an alkyl or phenyl which can be substituted; R' is an alkyl or phenyl which can be substituted) in the presence of an optically active organic amine in a solvent (e.g. ethyl acetate) at 0-25°C for 1-5 hours to obtain an optically active 3-(p-methoxyohenyl)glycidic acid salt of...
Development of a Continuous Process for the Large-Scale Asymmetric Manufacture of ( R )-3-Methoxy-2-(4-methylpiperazin-1-yl)propanoic Acid A large-scale enantioselective manufacturing route to an unusual piperazine-substituted amino acid is described. Previous synthetic routes to this amino ac... ...
para-Hydroxy-2-oxo-phenylacethydroxymic acid chloride para-Hydroxydiphenyl para-Hydroxyphenol para-Isopropylaminodiphenylamine para-Methoxy cinnamic aldehyde para-Methoxycinnamoyl hydrazide para-Methoxytoluene para-Methylanisole para-N,N-Di(beta-chloroethyl) aminophenyl butyric acid para-Nitro sodium phenolate...
and is optionally substituted, e.g. by methoxy, ethoxy, phenyl or phenoxy, and includes cycloalkyl, e.g. cyclohexyl, and aryl is preferably mono-nuclear (optionally substituted phenyl) and anion.crclbar. is an equivalent of any suitable anion, preferably of a mineral acid, e.g. Cl.crclba...
5) D(-)-2-Phenyl-N-(α-methyl-β-car-bethoxyinyl)aminoacetic acid potassium salt D(-)-苯甘氨酸乙基邓钾盐6) D(-)-4-Hydroxy-α-((3-methoxy-1-methyl-3-oxo-1-propenyl)amino)benzeneacetic acid monopotassium salt 左旋对羟基苯甘氨酸甲基邓钾盐补充资料:D-对羟基苯甘氨酸邓钾盐 分子式:暂无...
To a mixture of 1.9 g of 3-(2-hydroxy-4-hexadecyloxy-5-tert-butylphenyl)sulfamoyl-4-(2-methoxyethox y)aniline, 40 ml of methylene chloride, 10 ml of N,N-dimethylacetamide, and 0.7 ml of pyridine was added 2.8 g of the Intermediate (g) in a stream of nitrogen at room temperature ...
methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-(β-hydroxyethylaminomethyl)phenol, 4-amino-2-fluorophenol, 4-amino-2,6-dichlorophenol, 4-amino-6[(5′-amino-2′-hydroxy-3′-methyl)phenyl methyl]-2-methylphenol and bis(5′-amino-2′-hydroxyl)phenylmethane, and the acid ...
by condensn. of glyoxylic acid with excess (=25%) methyl carbamate in acetic acid at room temp. and then reaction of this prod. in the same medium without isolation, with excess (10-500%) phenol and an equimolecular quantity of hydrogen chloride. The reaction mixt. is concn. to half ...
Azo ligand and its metal complexes were synthesized by coupling methoxy phenylimidazole and the diazonium salt of PABA at 0–5 °C, and complexes were prepared by reacting the ligand with metal salts [72]. Through the reaction of diazonium salt of p-aminobenzoic acid and pyrogallol, the azo...
Treatment of IIId with epichlorohvdrin gave 1-[5-chloro-2-(2-oxiranylmethoxy)phenyl]-2-methoxy-4-(1H)quinolinone (VIa) which in turn upon treatment with isopropylamine gave 1-[5-chloro-2-[2-hydroxy-3-(1-methylethylamino)propoxy]phenyl]-2-methoxy-4-(1 H )quinolinone (VIIa). ...