CAS: 1012-05-1; H-Dl-Hophe-Oh

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邻氯乙苯置于盐酸体系中,化学反应生成Dl-高苯丙氨酸
参考文献:4-和5-(ω-芳基烷基)恶唑烷硫酮的合成及其抗生育活性.
标题:4-和5-(ω-芳基烷基)恶唑烷硫酮的合成及其抗生育活性.
摘要:
Doi:10.1021/jm00312A608

专利信息

专利号:US-5527824-A
优先权日:1985-07-22
标题 :Substituted Di-T-Butlyphenols useful for inhibiting leukotriene synthesis
发明人：SCHERRER ROBERT A
权利人:RIKER LABORATORIES INC
摘要:Substituted Di-T-Butylphenols useful for inhibiting the synthesis of leukotrienes are disclosed.

专利号:US-6051704-A
优先权日:1996-07-22
标题:Synthesis of macrocyclic tetraamido-N ligands
发明人：GORDON-WYLIE SCOTT W; COLLINS TERRENCE J
权利人:UNIV CARNEGIE MELLON
摘要:New synthetic methods for the preparation of macrocyclic amido-N donor ligands are provided. The primary method of the present invention involves in general only two synthetic steps. In the first step, an α or β amino carboxylic acid is allowed to react with an optimal (approximately stoichiometric) amount of an activated malonate or oxalate derivative with mild heating. Upon completion of the double coupling reaction, hydrolysis of the reaction mixture yields a diamide containing intermediate (a macro linker). In the second step, stoichiometric amounts of a diamine, preferably an orthophenylene diamine, are added to the macro linker intermediate in the presence of a coupling agent and heat. This second double coupling reaction, is allowed to proceed for a period of time sufficient to produce a macrocyclic tetraamido compound. The substituent groups on the α or β amino carboxylic acid, the malonate, and the aryl diamine may all be selectively varied so that the resulting tetraamido macrocycle can be tailored to specific desired end uses. The macrocyclic tetraamide ligand may then be complexed with a metal, such as a transition metal, and preferably the middle and later transition metals, to form a robust chelate complex suitable for catalyzing oxidation reactions.

专利号:US-6146859-A
优先权日:1999-08-27
标题 :Facile synthesis of L-homophenylalanine by equilibrium shift enzymatic reaction using engineered tyrosine aminotransferase
发明人：CHEN SHUI-TEIN; TSENG MIN-JEN; SOOKKHEO BOONYARAS
权利人:ACADEMIA SINICA
摘要:A process for producing L-homophenylalanine comprises the step of reacting 2-oxo-4-phenylbutyric acid with a L-amino acid in the presence of tyrosine aminotransferase in a reaction solution to produce L-homophenylalanine.

专利号:US-5670666-A
优先权日:1993-09-27
标题:Process for preparing intermediates for the synthesis of D1 antagonists
发明人：HOU DONALD; DRAPER RICHARD W; LEE GARY M; MAS JANET L
权利人:SCHERING CORP
摘要:Disclosed are a process and intermediates of the formulae ##STR1## wherein X - is halide, BF 4 - , R 3 SO 3 - , wherein R 3 is C 1 -C 6 alkyl, CF 3 , C 1 -C 6 alkylphenyl or phenyl, and Q is a group of the formula ##STR2## wherein R is C 1 -C 6 alkyl; useful for preparing benzazepine intermediates of the formula ##STR3## These benzazepine intermediates are useful for preparing benzazepines having activity as selective D1 receptor antagonists.

专利号:WO-2025091704-A1
优先权日:2023-10-30
标题 :Manganese oxide loaded cobalt-chromium catalyst, preparation thereof, and use thereof in synthesis of p-chlorobenzaldehyde
发明人：DAI LIYAN; GAO SHENYUAN; ZHONG SHANDI; WANG XIAOZHONG
权利人:UNIV ZHEJIANG
摘要:Disclosed in the present invention are a manganese oxide loaded cobalt-chromium catalyst and a preparation method therefor, and the use of the catalyst in the selective catalytic oxidation of p-chlorotoluene to prepare p-chlorobenzaldehyde. The preparation steps comprise: weighing a certain amount of a manganese salt, weighing cobalt and chromium precursor metal salts according to the loading amount, dissolving them in deionized water, and stirring same to obtain a mixed solution. After the above substances are fully dissolved at a certain temperature, a certain amount of acid is added, and the mixture is continuously heated and stirred. After the reaction is finished, the solid mixture is filtered under suction and washed, then roasted to obtain the catalyst, and finally the catalyst is used for the catalytic oxidation of p-chlorotoluene to prepare p-chlorobenzaldehyde. The catalyst of the present invention has a relatively low preparation cost, is easy to recycle subsequently, and is environmentally friendly and pollution-free. Moreover, the reaction conditions are relatively mild, and both the reaction conversion rate and selectivity are greatly improved. It has a good industrialization prospect.

专利号:US-7060818-B2
优先权日:2003-02-21
标题:Synthesis of macrocyclic tetraamido compounds and new metal insertion process
发明人：HORWITZ COLIN P; GHOSH ANINDYA
权利人:UNIV CARNEGIE MELLON
摘要:An improved method of synthesizing a macrocyclic tetraamido compound includes protecting the amino portion of an amino carboxylic acid to form a protected amino carboxylic acid; exposing the protected amino carboxylic acid to a first solvent, preferably a hydrocarbon solvent, such as toluene or 1,2-dichloroethane, dichloromethane, dibromomethane and 1,2-dibromoethane. The carboxylic acid portion of the protected amino carboxylic acid is then converted to an activated carboxylic acid by one of esterification or acid halide formation, to form a protected amino activated carboxylic acid derivative. The protected amino activated carboxylic acid derivative is reacted with a diamine in the presence of a second solvent, such as THF or ,2-dichloroethane, dichloromethane, dibromomethane and 1,2-dibromoethane, to form a protected diamide diamine intermediate. Following deprotection, the diamide diamine intermediate is reacted with an activated diacid, such as an activated malonate, oxalate or succinate derivative to form the macrocyclic tetraamido compound. The macrocyclic tetraamido compound may further be complexed with a transition metal.