CAS: 94-30-4; Ethyl 4-Methoxybenzoate

上下游产品

CAS号64-17-5 乙醇 | CAS号201230-82-2 carbon monoxide | CAS号161912-34-1 4-Methoxyphenyl... | CAS号696-62-8 4-碘苯甲醚 | CAS号123-11-5 4-甲氧基苯甲醛; 对甲氧基苯... | CAS号100-09-4 对甲氧基苯甲酸 | CAS号105-58-8 碳酸二乙酯 | CAS号1906-57-6 乙基草酸钾 | CAS号2403-58-9 4-甲氧基苯甲醛二乙基缩醛 | CAS号104-92-7 对溴苯甲醚 | CAS号3290-99-1 对甲氧基苯甲酰肼 | CAS号3672-47-7 4-甲氧基苯甲酰乙腈 | CAS号50803-29-7 3-(氯磺酰基)-4-甲氧基苯甲酸 | CAS号49757-42-8 4,4',4'-三甲氧基苯甲基氯 | CAS号100-09-4 对甲氧基苯甲酸 | CAS号120-47-8 尼泊金乙酯 | CAS号142472-14-8 1-(4-methoxyphe... | CAS号4180-23-8 茴香烯 | CAS号121-98-2 茴香酸甲酯 | CAS号105-13-5 对甲氧基苄醇

过氧化氢酶置于氢氧化钾,硫酸二甲酯体系中,用 乙醚,水 作为反应溶剂,以15.7 G (97%)的收率获得产物茴香酸乙酯
参考文献:2-Arylalkylthio-Imidazoles,2-Arylalkenyl-Thio-Imidazoles And 2-Arylalkinyl-Thio-Imidazoles As Anti-Inflammatory Substances And Substances Inhibiting The Release Of Cytokine
标题:2-Arylalkylthio-Imidazoles,2-Arylalkenyl-Thio-Imidazoles And 2-Arylalkinyl-Thio-Imidazoles As Anti-Inflammatory Substances And Substances Inhibiting The Release Of Cytokine
摘要:该发明涉及具有2-芳基烷硫基,2-芳基烯基硫基和2-芳基炔基硫基取代的4-杂环芳基-5-苯基咪唑衍生物,其一般式为i: 其中ar是苯基基团,Het是杂环芳基基团,A是烷基链,R1是烷硫基,烷砜基,烷砜基,磺胺基或烷基羰基基团,R2是烷基,羟基,烷氧基,烷氧羰基,磺胺基,羧基,硝基或氨基羰基基团或卤原子.n可以是1或2,M为0至2.根据该发明的化合物表现出抗炎活性.

专利信息

专利号:US-5075270-A
优先权日:1985-06-12
标 题:Process for preparing a catalyst component, resultant catalyst system, and process for synthesis of polymers
发明人：BRUN CLAUDE; LACOMBE JEAN-LOUP
权利人:ATOCHEM
摘要:A process for preparing a transition metal component for a catalyst system wherein a specified aluminosiloxane derivative is reacted with a monohalopenated, alkylated, or alkoxylated compound of magnesium and the reaction product is chlorinated and reacted with a transition metal; a catalyst system comprising such transition metal component and a cocatalyst selected from organometallic compounds of a metal of Groups I through III of the Periodic Table; and the process of synthesizing olefin homopolymers and copolymers utilizing such catalyst system.

专利号:US-9896523-B2
优先权日:2015-06-26
标题 :Ziegler-Natta catalyst synthesis and process thereof
发明人：SINGH GURMEET; KUMAR NARESH; KAUR SUKHDEEP; BANTU BHASKER; KAPUR GURPREET SINGH; SHASHIKANT
权利人:INDIAN OIL CORP LTD
摘要:The present invention describes a process of preparing a catalyst for olefin polymerization comprising: (i) treating a magnesium metal with an organohalide along with an internal donor to obtain a reaction mixture having solid component (A); (ii) treating the reaction mixture having solid component (A) with an acyl halide to obtain a reaction mixture having solid component (B); and (iii) treating the reaction mixture having solid component (B) of step (ii) with a transition metal compound to obtain the catalyst. The present invention also relates to a process for preparation of a catalyst system from said catalyst and preparation of a polyolefins from the catalyst system.

专利号:US-6770586-B2
优先权日:2000-04-24
标题 :Solid catalyst component and catalyst for olefins polymerization
发明人：TASHINO KUNIHIKO; SUZUKI YUKIHIRO; NISHIYAMA ISA; OGAWA HAYASHI; YOSHIDA TAKUMA; HOSAKA MOTOKI; SATO MAKI
权利人:TOHO TITANIUM CO LTD
摘要:Solid catalyst components and catalysts which contain (a) magnesium compound, (b) titanium tetrachloride, and (c) a phthalic acid diester or its derivative are useful in the synthesis of olefin polymers in high yields. Particularly, propylene polymers can be obtain in very high yields while retaining high stereoregularity.

专利号:BR-PI0718890-B1
优先权日:2006-11-16
标 题:Method for the preparation of a catalyst suitable for polymerization of an olefin, catalyst and its use, method of producing a supported catalyst for polyethylene synthesis and ethylene polymerization process under suspension conditions in a hydrocarbon solvent in the presence of a catalyst

专利号:CN-106588644-A
优先权日:2016-11-16
标题 :Synthesis method of carboxylic ester compound