[EN] PROCESS FOR PREPARING NITROOXYALKYL SUBSTITUTED ESTERS OF CARBOXYLIC ACIDS, INTERMEDIATES USEFUL IN SAID PROCESS AND PREPARATION THEREOF<br/>[FR] PROCEDE DE PREPARATION D'ESTERS D'ACIDES CARBOXYLIQUES A SUBSTITUTION NITROOXYALKYLE, INTERMEDIAIRES UTILISES DANS LEDIT PROCEDE ET LEUR PREPARATION
申请人:NICOX SA
公开号:WO2004020385A1
公开(公告)日:2004-03-11
The present invention refers to a process for preparing a compound of general formula (A), as reported in the description, wherein R is a radical of a drug and R1-R12 are hydrogen or alkyl groups, m, n, o, q, r and s are each independently an integer from 0 to 6, and p is 0 or 1, and X is O, S, SO, SO2, NR13 or PR13 or an aryl, heteroaryl group, said process comprising reacting a compound of formula (B) R-COOZ (B) wherein R is as defined above and Z is hydrogen or a cation selected from: Li+, Na+, K+, Ca++, Mg++, tetralkylammonium, tetralkylphosphonium, with a compound of formula (C), as reported in the description, wherein R1-R12 and m, n, o, p, q, r, s are as defined above and Y is a suitable leaving group.
本发明涉及一种制备一般式(A)化合物的过程,如描述中所述,其中R是药物的基团,R1-R12是氢或烷基基团,m、n、o、q、r和s分别是0到6之间的整数,p为0或1,X为O、S、SO、SO2、NR13或PR13或芳基、杂环芳基基团,所述过程包括将一种一般式(B)的化合物与一种一般式(C)的化合物反应,其中R为上述定义,Z为氢或从Li+、Na+、K+、Ca++、Mg++、四烷基铵、四烷基磷酸盐中选择的阳离子,R1-R12和m、n、o、p、q、r、s如上所述,Y为适当的离去基团。