[EN] QUINUCLIDINE ESTERS OF 1-AZAHETEROCYCLYLACETIC ACID AS ANTIMUSCARINIC AGENTS, PROCESS FOR THEIR PREPARATION AND MEDICINAL COMPOSITIONS THEREOF [FR] ESTERS DE QUINUCLIDINE ET D'ACIDE 1-AZAHÉTÉROCYCLYLACÉTIQUE UTILISÉS COMME AGENTS ANTIMUSCARINIQUES, PROCÉDÉ POUR LEUR PRÉPARATION ET COMPOSITIONS MÉDICINALES CORRESPONDANTES
QUINUCLIDINE ESTERS OF 1-AZAHETEROCYCLYLACETIC ACID AS ANTIMUSCARINIC AGENTS, PROCESS FOR THEIR PREPARATION AND MEDICINAL COMPOSITIONS THEREOF
申请人:Chiesi Farmaceutici S.p.A.
公开号:US20130172302A1
公开(公告)日:2013-07-04
Compounds of formula (I):
wherein A, R1, R2, X, m, and n are as defined in the specification, are selective M3 receptor antagonists and may be used in the treatment of, inter alia, a respiratory disease such as asthma and COPD.
Bulk Gold-Catalyzed Reactions of Diazoalkanes with Amines and O2 to Give Enamines
作者:Yibo Zhou、Robert J. Angelici、L. Keith Woo
DOI:10.1007/s10562-010-0339-7
日期:2010.6
particles, catalyzes reactions of diazoalkanes E(H)C=N2, where E is CO2Et or PhC(O), with amines R1R2NH and O2 to give enamine products (R1R2N)(E)C=CH(E) in 58–94% yield. The reactions are proposed to occur by initial formation of surface-bound (E)(H)C: carbene groups that are attacked by nucleophilic amines. The enamine products are very different than those obtained in reactions catalyzed by homogeneous
Quinuclidine esters of 1-azaheterocyclylacetic acid as antimuscarinic agents, process for their preparation and medicinal compositions thereof
申请人:Chiesi Farmaceutici S.p.A.
公开号:US08748613B2
公开(公告)日:2014-06-10
Compounds of formula (I):
wherein A, R1, R2, X, m, and n are as defined in the specification, are selective M3 receptor antagonists and may be used in the treatment of, inter alia, a respiratory disease such as asthma and COPD.
A new copper(II) bromide/N-methylmorpholine N-oxide (NMO)-promoted method for α-amination of esters under continuous-flow conditions, with reduced catalyst loading is reported. The α-amino esters are precursors for the synthesis of α-amino acids. This method provides α-amino esters in 58–83% yields. The desired Cu(II)Br catalyst is regenerated by in situ oxidation of Cu(I)Br in the presence of NMO
报道了一种新的溴化铜( II )/ N-甲基吗啉N-氧化物(NMO)促进的连续流动条件下酯的α-胺化方法,并减少了催化剂负载量。α-氨基酯是合成α-氨基酸的前体。该方法提供 α-氨基酯,产率为 58-83%。所需的 Cu( II )Br 催化剂通过在 NMO 存在下原位氧化 Cu( I )Br来再生。