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    • 5. 发明公开
    • 고순도 2-(트리시클로[5.2.1.02,6]데칸-3-엔-8-일옥시)에탄올의 제조방법
    • 高纯度2-(TRICYCLO [5.2.1.02,6] DEC-3-EN-8-YLOXY)乙醇的制备方法
    • KR1020130122384A
    • 2013-11-07
    • KR1020120045669
    • 2012-04-30
    • (주)위즈켐조양래
    • 조양래정선이허정희유혜리손효빈정현윤박정배
    • C07C41/58C07C41/32C07C43/18C07B41/04
    • The present invention relates to a method for producing high-purity 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethanol and, more particularly, to a method for producing high-purity 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethanol, which is a main raw material in the preparation of 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethyl methacrylate or 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethyl acrylate, which is a main monomer for preparing polymers useful for paints, adhesives, construction sealants, corrosion-resistant coating agents, and the like. Further, the present invention provides a new method for producing high-purity 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethanol by preparing 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethyl 9-anthracene carboxylate as a crystalline solid through an esterification reaction of impure liquid phase 2-(tricycle[5.2.1.02,6]dec-3-en-8-yloxy)ethanol, which is generated by an addition reaction of dicyclopentadiene and ethylene glycol, and 9-anthracene carbonyl chloride, followed by recrystallization and hydrolysis. [Reference numerals] (AA) Start;(BB) End;(S101) Esterification reaction step;(S103) Refinement step;(S105) Hydrolysis step
    • 本发明涉及高纯度2-(三环[5.2.1.0 2,6]癸-3-烯-8-基氧基)乙醇的制备方法,特别涉及一种制备高纯度2-( 三环[5.2.1.02,6]癸-3-烯-8-基氧基)乙醇,其是制备2-(三环[5.2.1.0 2,6]癸-3-烯-8-基氧基的主要原料 )甲基丙烯酸乙酯或2-(三环[5.2.1.02,6]癸-3-烯-8-基氧基)乙基丙烯酸酯,其是用于制备用于涂料,粘合剂,建筑密封剂,耐腐蚀涂层剂的聚合物的主要单体 ,等等。 此外,本发明提供了一种通过制备2-(三环[5.2.1.0 2,6]癸二醇(三环[5.2.1.02,6]癸-3-基) -3-烯-8-基氧基)乙基9-蒽羧酸酯,为不纯的液相2-(三环[5.2.1.0 2,6]癸-3-烯-8-基氧基)乙醇的酯化反应,为结晶固体,其中 是通过二环戊二烯和乙二醇的加成反应和9-碳酰氯的反应生成的,然后重结晶和水解。 (AA)开始;(BB)结束;(S101)酯化反应步骤;(S103)精制步骤;(S105)水解步骤
    • 6. 发明公开
    • 1-(1'-(카복시메틸)시클로프로판메틸디설파닐메틸)시클로프로판아세트산과 그 유도체의 제조방법
    • 1- [1' - (羧甲基)环丙烷甲基甲硅烷基]环丙烷酸及其衍生物的新制备方法
    • KR1020130082017A
    • 2013-07-18
    • KR1020120003186
    • 2012-01-10
    • (주)위즈켐조양래
    • 조양래정선이허정희유혜리손효빈한나라지고운박정배
    • C07C315/00C07C327/14C07C329/00C07B61/00
    • C07C231/14C07C319/02C07C319/22C07C319/24C07C335/32C07C2601/02C07C323/60C07C323/53C07C233/03
    • PURPOSE: A manufacturing method is provided to produce 1'- (carboxymethyl) cyclopropane methylbenzalde methyl cyclopropane acetic acid and its derivatives, the precursor of 1- (mercaptomethyl) cyclopropane acetic acid, which play significant role in synthesizing an anti-asthmatic drug 'montelukast'. CONSTITUTION: In a manufacturing method of 1' - (carboxymethyl) cyclopropane methylbenzalde methyl cyclopropane acetic acid (1), cyclopropane acetic acid derivatives (2, 3) of the structural formula are reacted with disodium disulfide (Na2S2) to produce disulfide compound of the structural formula and to hydrolyze disulfide compound with disodium disulfide (Na2S2). X in the formula is a halogen atom or a sulfonate group and Y is an organic acid derivative. And Y is alkyl ester or aryl ester easy to be hydrolyzed as inorganic base like caustic soda, sodium carbonate, potassium hydroxide, potassium carbonate. A solvent used in a substitution reaction of the disodium disulfide is polar organic solvent like dimethylformamide, dimethyl sulphoxide, tetrahydrofuran, the dioxane etc., alcohols like ethanol and methanol, nitriles like acetonitrile, acetone like ketones or mixed solvent of these organic solvents and water condylar mixed solvents. [Reference numerals] (AA) Hydrolysis
    • 目的:提供制备1'-(羧甲基)环丙烷甲基苯甲醛甲基环丙烷乙酸及其衍生物的方法,1-(巯基甲基)环丙烷乙酸的前体,其在合成抗哮喘药物孟鲁司特方面起重要作用 ”。 构成:在1' - (羧甲基)环丙烷甲基苯甲醛甲基环丙烷乙酸(​​1)的制造方法中,结构式的环丙烷乙酸衍生物(2,3)与二硫化二钠(Na 2 S 2)反应,生成二硫化物 结构式,并用二硫化二钠(Na2S2)水解二硫化物。 式中的X是卤素原子或磺酸酯基,Y是有机酸衍生物。 Y是烷基酯或芳基酯,易于水解为无机碱如苛性钠,碳酸钠,氢氧化钾,碳酸钾。 在二硫化二砷的取代反应中使用的溶剂是极性有机溶剂如二甲基甲酰胺,二甲基亚砜,四氢呋喃,二恶烷等,醇如乙醇和甲醇,腈类如乙腈,丙酮如酮或这些有机溶剂的混合溶剂和水 髁混合溶剂。 (AA)水解
    • 9. 发明公开
    • 1,4-이치환시클로헥산 유도체의 제조방법
    • 用于1,4-取代环己烷衍生物的制备方法
    • KR1020110035705A
    • 2011-04-06
    • KR1020090093521
    • 2009-09-30
    • (주)위즈켐조양래
    • 조양래정선이김병환
    • C07C51/09C07C51/42C07C62/04
    • C07C51/09C07C51/42C07C62/04
    • PURPOSE: A method for preparing 4-(hydroxymethyl)cyclohexanecarboxylic acid is provided to 4-(hydroxymethyl)cyclohexanecarboxylic acid useful as materials for edicine and specic polymers through hydrolysis and stepwise extraction purification process from byproducts generated in a preparation process of 1,4-di(hydroxymethyl)cyclohexane. CONSTITUTION: A method for preparing 4-(hydroxymethyl)cyclohexanecarboxylic acid comprises the steps of: (i) performing hydrolysis of distilled residue generated in the preparation of 1,4-di(hydroxymethyl)cyclohexane with base to prepare 4-(hydroxymethyl)cyclohexanecarboxylic acid and 1,4-di(hydroxymethyl)cyclohexane; (ii) adding an organic solvent to the reaction mixture to extract organic materials which are not molten in water; (iii) segregating crystals by concentrating/neutralizing the separated solution; (iv) filtering the segregated solid to obtain a solid component; and selectively (v) washing the solid with the organic solvent.
    • 目的:通过水解和逐步萃取纯化方法,由4-(羟甲基)环己烷羧酸制备4-(羟甲基)环己烷羧酸,可用作EDI和特异性聚合物的材料, 二(羟甲基)环己烷。 构成:制备4-(羟甲基)环己烷羧酸的方法包括以下步骤:(i)在用碱制备1,4-二(羟甲基)环己烷时进行蒸馏残留物水解,制备4-(羟甲基)环己烷羧酸 酸和1,4-二(羟甲基)环己烷; (ii)向反应混合物中加入有机溶剂以提取在水中不熔融的有机物质; (iii)通过浓缩/中和分离的溶液来分离晶体; (iv)过滤分离的固体以获得固体组分; 并选择性地(v)用有机溶剂洗涤固体。