Regioselective electrophilic trifluoromethylation of substituted anilines and derivatives in superacid
摘要:
In a one pot procedure, treatment of chloro or methyl substituted acetanilides in HF/SbF5/CCl4 followed by addition of HF/pyridine yields trifluoromethyl derivatives with high regioselectivity. (C) 2003 Elsevier Science Ltd. All rights reserved.
This invention relates to dihydro-benzo[b][1,4]diazepin-2-one derivatives of the formula
1
wherein R
1
, R
2
, X and Y are as defined in the specification and R
3
is a six-membered aromatic heterocycle containing 1 to 3 nitrogen atoms or a pyridine-N-oxide as further defined in the specification. The invention further relates to medicaments containing these compounds, a process for their preparation as well as their use for preparation of medicaments for the treatment or prevention of acute and/or chronic neurological disorders.
[EN] COMBINATION OF MGLUR2 ANTAGONIST AND ACHE INHIBITOR FOR TREATMENT OF ACUTE AND/OR CHRONIC NEUROLOGICAL DISORDERS<br/>[FR] COMBINAISON D'ANTAGONISTE MGLUR2 ET D'INHIBITEUR ACHE DESTINEE AU TRAITEMENT DE TROUBLES NEUROLOGIQUES AIGUS ET/OU CHRONIQUES
申请人:HOFFMANN LA ROCHE
公开号:WO2005014002A1
公开(公告)日:2005-02-17
The present invention relates to a method of treatment or prevention of acute and/or chronic neurological disorders, to a pharmaceutical composition comprising an inhibitor of acetylcholinesterase (AChE inhibitor) and a metabotropic Glutamate receptor 2 antagonist (mGluR2 antagonist), to the use of an AChE inhibitor and a mGluR2 antagonist in the preparation of a medicament, and. to kits comprising an AChE inhibitor and a mGluR2 antagonist.
Pharmaceutical composition comprising an AChE inhibitor and a mGluR2 antagonist
申请人:Ballard Maria Theresa
公开号:US20050049243A1
公开(公告)日:2005-03-03
The present invention relates to a pharmaceutical composition comprising an inhibitor of acetylcholinesterase (AChE inhibitor) and a metabotropic glutamate receptor 2 antagonist (mGluR2 antagonist) and a pharmaceutically acceptable excipient. The invention also relates to a method of treating and/or preventing acute and/or chronic neurological disorders comprising administering to a patient in need of such treatment and/or prevention a therapeutically effective amount of said AChE inhibitor and mGluR2 antagonist as well as a kit comprising said AChE inhibitor and mGluR2 antagonist. In particular, the mGluR2 antagonist relates to the compound of formula I
wherein, R
1
, R
2
, R
3
, X and Y are described hereinabove. The combination of the AChE inhibitor and mGluR2 antagonist is useful for treating and/or preventing chronic neurological disorders. These disorders include Alzheimer's disease and mild cognitive impairment.
This invention provides compounds of formula (I):
wherein R
1
, R
2
, G, n, p and q have values as described in the specification, useful as inhibitors of HDAC6. The invention also provides pharmaceutical compositions comprising the compounds of the invention and methods of using the compositions in the treatment of proliferative, inflammatory, infectious, neurological or cardiovascular diseases or disorders.
Copper-Free Direct C–H Trifluoromethylation of Acetanilides with Sodium Trifluoromethanesulfinate
作者:Mingxi Wu、Xinfei Ji、Wenpeng Dai、Song Cao
DOI:10.1021/jo501221h
日期:2014.10.3
A copper-free direct C-H ortho trifluoromethylation of electron-deficient 4-substituted acetanilides using Langlois reagent (NaSO2CF3) as the CF3 source in the presence of tert-butyl hydroperoxide (tBuOOH, TBHP) was developed.