FIELD: organic chemistry. SUBSTANCE: the desired products are prepared by cyclization of the corresponding enamine in an aprotonic dipolar solvent in the presence of a hydrogen halide acceptor such as triethylamine. The process is simplified by using cheaper and accessible raw material. EFFECT: increased yield, simplified process and greater range of the desired products. 1 tbl
| Title |
Year |
Author |
Number |
| METHOD OF SYNTHESIS OF DERIVATIVES OF $$$-(2,4-DICHLORO-5-NITROBENZOYL)-$$$-AMINOACRYLIC ACID |
1985 |
- Glushkov R.G.
- Levshin I.B.
- Marchenko N.B.
|
SU1334653A1 |
| METHOD OF SYNTHESIS OF 4-QUINOLONE-3-CARBOXYLIC ACID DERIVATIVES |
1985 |
- Glushkov R.G.
- Levshin I.B.
- Marchenko N.B.
- Chistjakov V.V.
|
SU1341944A1 |
| METHOD OF PRODUCING DERIVATIVES OF 1,8-NAPHTHYRIDIN OR SALTS THEREOF |
0 |
- Dzyun-Iti Matsumoto
- Siniti Nakamura
- Teruyuki Miyamoto
- Khitosi Uno
|
SU1442075A3 |
| SPIROCOMPOUND OR SALTS THEREOF, METHOD OF PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION BASED THEREON HAVING ANTIMICROBIAL ACTIVITY |
1989 |
- Isao Khajakava[Jp]
- Sokhgo Atarasi Masazumi Jmamura[Jp]
- Euiti Kimura[Jp]
|
RU2094432C1 |
| 1-ETHYL-6- NITRO-7- (4-METHYLPIPERAZINYL)- 4-OXO- 1,4-DIHYDROQUINOLINE -3-CARBOXYLIC ACID OR ITS HYDROCHLORIDE SHOWING ANTIBACTERIAL ACTIVITY |
1986 |
- Glushkov R.G.
- Levshin I.B.
- Marchenko N.B.
- Padejskaja E.N.
- Silin V.A.
- Shipilova L.D.
- Fadeeva N.I.
- Degtjareva I.N.
|
SU1389234A1 |
| METHOD OF N-(1 |
0 |
- Isao Khayakava
- Eiti Kimura
|
SU1792416A3 |
| METHOD OF OBTAINING PYRAZOLE DERIVATIVES OR THEIR SALTS, OR ORGANIC ACID ESTERS |
0 |
- Takuo Konotsune
- Katsukhiko Kavakubo
|
SU649315A1 |
| DERIVATIVES OF 5-AMINO-8-METHYL-7-PYRROLIDINYLQUINOLINE-3- -CARBOXYLIC ACID, METHODS OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITION, INTERMEDIATE COMPOUND, METHOD OF PATIENT TREATMENT |
1994 |
- Jasuo Ito
- Khideo Kato
- Singo Jasuda
- Norijuki Kado
- Tosikhiko Esida
- Eiti Jamamoto
|
RU2130932C1 |
| TRICYCLIC DIAZEPINE VASOPRESSIN AND OXYTOCIN ANTAGONISTS, METHOD OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITION, METHOD OF TREATMENT |
1994 |
- Dzhej D.Olbrajt
- Mehrvin F.Rejch
- Fuk-Vakh Sam
- Ehfren Gil'Ermo Delos Santos
|
RU2126006C1 |
| METHOD FOR PREPARING INTERMEDIATE SUBSTANCES FOR QUINOLONE ANTIBIOTICS |
2003 |
|
RU2289576C2 |
