The present invention provides a hydrolysis method of tert-butyl ester used in a gadolinium contrast agent. The hydrolysis method comprises the following steps: hydrolyzing the tert-butyl ester by using a catalyst; a preparation method for the catalyst comprising the following steps: performing a ...
tert-Butyl peroxybenzoate A 75-91-2 tert.-butylhydroperoxide B 532-32-1 sodium benzoate Conditions ConditionsYield With sodium hydroxide; cetyltrimethylammonium chloride at 25℃; Rate constant; basic hydrolysis with different cationic micelles with or without NaOH; 563-79-1 2,3-Dimethyl...
(tert-Butoxycarbonyl)phenylalanine; 6: PN: RU2506269 PAGE: 13 claimed sequence; Alanine, N-carboxy-3-phenyl-, N-tert-butyl ester, L-; Alanine,N-carboxy-3-phenyl-, N-tert-butyl ester, L- (8CI); BOC-L-Phenylalanine; BOC-L-Phe-OH; Boc-Phe-OH; L-Phenylalanine, N-[(1,1-di...
PH 13 (5g/l, H2O, 20℃)Hydrolysis Water Solubility REACTS Hydrolytic Sensitivity 7: reacts slowly with moisture/water Sensitive Moisture Sensitive BRN 3556712 Stability: Stable, but reacts violently with water and acids, possibly leading to fire. Incompatible with water, acids, halogenated hydrocar...
(3-AMINO-PYRIDIN-4-YL)-METHANOL-->4-PYRIDIN-2-YLISOXAZOL-5-AMINE-->3-AMINO-ISONICOTINIC ACID ETHYL ESTER-->5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID-->ETHYL 2-(BROMOMETHYL)ACRYLATE-->TERT-BUTYL METHYL MALONATE-->Sodium triacetoxyborohydride-->PHOSPHO-L-ARGININE SODIUM-->3-...
K Kishore, JA Sattigeri, S Sethi - US Patent 7, 671 - www.google.com 2,2-dimethyl-{11 -aryloxy-alkanoic acids and salts and esters thereof. Apr 7, 1970, Feb 13, 1973,Sumitomo Chem Co Ltd,Ja, Phenoxy carboxylic acid derivative. US3781328, Sep 7, 1972, Dec25, 1973, Boehringer ...
1. Basic Product Information English synonym: Tert-Butylphenyl Diphenyl Phosphate; T-BUTYLPHENYL DIPHENYL PHOSPHATE; Phosphoric Acid (1,1-Dimethylethyl) PhenylDiphenylEster; Arylphosphates; Tetrabutylphenyldiphenylphosphate; BPDP; PARA-TERT-BUTYLPHENYLDIPHENYLPHOSPHATE; Dirtphosphate-Butylphenyl ...
Characterized in that: the compound IV as a raw material, under alkaline conditions, and di-tert-butyl ester; and then in the role of a base, and N- fluoro double benzenesulfonamide occur fluorinated reaction intermediate. 中间体在碱性条件发生水解反应即得(I). Intermediate hydrolysis reaction ...
ChemInform Abstract: TEMPERATURE DEPENDENCE OF ACTIVATION PARAMETERS IN THE NEUTRAL ESTER HYDROLYSIS IN TERT-BUTYL ALCOHOL-WATER SOLUTIONSesterification, ester hydrolysisdoi:10.1002/chin.198402124KANERVAL. TChemischer Informationsdienst
The present invention provides a hydrolysis method for tert-butyl ester in gadolinium-based contrast agent. The hydrolysis method comprises the step of hydrolyzing the tert-butyl ester with a catalyst. The preparation method of the catalyst comprises the following steps: subjecting zirconia and ...