The acylation of isobutylbenzene by using catalytic amount of Bi(OTf) 3 has been investigated as function of reaction time, reaction temperature, catalyst dosage and acetyl chloride.
對(duì)乙酰基異丁基苯是合成鎮(zhèn)痛藥Ibuprofen的重要中間體 ,工業(yè)上合成這種中間體一般采用催化劑為AlCl3,除了用量大以外 ,使用AlCl3存在一系列的問(wèn)題[1 ] :( 1 )產(chǎn)物的選擇性差 ;( 2 )自身有腐蝕性 ,對(duì)設(shè)備的腐蝕相當(dāng)嚴(yán)重 ;( 3)遇水迅速分解 ,釋放出大量的氯化氫氣體 ,對(duì)環(huán)境污染嚴(yán)重。
Especially the environmentally friendly recovery of catalyst and the asymmetric carbonylation of p-isobutylstyrene for preparing ibuprofen are reviewed.
對(duì)新一代消炎止痛藥物布洛芬的合成方法作了論述 ,重點(diǎn)介紹了被譽(yù)為典型“清潔生產(chǎn)”的Boots/Hoechst Celanese(BHC)方法及布洛芬合成中的綠色化進(jìn)展 ,特別對(duì)催化劑環(huán)境友好分離回收方法和對(duì)異丁基苯乙烯手性羰化合成布洛芬的研究進(jìn)展作了評(píng)述及展望 。
The chromatography method for determination of alkylation liquid, medium streams and product-isobutyl-benzene in branch alkylation of benzene with propylene was studied.
研究了苯與丙烯側(cè)鏈烷基化制異丁基苯過(guò)程中烴化液、餾分及產(chǎn)品的色譜分析方法.
Synthesis of isobutyl p-hydroxybenzoate catalyzed by gallium sulfate
硫酸鎵催化合成對(duì)羥基苯甲酸異丁酯
Syntheses of 4-butyryloxybenzaldehyde and 4-iso-butyryloxybenzaldehyde;
對(duì)甲酰基正丁酸苯酯和對(duì)甲?；惗∷岜锦サ暮铣?/p>
Synthesis of-3-(2 –oxobutyl)isobenzofuran-1(3H)-one;
3-(2 -氧代丁基)異苯并呋喃-1(3H)-酮的合成
EVALUATION OF THE INHIBITING POLYMERIZATION OF ISOPRENE USING TERT-BUTYL CATECHOL INHIBITOR
對(duì)叔丁基鄰苯二酚對(duì)異戊二烯阻聚效果的評(píng)價(jià)
Synthesis of 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazolecarboxylic acid
2-(3-氰基-4-異丁氧基苯基)-4-甲基-5-噻唑甲酸的合成
Thermal Isomerizations of meso- and dl-Diethyl 2,3-Dicyano-2,3 -Diphenylsuccinate
內(nèi)消旋-和外消旋-2,3-二氰基-2,3-二苯基丁二酸二乙酯的熱異構(gòu)化反應(yīng)
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p-methyl benzenesulfonic acid as catalyst.
以丁二酸和異丙醇為原料及對(duì)甲基苯磺酸為催化劑，催化合成丁二酸二異丙酯。
butyl phthalybutyl glycollate
丁基苯二甲酰基羥乙酸
Hydrogen-Bonded Self-assembling Supramolecular Poly(Isobutylene-co-p-methylstyrene-co-p-bromomethylstyrene);
氫鍵自組裝溴化異丁烯—對(duì)甲基苯乙烯共聚物彈性體的制備
Synthesis of penetrating agent N-butylbenzisothiazolone by phase-transfer catalysis
促滲劑N-正丁基苯并異噻唑酮的相轉(zhuǎn)移催化合成
Syntheses of 2-phenyl-1-butanol and 2-dimethylamino-2-phenylbutanenitrile
2-苯基-1-丁醇與2-二甲氨基-2-苯基丁腈的合成
para-tertiary butyl phenol phenolic resin
對(duì)叔丁基苯酚酚醛樹(shù)脂
4-(2,4-dichlorophenoxy) butyric acid
4-（2,4-二氯苯氧基）丁酸
cellulose butyl benzoate
丁基-苯甲酸纖維素
butylphenyl anisate
大茴香酸對(duì)丁基苯酯
Catalyzed Synthesis of Dibutyl Succinate by p-Toluene Sulfonic Acid;
對(duì)甲基苯磺酸催化合成丁二酸二丁酯
potassium mono-iso-butyl phthalate
鄰苯二甲酸單異丁酯鉀鹽