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32 条记录 (耗时 0.021 秒)

    Process for preparing nitrooxyalkyl substituted esters of carboxylic acids, intermediates useful in said process and preparation thereof
    11.
    发明申请
    Process for preparing nitrooxyalkyl substituted esters of carboxylic acids, intermediates useful in said process and preparation thereof 失效
    制备硝基氧基烷基取代的羧酸酯的方法，可用于所述方法的中间体及其制备方法

    公开(公告)号：US20070112194A1

    公开(公告)日：2007-05-17

    申请号：US10522986

    申请日：2003-08-06

    申请人： Piero Del Soldato ,  Giancarlo Santus ,  Francesca Benedini

    发明人： Piero Del Soldato ,  Giancarlo Santus ,  Francesca Benedini

    IPC分类号： C07D241/04 ,  C07C201/04

    CPC分类号： C07C269/06 ,  C07C67/10 ,  C07C69/734 ,  C07C201/02 ,  C07C203/04 ,  C07C271/28 ,  C07C303/28 ,  C07C309/73

    摘要： 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.

    摘要翻译： 本发明涉及制备通式（A）化合物的方法，如说明书所述，其中R为药物基团，R 1 -R 12为氢或烷基，m，n，o，q， r和s各自独立地为0〜6的整数，p为0或1，X为O，S，SO，SO 2，NR 13或PR 13或芳基杂芳基，所述方法包括使式 B）R-COOZ（B）其中R如上所定义，Z是氢或选自：Li +，Na +，K +，Ca ++，Mg ++，四烷基铵，四烷基鏻与式（C）化合物的阳离子，如 其描述其中R1-R12和m，n，o，p，q，r，s如上所定义，Y是合适的离去基团。