The present invention relates to a novel process for the preparation of compounds of formula (I)
wherein X, Q, R
1
and R
2
are as defined in the specification, the compounds being useful in the preparation of therapeutic agents. The invention further relates to novel intermediates useful in the preparation of the therapeutic agents.
NOVEL PROCESS FOR PREPARING INTERMEDIATES OF CCR ANTAGONISTS
申请人:AstraZeneca AB
公开号:EP2027105A2
公开(公告)日:2009-02-25
[EN] NOVEL PROCESS I<br/>[FR] NOUVEAU PROCÉDÉ I
申请人:ASTRAZENECA AB
公开号:WO2007129960A2
公开(公告)日:2007-11-15
[EN] The present invention relates to a novel process for the preparation of compounds of Formula (I) wherein X, Q, R1 and R2 are as defined in the specification, the compounds being useful in the preparation of therapeutic agents. The invention further relates to novel intermediates useful in the preparation of the therapeutic agents. [FR] La présente invention concerne un nouveau procédé de synthèse de composés de Formule (I) dans laquelle X, Q, R1 et R2 sont tels que définis dans la description de l'invention, les composés pouvant être employés dans l'élaboration d'agents thérapeutiques. La présente invention concerne en outre de nouveaux intermédiaires pouvant être employés dans l'élaboration des agents thérapeutiques.
Development of a Multikilogram Synthesis of a Chiral Epoxide Precursor to a CCR1 Antagonist. Use of in Situ Monitoring for Informed Optimisation via Fragile Intermediates
作者:Debra Ainge、James E. M. Booker、Nicholas Pedge、Rhona Sinclair、Chris Sleigh、Marijan Štefinović、Luis-Manuel Vaz、Edward Way
DOI:10.1021/op900172t
日期:2010.1.15
up of a manufacturing route to a key intermediate, aceticacid 4-acetylamino-3-(2-methyl-oxiranylmethoxy)phenyl ester (2), utilising a SNAr coupling, the hydrogenation of a nitro moiety and the conversion of a chiral acetonide into a chiral epoxide is described along with other routes to access intermediate 2 including the chemoselective reduction of a nitro moiety in the presence of an epoxide.
利用S N Ar偶合,硝基部分的加氢和乙酸的最优化和规模化生产关键中间体乙酸4-乙酰氨基-3-(2-甲基-环氧乙烷基甲氧基)苯基酯(2)的方法。描述了手性丙酮化物向手性环氧化物的转化以及进入中间体2的其他途径,包括在环氧化物的存在下硝基部分的化学选择性还原。