Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
05/2014
05/14/2014CN103787903A 一种制备左乙拉西坦中间体2-氨基丁酸的方法 An intermediate levetiracetam method of preparing 2-amino butyric acid
05/14/2014CN103787876A 医药中间体3，5-二碘水杨酸的合成方法 Synthesis of pharmaceutical intermediates 3,5-diiodo salicylic acid
05/14/2014CN103787875A 通过超声波制备金属有机框架化合物的方法 Be prepared by the method of ultrasonic metal organic framework compounds
05/14/2014CN103787874A 一种苯甲酰氯的制备工艺 One kind of benzoyl chloride preparation
05/14/2014CN103787873A 模拟移动床色谱拆分酮洛芬对映体的方法 Simulated moving bed chromatographic resolution of enantiomers of ketoprofen method
05/14/2014CN103787872A 一种合成对甲氧基扁桃体酸新方法 A synthetic acid, p-methoxy tonsil new approach
05/14/2014CN103787871A 模拟移动床色谱拆分萘普生对映体的方法 Simulated moving bed chromatographic resolution of the enantiomers of naproxen
05/14/2014CN103787870A 一种柠檬酸钠易炭化物的去除方法 One kind of sodium citrate and easy method of removing the charcoals
05/14/2014CN103787869A 一种酒石酸的制备方法 A method for preparing tartaric acid
05/14/2014CN103787868A 四区模拟移动床分离琥珀酸和乳酸混合物 Four zones simulated moving bed separation of a mixture of succinic acid and lactic acid
05/14/2014CN103787867A 一种氟比洛芬对映体的高效液相色谱拆分方法 A resolution HPLC method flurbiprofen enantiomers
05/14/2014CN103787866A 模拟移动床色谱拆分氟比洛芬对映体的方法 Simulated moving bed chromatographic resolution of flurbiprofen enantiomers of
05/14/2014CN103787865A 在储存条件下呈液态的单体相的储存方法 Under storage conditions of the monomer phase is liquid storage methods
05/14/2014CN103787864A 一种从海洋微藻发酵液中提取dha的方法 A method of extraction of marine microalgae from the fermentation broth dha
05/14/2014CN103787863A 制备型高效液相色谱法制备epa的方法 Prepared by preparative high performance liquid chromatography epa legal
05/14/2014CN103787862A 一种分离纯化epa和dha的制备方法 An isolated and purified preparation of epa and dha
05/14/2014CN103787861A 一种硝酸氧化仲辛醇制备己酸的连续氧化方法 Continuous oxidation of nitric oxide, a method for preparing acid in octanol
05/14/2014CN103787803A 苯乙烯－乙烯或乙炔联产法 Styrene - ethylene or acetylene cogeneration
05/14/2014CN103785470A 一种用于合成丙烯酸的催化剂的制备方法 A method for preparing a catalyst for the synthesis of acrylic acid
05/14/2014CN103785469A 一种合成丙烯酸的金属配合物催化剂的制备方法 A synthetic method for the preparation of acrylic acid metal complex catalyst of
05/14/2014CN103785194A 一种琥珀酸和乳酸的高效液相色谱拆分方法 HPLC resolution method of succinic acid and lactic acid
05/14/2014CN102531888B 一种3,4,5-三甲氧基苯甲酰氯的化学合成方法 A method of chemical synthesis of 3,4,5-trimethoxy-benzoyl chloride
05/14/2014CN102531887B 2，4，5-三氟-3-甲基苯甲酸的制备方法 Preparation of 2,4,5-trifluoro-3-methyl-benzoic acid
05/14/2014CN102344360B 精氨酸右旋布洛芬的制备方法 The preparation of D-arginine ibuprofen
05/14/2014CN102336647B Ak糖结晶母液的用途及利用结晶母液制备钾盐的方法 Purpose and use of crystalline potassium liquor preparation methods Ak sugar crystallization mother liquor
05/14/2014CN102203044B 采用增强的能量回收法制备二羧酸 With enhanced energy recovery Preparation of dicarboxylic acids
05/14/2014CN101998947B 氨基甲酸酯多官能单体、该单体的制备方法及含有该单体的光敏树脂组合物 Carbamate polyfunctional monomer and the monomer for preparing the photosensitive resin composition containing the monomer
05/13/2014US8722924 Integrated ethanol and biodiesel facility
05/13/2014CA2812432C Methods for the synthesis of 13c labeled dha and use as a reference standard
05/13/2014CA2653150C Chiral ligands used in transition metal catalysts for asymmetric addition reactions especially hydrogenation
05/13/2014CA2594893C Metallocene-based chiral phosphines and arsines
05/08/2014WO2014070885A1 Processes for the production of acrylic acids and acrylates using multiple reactors
05/08/2014WO2014070880A1 Process for producing an acrylate product comprising a step of catalyst regeneration
05/08/2014WO2014070766A1 Pure plant mother liquor solvent extraction system and method
05/08/2014WO2014070739A1 Removal of aldehydes in acetic acid production
05/08/2014WO2014070735A1 Integrated process for the production of acrylic acids and acrylates
05/08/2014WO2014069674A1 6-bromo-2-naphthoic acid production method
05/08/2014WO2014043182A3 Alternative pathways to adipates and adipic acid by combined fermentation and catalytic methods
05/08/2014US20140128636 Processes for Producing Acrylic Acids and Acrylates
05/08/2014US20140128634 Process to prepare levulinic acid
05/08/2014US20140128632 Catalyst for single step conversion of glycerol to acrylic acid and process for the preparation thereof
05/08/2014US20140128622 Process for the Oxidation of Organic Carbonyl Compounds
05/08/2014US20140128487 Purification of Acetic Acid Product Streams
05/07/2014CN203577656U 对苯二甲酸粉料回收装置 Terephthalic acid powder recovery
05/07/2014CN203577350U 一种自控式蒸馏釜 One kind of self-control stills
05/07/2014CN103781833A 从聚丙交酯回收丙交酯或从聚乙交酯回收乙交酯的方法和装置 Recovery of lactide or lactide method and apparatus for recovering from a polyvinyl acetate lactide from polylactide
05/07/2014CN103781817A 制备二羧酸锌的方法 The method for preparing zinc dicarboxylic acid
05/07/2014CN103781546A 制备用于合成2,3-不饱和羧酸的V-Ti-P催化剂的方法 The method for preparing the synthesis of 2,3-unsaturated carboxylic acids V-Ti-P catalysts
05/07/2014CN103781545A 制备用于合成2,3-不饱和羧酸的改性V-Ti-P催化剂的方法 Preparation of Synthesis of 2,3-V-Ti-P-modified catalyst for an unsaturated carboxylic acid
05/07/2014CN103772698A 烷基酚醚羧酸盐及其制备方法 Alkylphenol ether carboxylate and its preparation method
05/07/2014CN103772470A 锥丝明衍生物的盐 Salt cone Siming derivatives
05/07/2014CN103772469A 一种含有动物固醇和天然精氨酸结构片段的合成阳离子脂质、合成方法及其应用 An animal sterol synthesis of cationic lipid structure and natural arginine fragment containing the synthetic method and its application
05/07/2014CN103772402A 一种新的阿塞那平马来酸盐粗品精制方法 A new asenapine maleate crude refining methods
05/07/2014CN103772330A 一种从糠醛汽提蒸汽冷凝液中回收糠醛和醋酸的方法 A method for the recovery of furfural vapor condensate extracted from the furfural and acetic acid vapor
05/07/2014CN103772329A 从糠醛汽提蒸汽冷凝液中同时萃取回收糠醛和醋酸的方法 The method of simultaneous extraction steam condensate recovery furfural and acetic acid extracted from furfural vapor
05/07/2014CN103772328A 一种从糠醛汽提蒸汽冷凝液中回收糠醛的方法 A steam condensate recovered from a furfural extract of furfural vapor Method
05/07/2014CN103772194A 一种多步酸析回收生产5-氯水杨酸的母液废水中5-氯水杨酸的方法 A multi-step analysis of the recovery process for the production of acid 5-chloro-salicylic acid liquor wastewater 5-chloro-salicylic acid
05/07/2014CN103772193A 制备三环衍生物的方法 The method of preparation of tricyclic derivatives
05/07/2014CN103772192A 提纯粗对苯二甲酸氧化浆料的方法 The method of purifying crude terephthalic acid oxidation slurry
05/07/2014CN103772191A 对苯二甲酸的制备方法 Preparation of terephthalic acid
05/07/2014CN103772190A 一种环丁烷四羧酸小试合成方法 A cyclic butane tetracarboxylic acid small scale synthesis
05/07/2014CN103772189A 一种菧类化合物甲基树豆酮酸a的合成方法 A method of synthesizing compounds 菧 acid methyl a tree of beans
05/07/2014CN103772188A R-（＋）-α-环己基扁桃酸的制备方法 R - (+) - α- cyclohexyl mandelic acid preparation
05/07/2014CN103772187A 3-甲基戊二酸化合物的制备方法 Preparation of a compound of 3-methyl glutaric acid
05/07/2014CN103772186A 一种发酵有机酸的精制方法 A method for purifying an organic acid fermentation
05/07/2014CN103772185A 一种醋酸中水分及杂酸脱除的装置及方法 Apparatus and method for removing moisture and miscellaneous an acetic acid
05/07/2014CN103772184A 一种利用含甲酸废水的方法 A method of utilizing waste water containing formic acid
05/07/2014CN103772183A 一种利用蛋壳制备醋酸钙的方法 A method for the preparation using the eggshell calcium acetate
05/07/2014CN103772182A 基于气液固多相反应分离同步反应器的利用空气氧化对二甲苯生产对苯二甲酸的方法 Separate sync reactor based solid-liquid heterogeneous reaction using air oxidation of paraxylene production of terephthalic acid method
05/07/2014CN103772181A 一种不饱和醛选择性氧化方法 A non-selective oxidation of unsaturated aldehyde
05/07/2014CN103772180A 一种不饱和酸的制备方法 An unsaturated acid, the preparation of
05/07/2014CN103772179A 不饱和醛选择性氧化方法 The selective oxidation of the unsaturated aldehyde
05/07/2014CN103772178A 一种不饱和醛制备不饱和酸的方法 A process for the preparation of unsaturated acids unsaturated aldehyde
05/07/2014CN103772140A 一种低碳烯烃选择性氧化方法 One kind of selective oxidation of olefins
05/07/2014CN103772139A 丙烯选择性氧化生产丙烯醛的方法 Selective oxidation of propylene production of acrolein
05/07/2014CN103772080A 多卤代苯甲酸的合成方法 Polyhalogenated acid synthesis method
05/07/2014CN103771610A 环烷酸碱渣废液的综合处理方法 Integrated approach naphthenic acid Alkali waste
05/07/2014CN103769210A 提高粗对苯二甲酸加氢精制钯炭催化剂的耐磨性能的方法 Increase crude terephthalic acid hydrotreating catalyst palladium on carbon abrasion resistance method
05/07/2014CN103769155A 不饱和醛选择性氧化催化剂及其制备方法 Unsaturated aldehyde selective oxidation catalyst and its preparation method
05/07/2014CN103769149A 由丙烯醛氧化制备丙烯酸的催化剂、制备方法及其用途 Production of acrylic acid from acrolein oxidation catalyst preparation method and use thereof
05/07/2014CN103769148A 丙烯醛氧化制备丙烯酸催化剂、制备方法及其用途 Preparation of catalyst for oxidation of acrolein acrylic acid, the preparation method and use thereof
05/07/2014CN103769145A 一种丙烯醛选择性氧化的催化剂及制备方法 A catalyst preparation method and the selective oxidation of acrolein
05/07/2014CN103769144A 一种用于丙烯选择性氧化的催化剂及其制备方法 Catalyst and preparation method for the selective oxidation of propylene
05/07/2014CN103769143A 一种不饱和醛氧化催化剂及制备方法 Oxidation of an unsaturated aldehyde and a catalyst preparation method
05/07/2014CN103769133A 一种用于不饱和醛选择性氧化的催化剂及其制备方法 A catalyst and its preparation method is not used for the selective oxidation of unsaturated aldehydes
05/07/2014CN103769132A 低碳烯烃氧化催化剂及制备方法 Olefins oxidation catalyst and preparation method
05/07/2014CN103769089A 一种催化剂的制备方法及其得到的催化剂以及反式-1,4-环己烷二甲酸的合成方法 Synthesis catalyst and method for preparing a catalyst obtained and the trans-1,4-cyclohexane dicarboxylic acid
05/07/2014CN102766036B 一种乙酸、水分离系统中水回收利用的方法 An acetic acid and water separation system, a method for recycling the water
05/07/2014CN102617334B 一种柠檬酸钠母液的精制方法 The method of producing a purified sodium citrate liquor
05/07/2014CN102617322B 一种采用反应精馏技术生产甲酸的方法 A reactive distillation technology to produce formic Methods
05/07/2014CN102617321B 一种甲酸甲酯水解生产甲酸的方法 One kind of hydrolysis of methyl formate production methods
05/07/2014CN102584563B 一种α-亚麻酸的制备方法 One kind of a method for preparing α- linolenic acid
05/07/2014CN102574767B 通过萃取蒸发回收挥发性羧酸 Evaporation of volatile acids recovered by extraction
05/07/2014CN102492733B 一种富马酸生产分离方法 One kind of fumaric acid production separation method
05/07/2014CN102485722B 阿利克仑、其中间体和药用盐及制备方法 Aliskiren, intermediates and pharmaceutically acceptable salts and preparation methods
05/07/2014CN102482190B 锌簇 Zinc cluster
05/07/2014CN102249896B 一种含柠檬酸的溶液的处理方法 A method for processing a solution containing citric acid
05/07/2014CN102026952B 精制对苯二甲酸分离母液的处理方法 Purified terephthalic acid separated mother liquid processing method
05/07/2014CN101544558B 从含水甲酸中分离精制得到高纯度甲酸的方法 Isolated from the aqueous formic acid and purified to obtain a high-purity carboxylic acid
05/06/2014US8716526 Method for producing difluoroacetyl chloride
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