Preparation of .DELTA..sup.9(11) steroid
    18.
    发明授权
    Preparation of .DELTA..sup.9(11) steroid 失效
    DELTA 9(11)类固醇的制备

    公开(公告)号:US5399727A

    公开(公告)日:1995-03-21

    申请号:US71501

    申请日:1993-06-02

    IPC分类号: C07J3/00 C07J41/00 C07J75/00

    CPC分类号: C07J41/0094

    摘要: A process for the preparation of a compound of the formula ##STR1## comprising reacting a compound of the formula ##STR2## with chlorosulfonic in an organic solvent wherein the reaction is effected at -20.degree. C. to -10.degree. C. and the temperature is then allowed to rise to 0.degree. C. to 5.degree. C.

    摘要翻译: 一种制备下式化合物的方法,包括使式II化合物与氯磺酸在有机溶剂中反应,其中反应在-20℃至-10℃下进行,和 然后将温度升至0℃至5℃

    Process for the preparation of bicyclic compounds and the use of this process for the preparation of an ice inhibitor compound
    20.
    发明授权
    Process for the preparation of bicyclic compounds and the use of this process for the preparation of an ice inhibitor compound 有权
    用于制备双环化合物的方法和使用该方法制备冰抑制剂化合物

    公开(公告)号:US06512111B1

    公开(公告)日:2003-01-28

    申请号:US09869950

    申请日:2001-07-27

    IPC分类号: C07D23704

    CPC分类号: C07K5/06139

    摘要: A method for preparing compounds of formula (I) wherein R is selected from the group consisting of H. alkyl, aryl, and aralkyl of up to 18 carbon atoms and the amine function may be free or protected from a compound of formula (IA) wherein cyclization is carried out in a basic medium and in the presence of a phosphonic acid derivative and the use of said method as an intermediate step for preparing a compound inhibiting the interleukin-1 beta conversion enzyme.

    摘要翻译: 制备式(I)化合物的方法,其中R选自由至多18个碳原子的烷基,芳基和芳烷基组成的组,并且胺官能团可以不受式(IA)化合物的保护, 其中环化在碱性介质中并在膦酸衍生物存在下进行,并且使用所述方法作为制备抑制白细胞介素-1β转化酶的化合物的中间步骤。