SU480703A1 - The method of obtaining anthra- (1.9 sun) -pyrrole-1-carboxylic acid or its halo derivatives - Google Patents
The method of obtaining anthra- (1.9 sun) -pyrrole-1-carboxylic acid or its halo derivativesInfo
- Publication number
- SU480703A1 SU480703A1 SU1978405A SU1978405A SU480703A1 SU 480703 A1 SU480703 A1 SU 480703A1 SU 1978405 A SU1978405 A SU 1978405A SU 1978405 A SU1978405 A SU 1978405A SU 480703 A1 SU480703 A1 SU 480703A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- carboxylic acid
- pyrrole
- anthra
- sun
- obtaining
- Prior art date
Links
Description
ту, т. пл. 296 297°С (из водного ацетона).that, t. pl. 296 297 ° С (from aqueous acetone).
Найдено, %: С 72,99, 73,22; Н 3,75, 3,59; N 5,68, 5,57.Found,%: C 72.99, 73.22; H 3.75, 3.59; N 5.68, 5.57.
CieHgNOs.CieHgNOs.
Вычислено, %: С 73,00; Н 3,43; N 5,32.Calculated,%: C 73.00; H 3.43; N 5.32.
Аналогично, использу вместо ацетата натри бикарбонат натри , получают антра 1 ,9Ьс -пиррол-1-карбоновую кислоту.Similarly, using sodium bicarbonate instead of sodium acetate, antra 1, 9Bc -pyrrole-1-carboxylic acid is obtained.
Пример 2. 1 г сульфата 6-бром-4-метилантраоиридонил-Ьдиазони , нолученного из 1-амино-6-бром-4-метилантраниридона в услови х примера 1, в«ос т в 100 мл 2%-иого раствора ацетата натри , неремешивают несколько МИнут и отфильтровывают 0,7 г (90%) 5-бром- 3 -метиллирролантрон- 1 -карбоновой кислоты, т. ил. выше 350°С (из водного дноксана ).Example 2: 1 g of 6-bromo-4-methylanthraoiridonyl-Lyzonium sulphate, obtained from 1-amino-6-bromo-4-methylanthraniridone under the conditions of example 1, was dissolved in 100 ml of 2% sodium acetate solution, do not mix up a few minutes and filter 0.7 g (90%) of 5-bromo-3-methyrrolantan-1-carboxylic acid, t. Il. above 350 ° C (from water lenoxan).
Найдено, %: С 57,31, 57,60; Н 2,68, 2,57; N 4,06, 3,80.Found,%: C 57.31, 57.60; H 2.68, 2.57; N 4.06, 3.80.
СпНюМОзВг.SPNMOZVg.
Вычислено, %: С 57,32; Н 2,54; N 3,93.Calculated,%: C 57.32; H 2.54; N 3.93.
Аналогично из 1-амшю-6-хлорантрапиридона получают 5-хлорпирролантрои-1-карбонов у ю кислоту.Similarly, from 1-H-6-chloro-anthrapyridone, 5-chloropyrrolanthro-1-carboxylic acid is obtained.
Предмет изобретени Subject invention
Способ полу1чени антра- 1,9Ьс -пиррол-1карбоиовой кислоты или ее галоидпроизводиых , отличающийс тем, что 1-аминоантрапиридОН или его галоидзамещенные подвергают диазотированию и полученные соли антрапиридонил-1-диазони обрабатывают щелочными агентами, наприатер ацетатом натри , с последующим выделением целевого продукта известными приемами.Method polu1cheni anthracene 1,9s -pyrrole-1karboiovoy acid or galoidproizvodiyh, characterized in that 1-aminoantrapiridON or halogenated subjected to diazotization and the resulting salt anthrapyridone-1-diazonium treated with alkaline agents, napriater sodium acetate, followed by isolation of the desired product by known tricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1978405A SU480703A1 (en) | 1973-12-24 | 1973-12-24 | The method of obtaining anthra- (1.9 sun) -pyrrole-1-carboxylic acid or its halo derivatives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1978405A SU480703A1 (en) | 1973-12-24 | 1973-12-24 | The method of obtaining anthra- (1.9 sun) -pyrrole-1-carboxylic acid or its halo derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU480703A1 true SU480703A1 (en) | 1975-08-15 |
Family
ID=20570171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1978405A SU480703A1 (en) | 1973-12-24 | 1973-12-24 | The method of obtaining anthra- (1.9 sun) -pyrrole-1-carboxylic acid or its halo derivatives |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU480703A1 (en) |
-
1973
- 1973-12-24 SU SU1978405A patent/SU480703A1/en active
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