相转移催化
- phase transfer catalysis
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相转移催化(PTC)反应研究&Ⅲ.1-~(14)C,1,1-二溴-2-苯基环丙烷及其取代物的合成
Studies of Phase Transfer Catalysis & ⅲ . Preparation of 1 - ~ ( 14 ) C-1.1-Dibromo-2-Phenyl-cyclopropane and Its Derivatives
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以Mn(Ⅲ)/Mn(Ⅱ)为间接氧化还原体系,用间接电氧化的方法,在相转移催化条件下对醇类的氧化进行了研究。
Indirect electrooxidation of alcohols was studied by using Mn (ⅲ) / Mn (ⅱ) as a redox system under phase transfer catalysis .
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相转移催化2-甲基吲哚的N-烷基化反应
Studies of Phase Transfer Catalysis for N-Alkylation of 2-Methylindole
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相转移催化合成3-(N,N-二烯丙基)氨基-4-甲氧基乙酰苯胺
Synthesis of 3 - ( N , N-Diallyl ) Amino-4-Methoxy Acetanilide by phase-Transfer catalysis
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四乙基碘化铵相转移催化合成N,N&二乙基苯胺
Study of Phase Transfer Catalytic Synthesis of N , N-Diethylaniline with Tetraethyl Ammonium Iodide
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2-甲基吲哚-N-烷基化相转移催化机理及其动力学研究
Studies of Mechanism and Kinetics of N-Alkylation of 2-Methyl Indole Using Phase Transfer Catalyst
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相转移催化合成N,N′-二(3,5-二甲基吡唑)烷
Phase Transfer Catalytical Synthesis of N , N ' - Bis ( 3,5-dimethylpyrazolyl ) alkanes
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PEG对樟脑酰亚胺N-烃基化反应的相转移催化效果
The phase-transfer catalytic effect of PEG in the N-alkylation of camphorimide
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2,2′联吡啶在水/硝基苯界面对Co(Ⅱ)的相转移催化
The phase transfer of co (ⅱ) catalyzed by 2,2 ′ - bipyridine at the water / nitrobenzene interface
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相转移催化氧化脱除FCC汽油中含硫化合物的研究
FCC Gasoline Desulfurization by Phase Transfer Catalyzed Oxidation
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以KF&Al2O3为固碱相转移催化合成环丙烷羧酸酯
Synthesis of Cyclopropane Carboxylates through Phase Transfer Catalysis with Potassium Fluoride Coated Alumina as A Solid Base
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固-液相转移催化合成Ⅴ.醛亚胺的Michael加成和羰基加成反应合成α-氨基酸
Solid-Liquid Phase Transfer Catalytic Synthesis ⅴ . Michael Addition , Carbonyl Addition Reactions of Aldimines for the Synthesis of α - Amino Acids
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相转移催化反应的研究IV.聚乙二醇催化机理
Studies on Phase Transfer Catalysis IV. Catalytic Mechanism of Polyethylene Glycol
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方法以1,3,5三甲苯为起始原料,经过两步溴化、氰化、甲基化和N烷基化5步反应合成阿那曲唑,在第二步和最后一步反应中使用相转移催化方法。
Method 1,3,5-trimethylbenzene was selected as the start material . The final product was obtained in five steps , including two steps bromination , cyanidation , methylation and N - alkylation .
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以氯霉素生产中的副产物邻硝基乙苯为原料,经铁酸还原和相转移催化N-烷基化反应合成了N,N-二丁基邻乙基苯胺(DBEA)。
N , N dibutyl o ethyl aniline ( DBEA ) was synthesized with o nitro ethyl benzene by reduction and alkylation .
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固液相转移催化N-烷基化反应Azone的合成
Solid-liquid phase transfer catalytic N-alkylation & synthesis of azone
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阴离子相转移催化的Friedel-Crafts烷基化反应
The Friedel-Crafts Alkylation by Anion Phase Transfer Catalysis
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相转移催化合成BLP
Synthesis of BLP with Phase Transfer Catalysis
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Wittig反应的研究(Ⅷ)&相转移催化二苯基烯丙基型Wittig反应
STUDIES ON THE WITTIG REACTION (ⅶ) & Phase Transfer Catalyzed Wittig Reaction of Allyl Diphenyl Ylids
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通过钠盐制备、相转移催化、水洗分离、精馏四段工艺得到GA的总收率为78.2%,纯度为97.0%。
℃ . A total GA yield of 78.2 % and purity 97.0 % were obtained from the entire process including SA preparation , phase transfer reaction , water washing and distillation .
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方法采用相转移催化法合成了6个喜树碱糖苷衍生物(7~12),经1HNMR,IR和MS分析确证了化合物的结构。
Methods Six camptothecin glycosides ( 7-12 ) were synthesized by phase transfer catalysis . The structures of all compounds synthesized were determined by ~ ( 1 ) H NMR , IR and MS.
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考察了RuO4相转移催化氧化法合成对硝基苯甲酸的各种影响因素。
Various factors affecting the preparation of p-nitrobenzoic acid by PTC-RuO_4-NaClO method were investigated .
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最好的方法是用氯乙醇和8羟基喹啉在K2CO3/PEC600/THF条件下进行相转移催化反应。
The phase transfer catalytic reaction of chloroethanol with 8-hydroxyquinoline under the condition of K_2CO_3 / PEG-600 / THF is the most suitable method .
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相转移催化法合成酸性红玉3GS
Synthesis of Acid Rubine 3GS With Phase Transfer Catalysis
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聚乙二醇相转移催化作用下Darzens酯缩合异硫氰基乙酸乙酯的合成
Polyethylene Glycols Used as Phase Transfer Catalyst for Darzens Glycidic Ester Condensation
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其中N4溴丁基邻苯二甲酰亚胺(1)改用相转移催化法合成,收率由文献的65%提高到88%。
N ( 4 bromobutyl ) phthalimide was prepared by a phase transfer catalyst in 88 % yield .
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相转移催化合成紫外线吸收剂UV-326
Synthesis of ultraviolet absorbent UV-326 by phase transfer catalysis
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相转移催化下有机硼烷的反应&由KBH4和烯烃一锅反应合成二烷基酮
PTC Reaction of Organoborane : A One-pot Synthesis of Ketone via KBH_4 and Alkene
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采用聚乙二醇相转移催化合成甲基异柳磷,讨论了反应物配比、催化剂用量、溶液pH值、温度、时间对反应的影响,试验得出反应的最佳工艺条件,其收率由80%提高到86.7%。
Catalytic synthesis of isofenphos-methyl with polyethylene glycol , the ratio of raw material , pH of solvent , reaction temperature and reaction time were discussed , and then optimum technological condition were obtained , the yield of product increased from 80 % to 86.7 % .
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Galvinoxyl/K3Fe(CN)6/KOH复合体系相转移催化合成对称取代偶氮苯
Oxidation of Aromatic Amines to Symmetrical Substituted Azobenzenes under Phase - Transfer Catalysis with Galvinoxyl / K_3Fe ( CN ) _6 / KOH System