Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic componunds
申请人:——
公开号:US20030060624A1
公开(公告)日:2003-03-27
The present invention relates to processes for the preparation of any of the intermediate 1,3-substituted indenes of the formulae (Ia), (Ib) and (Ic) or a mixture thereof:
1
wherein R
1
, R
2
, R
3
, R
4
, and R
5
are defined herein. Compounds of formulae (Ia), (Ib) and (IC) or mixtures thereof are useful in the preparation of compounds of formula (II):
2
wherein R
2
, R
3
and R
6
are also defined herein.
Nicontinic acetylcholine receptor antagonists in the treatment of restless legs syndrome
申请人:Pfizer Inc.
公开号:US20030134844A1
公开(公告)日:2003-07-17
This invention relates to the use of nicotinic acetylcholine receptor agonists for the treatment of restless legs syndrome (RLS). The invention further relates to the use of a nicotinic acetylcholine receptor agonist in the manufacture of a medicament for the treatment of RLS. The present invention also relates to a pharmaceutical composition for the treatment of RLS containing a nicotinic acetylcholine receptor agonist.
[EN] IMPROVED PROCESS FOR THE PREPARATION OF 1,3-SUBSTITUTED INDENES<br/>[FR] PROCEDE AMELIORE POUR LA PREPARATION D'INDENES 1,3-SUBSTITUTEES
申请人:PFIZER PROD INC
公开号:WO2004048318A1
公开(公告)日:2004-06-10
An improved process for the preparation of 1,3 substituted indenes which are useful intermediates in the synthesis of aryl fused azapolycyclic compounds as agents for the treatment of neurological and psychological disorders.
[EN] A METHOD FOR PREPARING INDAN-1,3-DICARBOXYLIC ACID<br/>[FR] PROCEDE DE PREPARATION D'ACIDE INDAN-1,3-DICARBOXYLIQUE
申请人:PFIZER PROD INC
公开号:WO2004046077A1
公开(公告)日:2004-06-03
A method for preparing indan-1,3-dicarboxylic acid compounds which are useful intermediates in the syntheses of aryl fused azapolycyclic compounds as agents for the treatment of neurological and psychological disorders.
一种制备对治疗神经和心理疾病有益的芳基融合氮杂多环化合物的中间体indan-1,3-二羧酸的方法。
[EN] PREPARATION OF SUBSTITUTED QUINOXALINES FROM THE DIANLINE WITH 2,3-DIHYDROXY-1,4-DIOXANE<br/>[FR] PREPARATION DE QUINOXALINES SUBSTITUEES A PARTIR DE LA DIANILINE AVEC DU 2,3-DIHYDROXY-1,4-DIOXANE
申请人:PFIZER PROD INC
公开号:WO2004108725A1
公开(公告)日:2004-12-16
The present invention relates to a new process for the preparation of substituted quinoxalines (I) by cyclization of the corresponding dianiline with 2,3 dihydroxy-1,4-dioxane. In a preferred embodiment, the invention provides a process for the preparation of compounds having the formula III wherein Q is a nitrogen protecting group. Compounds of formula III and their derivatives are precursors to certain aryl fused azapolycyclic compounds which exhibit activity as agents for the treatment of neurological and psychological disorders.