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20 条记录 (耗时 0.015 秒)

    METHOD FOR PREPARING HIGH-PURITY ANHYDROSUGAR ALCOHOL USING SEQUENTIAL COMBINATION OF THIN FILM DISTILLATION AND SHORT PATH DISTILLATION
    13.
    发明公开
    METHOD FOR PREPARING HIGH-PURITY ANHYDROSUGAR ALCOHOL USING SEQUENTIAL COMBINATION OF THIN FILM DISTILLATION AND SHORT PATH DISTILLATION 有权
    PROCESS制备高纯度脱水薄膜蒸馏的顺序组合的BASIS向上和分子蒸馏

    公开(公告)号：EP2918573A1

    公开(公告)日：2015-09-16

    申请号：EP13854039.8

    申请日：2013-11-06

    申请人： Samyang Genex Corporation

    发明人： RYU, Hoon ,  JUNG, Young Jae ,  KIM, Jin Kyung ,  KYUNG, Do Hyun ,  PARK, Hyuk Min ,  CHO, Seong Ho

    IPC分类号： C07C29/80 ,  C07C31/26 ,  B01J19/24

    CPC分类号： C07D493/04 ,  B01D1/225 ,  B01D3/009 ,  B01D3/12

    摘要： The present invention relates to a technique for preparing an anhydrosugar alcohol using hydrogenated sugar as a raw material and, more specifically, to a technique for preparing a high-purity anhydrosugar alcohol (in particular, isosorbide, isomannide, isoidide, and the like) having a purity of 98% or higher and containing less than 0.1% of sorbitol and a sorbitan isomer, which are impurities, in a high total distillation yield of 94% or higher (more preferably, 95% or higher) by adding an acid to hydrogenated sugar (for example, hexitol) to convert same to an anhydrosugar alcohol, and then distilling the converted liquid over two or more stages by sequentially using a combination of an external condenser type wiped film evaporator and an internal condenser type short path evaporator.

    摘要翻译： 本发明涉及一种技术，用于制备使用氢化糖作为原料，并且更具体地涉及脱水糖醇，一种技术用于制备高纯度的无水糖醇（尤其是，异山梨醇，异甘露醇，异艾杜醇等），其具有 的98％或更高的纯度和含有山梨糖醇的小于0.1％和山梨糖醇异构体，它通过加入酸是94％或更高的高的总蒸馏收率杂质（更优选为95％或更高），以氢化 糖（例如，己糖醇），以相同的转换为在脱水糖醇，然后蒸馏使用外部冷凝器类型的组合通过顺序转换在两个或更多个阶段的液体刮板式薄膜蒸发器和冷凝器，以内部typeshort路径蒸发器。

    METHOD FOR PREPARING ANHYDROUS SUGAR ALCOHOL
    14.
    发明公开
    METHOD FOR PREPARING ANHYDROUS SUGAR ALCOHOL 有权
    VERFAHREN ZUR HERSTELLUNG EINES WASSERFREIEN ZUCKERALKOHOLS

    公开(公告)号：EP2907799A1

    公开(公告)日：2015-08-19

    申请号：EP13847141.2

    申请日：2013-10-15

    申请人： Samyang Genex Corporation

    发明人： RYU, Hoon ,  JUNG, Young Jae ,  KIM, Jin Kyung ,  KYUNG, Do Hyun ,  PARK, Hyuk Min ,  CHO, Seong Ho

    IPC分类号： C07C29/80 ,  C07C29/94 ,  C07C31/26 ,  B01J31/02

    CPC分类号： C07D493/04 ,  B01J31/02 ,  C07B63/00

    摘要： The present invention relates to a method for preparing anhydrous sugar alcohol, and more particularly, to a cheap and highly efficient method for preparing anhydrous sugar alcohol having a high final purity of at least 99%, and having good ion content, pH, conductivity, and color properties. According to the method, a hydrogenated sugar is dehydrated so as to be transformed into anhydrous sugar alcohol, and a series of processes including distillation, crystallization, decoloration, and ion exchange resin treatment are conducted.

    摘要翻译： 本发明涉及一种制备无水糖醇的方法，更具体地说，涉及制备具有至少99％的最终纯度的无水糖醇并且具有良好的离子含量，pH，电导率的便宜且高效的方法， 和颜色属性。 根据该方法，将氢化糖脱水以转变为无水糖醇，进行蒸馏，结晶，脱色，离子交换树脂处理等一系列处理。

    A METHOD FOR PREPARATION OF ANHYDROSUGAR ALCOHOLS
    16.
    发明公开
    A METHOD FOR PREPARATION OF ANHYDROSUGAR ALCOHOLS 有权
    用于生产脱水

    公开(公告)号：EP2714696A1

    公开(公告)日：2014-04-09

    申请号：EP11866707.0

    申请日：2011-06-02

    申请人： Samyang Genex Corporation

    发明人： RYU, Hoon ,  JUNG, Young Jae ,  KIM, Young Seok

    IPC分类号： C07D493/04 ,  C07B35/04 ,  C07B63/00 ,  C08G63/58

    CPC分类号： C07D493/04 ,  C07B63/00 ,  C08G63/672

    摘要： Disclosed is a method for the preparation of an anhydrosugar alcohol using a starch-derived hexitol such as sorbitol or mannitol. Anhydrosugar alcohol is in the form of a diol having two hydroxyl groups in the molecule thereof and has a very high utility value as a physical property modifier which can be used primarily in plastics. Representative examples of anhydrosugar alcohols include isosorbide and isomannide. These anhydrosugar alcohols are capable of increasing a glass transition temperature of and improving strength of PET, polyesters, polycarbonates, etc., and are therefore highly valuable as biodegradable environmentally-friendly bioplastics.

    Method for purification of paclitaxel from paclitaxel-containing materials
    19.
    发明公开
    Method for purification of paclitaxel from paclitaxel-containing materials 有权
    Verfahren zur Reinigung von紫杉醇aus紫杉醇enthaltendem材料

    公开(公告)号：EP1550659A1

    公开(公告)日：2005-07-06

    申请号：EP04258186.8

    申请日：2004-12-30

    申请人： Samyang Genex Corporation

    发明人： Pyo, Sang-Hyun ,  Kim, Moon-Suk ,  Cho, Jin-Suk ,  Song, Bong-Kyu ,  Choi, Ho-Joon

    IPC分类号： C07D305/14

    CPC分类号： C07D305/14

    摘要： This invention relates to methods for purification of paclitaxel from a paclitaxel-containing material. The method comprises the following steps: (a) extracting a paclitaxel-containing material with an organic solvent to obtain an extract, and concentrating the extract; (b) adding the concentrate with an organic solvent which is not mixed with water to separate an organic solvent phase and then concentrating; (c) subjecting the concentrate to normal phase chromatography to obtain an eluate; (d) dissolving the eluate in an acetone or dichloromethane followed by adding pentane or hexane to form a precipitate; and (e) subjecting the precipitate to high performance liquid chromatography. According to the method of the present invention, paclitaxel of over 99.5% purity can be easily obtained from a Taxus genus plant with a high yield.

    摘要翻译： 本发明涉及从含紫杉醇的材料中纯化紫杉醇的方法。 该方法包括以下步骤：（a）用有机溶剂萃取含有紫杉醇的物质，得到提取物，浓缩提取物; （b）将浓缩物与不与水混合的有机溶剂加入以分离有机溶剂相，然后浓缩; （c）使浓缩物进行正相色谱以获得洗脱液; （d）将洗脱液溶解在丙酮或二氯甲烷中，然后加入戊烷或己烷以形成沉淀物; 和（e）使沉淀物进行高效液相色谱。 根据本发明的方法，可以容易地从具有高收率的紫杉属植物获得纯度超过99.5％的紫杉醇。