FIELD: organic chemistry. SUBSTANCE: product: 5-hydroxy-derivatives of 2,3-dihydro-4,6,7-2-(RS)-benzofuranacetic acid of the formula (I) 
where R - hydrogen atom or -COR2-acyl where R2 - linear or branched C1-C4-alkyl. Reagent 1: derivatives of 4-(2,5-dihydroxy-3,4,6-trimethylphenyl)-2-butenoic acid of the formula (II) 
where R3 - H or lower alkyl. Double bond can be in configuration trans- or cis-. Synthesized compounds were used in medicine. EFFECT: simplified process, decreased cost.
| Title | Year | Author | Number |
|---|---|---|---|
| 2,3-DIHYDRO-5-HYDROXY-4,6,7-TRIMETHYLBENZOFURANS OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS AND METHODS OF THEIR SYNTHESIS | 1990 |
|
RU2068845C1 |
| QUINONE DERIVATIVES | 1992 |
|
RU2054412C1 |
| DERIVATIVES OF BENZIMIDAZOLONE, MIXTURE OF THEIR ISOMERS OR THEIR ACID ADDITIVE SALTS AS ANTAGONIST OF RECEPTOR 5HT AND 5HT | 1992 |
|
RU2096411C1 |
| 0 |
|
SU334697A1 | |
| THIAZOLIDINE COMPOUNDS, METHOD OF PREPARATION THEREOF, METHOD OF REDUCING SUGAR CONTENT IN BLOOD OF MAMMALS | 1992 |
|
RU2095354C1 |
| PYRIMIDINE DERIVATIVES, METHOD OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITION BASED ON THEREOF | 1994 |
|
RU2098411C1 |
| METHOD OF PRODUCING DIHYDROBENZOPYRAN OR DIHYDROBENZOTHIOPYRAN DERIVATIVES OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF | 0 |
|
SU1321375A3 |
| N-IMIDAZOLYL DERIVATIVES OF THE SUBSTITUTED ALKOXYIMINOTETRAHYDRONAPHTHALENES OR CHROMANES OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS AND PHARMACEUTICAL COMPOSITION SHOWING ACTIVITY OF THROMBOXANE ANTAGONIST AND THROMBOXANE SYNTHASE INHIBITOR | 1992 |
|
RU2083566C1 |
| COMPOUNDS OF CEPHEM AND ITS PHARMACEUTICALLY AND VETERINARY ACCEPTABLE SALTS AND METHOD FOR THEIR PRODUCTION | 1990 |
|
RU2074186C1 |
| DERIVATIVES OF THIAZOLIDINE-2,4-DIONE AND METHOD FOR ITS PRODUCTION | 1992 |
|
RU2103265C1 |
