Process for the synthesis of aromatic urethanes
    2.
    发明授权
    Process for the synthesis of aromatic urethanes 失效
    合成芳香族聚氨酯的工艺

    公开(公告)号:US06034265A

    公开(公告)日:2000-03-07

    申请号:US64166

    申请日:1998-04-22

    CPC分类号: C07C269/04

    摘要: A process for synthesizing aromatic urethanes, which entails:a) reacting an organic carbonate, in an amount which is equal to or greater than a stoichiometric amount, with an aromatic amine at a temperature of00 to 190.degree. C.; andb) recovering the aromatic urethane from the reaction mixture, wherein step a) is carried out by maintaining reaction alcohol in an amount of from 10 to 40 mol % based on a total quantity of alcohol coproduced during the reaction.

    摘要翻译: 一种合成芳族氨基甲酸酯的方法,其包括:a)使具有等于或大于化学计量的量的有机碳酸酯与芳族胺在100至190℃的温度下反应; 和b)从反应混合物中回收芳族氨基甲酸酯,其中步骤a)通过将反应醇的维持量相对于反应期间共生产的醇的总量为10〜40摩尔%来进行。

    Process for the production of aromatic carbamates
    3.
    发明授权
    Process for the production of aromatic carbamates 失效
    生产芳香族氨基甲酸酯的方法

    公开(公告)号:US5698731A

    公开(公告)日:1997-12-16

    申请号:US671212

    申请日:1996-06-27

    CPC分类号: C07C269/04

    摘要: A process is described for the preparation of aromatic carbamates in which an organic carbonate in a stoichiometric quantity or in a quantity higher than the stoichiometric value is reacted with an aromatic amine operating in the presence of a carbamation catalyst, wherein this catalyst is selected from N,N-substituted carbamate complexes of zinc or copper. The process gives high yields and selectivity in the useful reaction product.

    摘要翻译: 描述了一种制备芳族氨基甲酸酯的方法,其中化学计量量或高于化学计量值的有机碳酸酯与在氨基甲酸酯化催化剂存在下操作的芳族胺反应,其中该催化剂选自N ,锌或铜的N-取代氨基甲酸酯络合物。 该方法在有用的反应产物中产生高产率和选择性。

    Process for preparing (R) and (S)-1,2-isopropylideneglycerol by
crystallizing racemic benzoyl ester
    6.
    发明授权
    Process for preparing (R) and (S)-1,2-isopropylideneglycerol by crystallizing racemic benzoyl ester 失效
    通过结晶外消旋苯甲酸酯制备(R)和(S)-1,2-异丙基甘油的方法

    公开(公告)号:US5332674A

    公开(公告)日:1994-07-26

    申请号:US16882

    申请日:1993-02-12

    IPC分类号: C12N11/04 C12P17/04 C12P41/00

    摘要: A process is described for separating the optical isomers of 1,2-isopropylideneglycerol, of formula (I), comprising partially stereoselective enzymatic hydrolysis of 1,2-isopropylideneglycerol benzoyl ester (II) catalyzed by a free or immobilized lipase, the hydrolysis being conducted in the presence of a cosolvent and followed by crystallization enabling crystals of (II) in raceme form and mother liquor containing (II) in the form of the pure enantiomer to be selectively obtained.The compound (I) is widely used industrially as an intermediate in the synthesis of chiral drugs such as (R)-(-)-carnitine, (S)-beta-blockers, (S)-antiviral agents, analgesic drugs etc.

    摘要翻译: 描述了用于分离式(I)的1,2-异亚丙基甘油的光学异构体的方法,其包括由游离或固定的脂肪酶催化的1,2-异丙叉基甘油苯甲酰酯(II)的部分立体选择性酶水解,水解进行 在共溶剂的存在下,然后结晶使得可以选择性地获得具有外消旋形式的(II)的结晶和含有纯对映异构体形式的(II)的母液。 化合物(I)在工业上广泛用作合成手性药物如(R) - ( - ) - 肉碱,(S) - β-阻断剂,(S) - 病毒药物,止痛药物等的中间体。

    Process for the procuction of aromatic urethanes
    8.
    发明授权
    Process for the procuction of aromatic urethanes 失效
    生产芳香族聚氨酯的方法

    公开(公告)号:US5688988A

    公开(公告)日:1997-11-18

    申请号:US671179

    申请日:1996-06-27

    CPC分类号: C07C269/04

    摘要: A process is described for the preparation of aromatic urethanes in which organic carbonate in a stoichiometric quantity or in a quantity higher than the stoichiometric value is reacted with an aromatic amine operating in the presence of a carbamation catalyst, wherein this catalyst is selected from zinc and/or copper carbonate hydroxide. The process gives high yields and selectivity in the useful reaction product.

    摘要翻译: 描述了一种用于制备芳族聚氨酯的方法,其中化学计量量或高于化学计量值的有机碳酸酯与在氨基甲酸酯化催化剂存在下操作的芳族胺反应,其中该催化剂选自锌 和/或碳酸氢铜。 该方法在有用的反应产物中产生高产率和选择性。

    Process for the production of bio-oil from solid urban waste
    9.
    发明授权
    Process for the production of bio-oil from solid urban waste 有权
    从固体城市废物生产生物油的过程

    公开(公告)号:US09006502B2

    公开(公告)日:2015-04-14

    申请号:US13395028

    申请日:2010-09-01

    摘要: A process for the production of bio-oil from solid urban waste, comprising the following steps: a) subjecting said solid urban waste to liquefaction, obtaining a mixture including an oily phase consisting of bio-oil, a solid phase and an aqueous phase; b) subjecting the aqueous phase obtained in the liquefaction step a) to fermentation, obtaining a fermented biomass; c) feeding the fermented biomass obtained in the fermentation step b) to the liquefaction step a). The bio-oil (or bio-crude) thus obtained can be advantageously used in the production of biofuels which can be used as such or mixed with other motor vehicle fuels. Alternatively, this bio-oil (or bio-crude) can be used as such (biocombustible) or mixed with fossil combustibles (combustible oil, coal, etc.) for the generation of electric energy or heat.

    摘要翻译: 一种从固体城市废物生产生物油的方法,包括以下步骤:a)使所述固体城市废物进行液化,得到包括由生物油,固相和水相组成的油相的混合物; b)使在液化步骤a)中获得的水相发酵,获得发酵生物质; c)将发酵步骤b)中获得的发酵生物质送入液化步骤a)。 由此获得的生物油(或生物粗品)可有利地用于生产生物燃料,其可以原样使用或与其它机动车辆燃料混合。 或者,该生物油(或生物粗品)可以原样使用(生物燃烧)或与化石可燃物(可燃油,煤等)混合以产生电能或热量。

    PROCESS FOR THE PRODUCTION OF BIO-OIL FROM SOLID URBAN WASTE
    10.
    发明申请
    PROCESS FOR THE PRODUCTION OF BIO-OIL FROM SOLID URBAN WASTE 有权
    从固体废物生产生物油的工艺

    公开(公告)号:US20120172642A1

    公开(公告)日:2012-07-05

    申请号:US13395028

    申请日:2010-09-01

    IPC分类号: C10L1/04 C12P39/00 C12P5/00

    摘要: A process for the production of bio-oil from solid urban waste, comprising the following steps: a) subjecting said solid urban waste to liquefaction, obtaining a mixture including an oily phase consisting of bio-oil, a solid phase and an aqueous phase; b) subjecting the aqueous phase obtained in the liquefaction step a) to fermentation, obtaining a fermented biomass; c) feeding the fermented biomass obtained in the fermentation step b) to the liquefaction step a). The bio-oil (or bio-crude) thus obtained can be advantageously used in the production of biofuels which can be used as such or mixed with other motor vehicle fuels. Alternatively, this bio-oil (or bio-crude) can be used as such (biocombustible) or mixed with fossil combustibles (combustible oil, coal, etc.) for the generation of electric energy or heat.

    摘要翻译: 一种从固体城市废物生产生物油的方法,包括以下步骤:a)使所述固体城市废物进行液化,得到包括由生物油,固相和水相组成的油相的混合物; b)使在液化步骤a)中获得的水相发酵,获得发酵生物质; c)将发酵步骤b)中获得的发酵生物质送入液化步骤a)。 由此获得的生物油(或生物粗品)可有利地用于生产生物燃料,其可以原样使用或与其它机动车辆燃料混合。 或者,该生物油(或生物粗品)可以原样使用(生物燃烧)或与化石可燃物(可燃油,煤等)混合以产生电能或热量。