Process for the synthesis of cyclic alkylene ureas
    2.
    发明授权
    Process for the synthesis of cyclic alkylene ureas 有权
    用于合成环状亚烷基脲的方法

    公开(公告)号:US09475780B2

    公开(公告)日:2016-10-25

    申请号:US14233302

    申请日:2012-07-19

    摘要: The invention relates to a process for the synthesis of cyclic alkylene ureas comprising reacting in the presence of a basic catalyst, a difunctional amine A having two primary amino groups, and an aliphatic organic carbonate component C selected from the group consisting of dialkyl carbonates CD and of alkylene carbonates CA, wherein the ratio of the amount of substance Ji(—NH2) of primary amino groups —NH2 in the difunctional amine A to the sum M(C) of the amount of substance n(CD) of carbonate groups of a dialkyl carbonate CD and the amount of substance n(CA) of carbonate groups in an alkylene carbonate CA, is at least more than 2, and to the product obtained by this process.

    摘要翻译: 本发明涉及一种合成环状亚烷基脲的方法,包括在碱性催化剂,具有两个伯氨基的双官能胺A和选自碳酸二烷基酯CD和 的碳酸亚烷基酯CA,其中二官能胺A中的伯氨基-NH 2的物质Ji(-NH 2)的量与碳酸酯基的物质n(CD)的量的总和M(C)的比率 碳酸二烷基碳酸酯CD和碳酸亚烷基碳酸酯CA中的碳酸酯基团的物质n(CA)的量至少大于2,以及通过该方法得到的产物。

    3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one
    8.
    发明授权
    3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one 有权
    3-(4-哌啶基)-2,3,4,5-四氢-1,3-苯并二氮杂-2(1H) - 酮

    公开(公告)号:US07473778B2

    公开(公告)日:2009-01-06

    申请号:US11567429

    申请日:2006-12-06

    IPC分类号: C07D243/04

    CPC分类号: C07D401/04

    摘要: The present invention relates to a process for preparing the compound 3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one of formula which is to be found as a structural element in CGRP antagonists which are suitable above all for the oral therapy of migraine.

    摘要翻译: 本发明涉及一种制备化合物3-(4-哌啶基)-2,3,4,5-四氢-1,3-苯并二氮杂-2(1H) - 酮的方法,该方法将被发现为 CGRP拮抗剂中的结构元件首先适用于偏头痛的口服治疗。