FIELD: organic synthesis. SUBSTANCE: compounds with general formula 
wherein R is hydrogen or methyl are prepared by acylation of sulfuric acid salt of N-methyl-p-aminophenol (1 part) with corresponding acetylhydroxybenzoyl chloride (3.5-4.5 parts) in acetic acid at 30-35 C in presence of sodium acetate (5.5-6.5). EFFECT: increased yield and simplified technology.
| Title | Year | Author | Number |
|---|---|---|---|
| PROCESS FOR PREPARING AQUEOUS SOLUTION OF SODIUM N-ACYL- N-HYDROXYALKYL GLYCINATE DERIVATIVES | 1994 |
|
RU2071465C1 |
| COMPOSITION HAVING FLOCCULATE ACTION WHICH COMPRISES POLY-N,N,N,N-TRIMETHYLMETACRYLOYLOXYETHYL AMMONIUM METHYL SULFATE AND METHOD FOR PRODUCTION OF COMPOSITION | 1993 |
|
RU2106370C1 |
| 0 |
|
SU385446A1 | |
| 4-AMINOPHENOL DERIVATIVES OR THEIR N-ALKYL OR SALT DERIVATIVES SHOWING ANTIINFLAMMATORY ACTIVITY | 1990 |
|
RU2049779C1 |
| METHOD OF SYNTHESIS OF BETA-LACTAM DERIVATIVE | 1991 |
|
RU2136759C1 |
| 0 |
|
SU528867A3 | |
| BENZAZEPIN, BENZOXAZEPIN OR BENZOTHIAZEPIN-N-ACETIC ACID, METHOD OF PREPARATION THEREOF, AND DRUG CONTAINED THEREIN | 1996 |
|
RU2159768C2 |
| METHOD OF PREPARING CRYSTALLINE 7-[2-(2- AMINOTHIAZOLE-4-YL) -2(Z)-METHOXYIMINOACETAMIDO] -3-[(1- -METHYL -1-PYRROLIDINO) METHYL] -CEPH-3- EM-4-CARBOXYLATE DIHYDROCHLORIDE MONO- OR DIHYDRATE FREE FROM ANTIISOMER AND Δ-ISOMER | 1992 |
|
RU2039059C1 |
| METHOD OF PRODUCING (S)-7,8-DIFLUORO-2,3-DIHYDRO-3-METHYL-4H-[1,4]BENZOXAZINE | 2010 |
|
RU2434004C1 |
