: development of a new coupling procedure leading to the synthesis of isobacteriochlorins 1
作者:Richard L. Mackman、Jason Micklefield、Michael H. Block、Finian J. Leeper、Alan R. Battersby
DOI:10.1039/a700654c
日期:——
A new approach has been developed for construction of the western
and eastern lactams, e.g. 2 and 3, needed for synthesis of
isobacteriochlorins. It involves acylation of pyrroles with lactonic
acids to form ketones. These are then efficiently converted into the
desired lactams by a short sequence of reactions. All the steps are high
yielding and simple to carry out.
The present invention relates to new functionalized 9-bromo-camptothecin derivatives (I) which have cytotoxic activity and are useful in treating diseases such as cancer, cellular proliferation disorders and viral infections. The present invention also provides methods for preparing these compounds, pharmaceutical compositions comprising them and methods of treating diseases utilizing such compounds or the pharmaceutical composition containing them. The invention also relates to the use of these functionalized 9-bromo-camptothecin derivatives in the preparation of conjugates.