Process for preparing alkylidene substituted succinic acid esters
    1.
    发明授权
    Process for preparing alkylidene substituted succinic acid esters 有权
    制备亚烷基取代的琥珀酸酯的方法

    公开(公告)号:US06914153B2

    公开(公告)日:2005-07-05

    申请号:US10343884

    申请日:2002-06-04

    摘要: A process for the preparation of alkylidene substituted succinates comprising a step (a) in which is carried out the reaction of a carbonilic compound, a succinic and a base in a reaction medium and a step (b) in which the alkylidene substituted product obtained in (a) is esterified, characterized in that the succinic ester is used in a molar amount substantially equal to, or lower than, the amount of compound carbonilic compound, (ii) the base is used in a molar amount substantially equal to the succinic ester and is selected from metal hydrides and metal and alkoxides, and (iii) the reaction medium comprises an aprotic liquid medium or a protic liquid medium having a Ka, measured in water, lower than that of iPrOH.

    摘要翻译: 一种制备亚烷基取代的琥珀酸盐的方法,包括步骤(a),其中在反应介质中进行碳酸化合物,琥珀酸和碱的反应,和步骤(b),其中获得的亚烷基取代的产物 (a)被酯化,其特征在于所述琥珀酸酯的用量基本上等于或低于化合物碳化合物的量,(ii)碱的用量基本上等于琥珀酸酯 并且选自金属氢化物和金属和醇盐,和(iii)反应介质包含非质子液体介质或具有低于iPrOH的Ka测量的Ka的质子液体介质。

    Sludge obtained when processing waste lubricating oil, and a method for
utilizing the sludge
    3.
    发明授权
    Sludge obtained when processing waste lubricating oil, and a method for utilizing the sludge 失效
    处理废润滑油时得到的污泥,以及利用污泥的方法

    公开(公告)号:US4833185A

    公开(公告)日:1989-05-23

    申请号:US169942

    申请日:1988-03-18

    申请人: Marco Fachini

    发明人: Marco Fachini

    CPC分类号: C08L95/00

    摘要: This invention concerns a method whereby the sludge obtained when reclaiming waste lubricating oils by treating with acids or solvents can be processed by the addition of elastomers and hardeners to obtain a compound which--when used in conjunction with bituminous conglomerates and mixtures--gives these conglomerates or mixtures superior mechanical characteristics and high strength at high and low temperatures.

    摘要翻译: 本发明涉及一种通过用酸或溶剂处理回收废润滑油而获得的污泥的方法,其可以通过加入弹性体和硬化剂来加工,以获得当与沥青聚集体和混合物一起使用的化合物 - 给予这些聚集体或 混合物在高低温下具有优异的机械特性和高强度。

    Process for the preparation of fluvastatin sodium salt
    4.
    发明申请
    Process for the preparation of fluvastatin sodium salt 有权
    氟伐他汀钠盐的制备方法

    公开(公告)号:US20070249704A1

    公开(公告)日:2007-10-25

    申请号:US11785702

    申请日:2007-04-19

    申请人: Marco Fachini

    发明人: Marco Fachini

    IPC分类号: C07D209/20 A61K31/405

    CPC分类号: C07D209/12

    摘要: The present invention is directed to a process for preparing Fluvastatin Sodium salt by basic hydrolysis of its alkyl ester. The reaction is performed in conditions suitable to allow a selective hydrolysis of the desired syn isomer, while the unwanted anti isomer is removed by extraction, thus reducing its content in the final product; this diastereomer is the main impurity of Fluvastatin sodium salt and its ester precursor.

    摘要翻译: 本发明涉及通过其烷基酯的碱式水解制备氟伐他汀钠盐的方法。 该反应在适于允许期望的顺式异构体的选择性水解的条件下进行,而通过萃取除去不需要的反式异构体,从而降低其在最终产物中的含量; 该非对映体是氟伐他汀钠盐及其酯前体的主要杂质。

    Process for the preparation of Fluvastatin Sodium salt
    5.
    发明授权
    Process for the preparation of Fluvastatin Sodium salt 有权
    氟伐他汀钠盐的制备方法

    公开(公告)号:US07662848B2

    公开(公告)日:2010-02-16

    申请号:US11785702

    申请日:2007-04-19

    申请人: Marco Fachini

    发明人: Marco Fachini

    IPC分类号: A61K31/404

    CPC分类号: C07D209/12

    摘要: The present invention is directed to a process for preparing Fluvastatin Sodium salt by basic hydrolysis of its alkyl ester. The reaction is performed in conditions suitable to allow a selective hydrolysis of the desired syn isomer, while the unwanted anti isomer is removed by extraction, thus reducing its content in the final product; this diastereomer is the main impurity of Fluvastatin sodium salt and its ester precursor.

    摘要翻译: 本发明涉及通过其烷基酯的碱式水解制备氟伐他汀钠盐的方法。 该反应在适于允许期望的顺式异构体的选择性水解的条件下进行,而通过萃取除去不需要的反式异构体,从而降低其在最终产物中的含量; 该非对映体是氟伐他汀钠盐及其酯前体的主要杂质。