SU956461A1 - Process for producing 1,4-diaminoanthraquinone-2-carboxylic acid - Google Patents
Process for producing 1,4-diaminoanthraquinone-2-carboxylic acid Download PDFInfo
- Publication number
- SU956461A1 SU956461A1 SU802953899A SU2953899A SU956461A1 SU 956461 A1 SU956461 A1 SU 956461A1 SU 802953899 A SU802953899 A SU 802953899A SU 2953899 A SU2953899 A SU 2953899A SU 956461 A1 SU956461 A1 SU 956461A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- carboxylic acid
- diaminoanthraquinone
- producing
- reaction
- yield
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
размешивании нагревают 4 ч при . По окончании реакции автоклав охлаждают , вскрывают, неренос т содержимое в колбу, отгон ют аммиак, подкисл ют до слабокислой реакции по бумаге Конго. Выпавший осадок отфильтровывают, промывают водой до нейтральной реакции, сушат . Вес продукта 2,55 г, содержание 1,4диаминоантр1ахинон-2-карбоновой кислоты 98%, выход 100%.stirring heated for 4 h at. At the end of the reaction, the autoclave is cooled, opened, the contents are not transferred to the flask, ammonia is distilled off, acidified to a slightly acidic reaction on Congo paper. The precipitation is filtered off, washed with water until neutral, dried. Product weight 2.55 g, the content of 1,4-diaminoate 1quinone-2-carboxylic acid 98%, yield 100%.
Пример 2. Процесс осуществл ют по примеру 1, но при 120° С и продолжительности реакции 1,5 ч. Вес продукта 2,49 г, сод-ержание 1,4-диаминоантрахинон2-карбоновой кислоты 100%. Выход 100%.Example 2. The process is carried out as in Example 1, but at 120 ° C and a reaction time of 1.5 hours. The weight of the product is 2.49 g, the content of 1,4-diaminoanthraquinone-2-carboxylic acid is 100%. The yield is 100%.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802953899A SU956461A1 (en) | 1980-07-07 | 1980-07-07 | Process for producing 1,4-diaminoanthraquinone-2-carboxylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802953899A SU956461A1 (en) | 1980-07-07 | 1980-07-07 | Process for producing 1,4-diaminoanthraquinone-2-carboxylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
SU956461A1 true SU956461A1 (en) | 1982-09-07 |
Family
ID=20907317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802953899A SU956461A1 (en) | 1980-07-07 | 1980-07-07 | Process for producing 1,4-diaminoanthraquinone-2-carboxylic acid |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU956461A1 (en) |
-
1980
- 1980-07-07 SU SU802953899A patent/SU956461A1/en active
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