SU433134A1 - - Google Patents
Info
- Publication number
- SU433134A1 SU433134A1 SU1801473A SU1801473A SU433134A1 SU 433134 A1 SU433134 A1 SU 433134A1 SU 1801473 A SU1801473 A SU 1801473A SU 1801473 A SU1801473 A SU 1801473A SU 433134 A1 SU433134 A1 SU 433134A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- nitro
- acid
- formaldehyde
- mol
- acetic acid
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
(54) (ШОСОБ ПОЛУЧЕНИЯ АШЛ-N- ЖШТИЛШДРАЗИДА НИТРОМУРОВШНОЙ КИСЛОТЫ п-нитрофенил-гидразона нитроформальдегида и Д г (0,5 моль) уксуснокислого натри в 40 мл уксусной кислоты постепенно добавл ют при перемешивании 3,2 мл (0,2 моль) брома, растворенного в 5 мл лед ной уксусной кислоты, и через 2 час выпавший осадок отфильтровывают , тщательно промывают водой до нейтоальной реакции - - - Выход 1,15 г (43, счита на вз тый арилгидразон нитроформальдегида ). Т. пл; 127-128 0 (из спирт - ---,, Найдено,: Л/20,96; 21,12 9% 6 Вычислено,:л/20,89. гидрази, .. п-: сндам.н ciU2 (cocWз)-/vwco Берут в реакцию 2,44 г (0,01 моль) п-ашносульфонилфенилгидразона нитроформальдегида и получают Vацетил- (п-ацетилаыидосульфонил)фенилJ-гидрааид нитромуравьинои кислоты аналогично примеру I. Т. пл. 230-23IOC с разложением (из спирта) выход 3 г (88, счита на вз тый п-аминосульфонилфенилгидразон нитроформальдегида) НайденоД:/ /16,ВО; 16,43 Сп%2/ 4°7 Вычислено,%: /vI6.27. ./ / Предмет зоОетени Способ получени арил-л/- ацетилгидразида нитромуравьиной кислоты , отличающийс тем, что арилгидразон нитроформальдегида обрабатывают бромом и ацетатом натри в среде лед ной уксусной кислоты с последующим выделением целевого продукта известным приемом. (54) (SHOCK FOR PREPARING ASHL-N-N-THRESTERN ACID NITROMENOMIC ACID p-nitrophenyl-hydrazone nitro-formaldehyde and D g (0.5 mol) of sodium acetate in 40 ml of acetic acid gradually add 3.2 ml (0.2 mol) to the mixture while stirring bromine dissolved in 5 ml of glacial acetic acid, and after 2 hours, the precipitated precipitate is filtered off, washed thoroughly with water until neurotal reaction - - - Yield 1.15 g (43, considering the nitro-formaldehyde arylhydrazone taken). mp; 127- 128 0 (from alcohol - --- ,, Found ,: L / 20.96; 21.12 9% 6 Calculated,: l / 20.89. Hydraz, .. n-: sddam.n ciU2 (cocWz) - / vwco Take in p A reaction of 2.44 g (0.01 mol) of p-ashnosulfonylphenylhydrazone of nitro formaldehyde gives V-acetyl (p-acetylideosulfonyl) phenylJ-hydraide of nitro-formic acid, as in Example I. T. pl. 230-23IOC with decomposition (from alcohol) yield 3 g ( 88, counting on p-aminosulfonylphenylhydrazone nitro-formaldehyde taken) FoundD: / / 16, VO; 16.43 Cp% 2/4 ° 7 Calculated,%: /vI6.27 ./ / Disclosure method Aryl-L / - nitromouravic acid acetylhydrazide, characterized in that the nitro-formaldehyde arylhydrazone is treated with bromine and sodium acetate in glacial acetic acid waist acid, followed by isolation of the desired product known method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1801473A SU433134A1 (en) | 1972-06-19 | 1972-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1801473A SU433134A1 (en) | 1972-06-19 | 1972-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU433134A1 true SU433134A1 (en) | 1974-06-25 |
Family
ID=20519194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1801473A SU433134A1 (en) | 1972-06-19 | 1972-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU433134A1 (en) |
-
1972
- 1972-06-19 SU SU1801473A patent/SU433134A1/ru active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Crawford et al. | 145. The Erlenmeyer reaction with aliphatic aldehydes, 2-phenyloxazol-5-one being used instead of hippuric acid | |
| SU433134A1 (en) | ||
| US2598667A (en) | Pteroic acids and process of preparing same | |
| GB1386150A (en) | 6-acylaminophenyl-4,5-dihydropyridazones | |
| US3345370A (en) | 4-(n-mono-substituted) hydrazones of 4-dedimethylamino-4-oxo-tetracycline | |
| US2927110A (en) | Process for the preparation of azomethines of 5-nitro-2-formyl furan with hydrazine compounds | |
| US2706732A (en) | Hydrazine derivatives | |
| GB1308055A (en) | Process for the preparation of nitroximes and nitroketones | |
| US2334201A (en) | Naphthalene derivatives and method of obtaining same | |
| US3997547A (en) | Phenylimino-2H-quinolizines | |
| US2401269A (en) | Preparation of nitrolic acids and pseudonitroles | |
| Roberts et al. | 316. A rearrangement of o-aminodiphenyl ethers. Part III. 2-Acylamidodiphenyl ethers | |
| US3933807A (en) | Preparation of cyanophenols | |
| GB1396203A (en) | 3-phenyl-4-oxo,1,2,3,-triazoline derivatives and their use as herbicides | |
| SU396993A1 (en) | The method of obtaining 1-nitroso-2-methylanthraquinone | |
| US1922206A (en) | 2-carboxy-5-nitro diphenyl | |
| GB1425309A (en) | Process for the preparation of 5-nitro-1,4-naphthoquinone | |
| GB1224845A (en) | Process for the production of 2-halo-5-nitrothiazoles | |
| US1921120A (en) | Amino alpha-phenoxy naphthalene | |
| SU521259A1 (en) | The method of obtaining o-aminophenols | |
| SU436057A1 (en) | METHOD OF OBTAINING ISOPROPYLIDENE DERIVATIVES OF PYRIDOXYN IN PT5FONM mmim | |
| SU376374A1 (en) | METHOD OF OBTAINING | |
| SU493470A1 (en) | The method of obtaining derivatives of 12-aminoindolo - (1.2 s) of quinazoline or their salts | |
| SU467075A1 (en) | The method of obtaining 2,5-bis = (oxytetrafluorophenyl) -1,3,4-oxadiazole | |
| US3193558A (en) | Process for the production of z-cyano- methylene-x-thiazolidinones |