FIELD: organic chemistry, antibiotics. SUBSTANCE: cephem compound of the general formula (I) (image), where R1 - amino- or protected amino-group; Z - nitrogen atom or group CH; R2 - lower alkyl, lower alkenyl, carboxy(lower)alkyl; R⊕ - group of the formula (II) (image) where R3 and R4 every means lower alkyl or taken together they form C3-C6-alkylene; A - lower alkylene; R5 - hydroxyl group or group of the formula (III) (image) where R6 - lower alkyl; Y - group CH or nitrogen atom; or its pharmaceutically acceptable salt. EFFECT: improved method of synthesis. 6 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING CEPHEMIC COMPOUNDS OR THEIR SALTS | 0 |
|
SU1831484A3 |
| METHOD OF SYNTHESIS OF CEPHEM COMPOUNDS OR THEIR ACID-ADDITIVE SALTS | 1988 |
|
RU2017744C1 |
| CEPHEM COMPOUNDS AND THEIR PHARMACEUTICALLY ACCEPTABLE SALTS | 1992 |
|
RU2081874C1 |
| ANTIBIOTIC COMPOSITION | 1988 |
|
RU2029549C1 |
| METHOD OF CEPHEME DERIVATIVES SYNTHESIS | 1989 |
|
RU2007408C1 |
| METHOD OF PRODUCING COMPOUNDS OF CEPHEM OR THEIR SALTS | 0 |
|
SU1604160A3 |
| METHOD OF PRODUCING 3-VINYLCEPHALOSPORINS OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS | 0 |
|
SU1186087A3 |
| METHOD OF PRODUCING DERIVATIVES OF 7-ACYLAMINO-3-VINYLCEPHALOSPORANIC ACID OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS | 0 |
|
SU1508962A3 |
| METHOD OF SYNTHESIS OF PYRAZOLE DERIVATIVES OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS | 1990 |
|
RU2021990C1 |
| METHOD OF CEPHEM COMPOUND OR THEIRS ADDITIVE SALTS WITH ACIDS SYNTHESIS | 0 |
|
SU1787158A3 |
