SU172839A1 - METHOD OF OBTAINING 1-AMINO-4-OXIANTHRAINO-2-CARBIC ACID - Google Patents
METHOD OF OBTAINING 1-AMINO-4-OXIANTHRAINO-2-CARBIC ACIDInfo
- Publication number
- SU172839A1 SU172839A1 SU922591A SU922591A SU172839A1 SU 172839 A1 SU172839 A1 SU 172839A1 SU 922591 A SU922591 A SU 922591A SU 922591 A SU922591 A SU 922591A SU 172839 A1 SU172839 A1 SU 172839A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- amino
- obtaining
- oxianthraino
- acid
- carboxylic acid
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N Boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N n-butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- LFKLTGPCMCEKPE-UHFFFAOYSA-N 1-amino-4-bromo-9,10-dioxoanthracene-2-carboxylic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(Br)=CC(C(O)=O)=C2N LFKLTGPCMCEKPE-UHFFFAOYSA-N 0.000 description 1
- MQFPVUCMBCTZAD-UHFFFAOYSA-N 1-amino-4-hydroxy-9,10-dioxoanthracene-2-carboxylic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=CC(C(O)=O)=C2N MQFPVUCMBCTZAD-UHFFFAOYSA-N 0.000 description 1
- -1 1-amino-4-hydroxyanthraquinone-2-carboxylic acid sulfate Chemical compound 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
Description
Описываемое изобретение относитс к области получени полупродуктов, примен емых дл получени синих и фиолетовых красителей .The described invention relates to the field of producing intermediates used to obtain blue and violet dyes.
Предлагаетс способ получени 1-амино-4оксиантрахинон-2-карбоновой кислоты, который сОСтоит в том, что 1-амино-4-бромантрахинон-2-карбоновую кислоту обрабатывают олеумом или ковцентрированной серной кислотой в присутствии борной кислоты.A method is proposed for the preparation of 1-amino-4-oxyanthraquinone-2-carboxylic acid, which is based on the fact that 1-amino-4-bromo-thraquinone-2-carboxylic acid is treated with oleum or co-concentrated sulfuric acid in the presence of boric acid.
Пример l. 2 г (0,0058 г моль) 1-амино4-бромантрахинон-2-карбоновойкислоты ,Example l. 2 g (0.0058 g mol) of 1-amino4-bromanthraquinone-2-carboxylic acid,
4,78 г (0,0116 г-моль) борной кислоты « 25 мл 3-5%-ного олеума размешивают при 120°С в течение 8-12 час до прекращени выделени брома. Реакционную массу разбавл ют водой до концентрации серной кислоты 60%, при этом выпадает сульфат 1-амино-4-оксиантрахинон-2-карбоновой кислоты, который отфильтровывают, разлагают водой. Выпавшую свободную карбоновую кислоту отфильтровывают, промывают водой до нейтральной реакции по бумаге колго. Сушат При 80°С.4.78 g (0.0116 g-mol) of boric acid. 25 ml of 3-5% oleum are stirred at 120 ° C for 8-12 hours until the release of bromine is stopped. The reaction mass is diluted with water to a sulfuric acid concentration of 60%, and 1-amino-4-hydroxyanthraquinone-2-carboxylic acid sulfate is precipitated, which is filtered, decomposed with water. The precipitated free carboxylic acid is filtered off, washed with water until neutral reaction over paper. Dry at 80 ° C.
Выход 1,23 г (73%). Т. пл. 295 297°С.The output of 1.23 g (73%). T. pl. 295 ° C 297 ° C.
ОбЩИЙ выход 1-амино-4-оксиантрахинон-2карбо овой кислоты 977о- Фиолетовые кристаллы (из бутанола). Т. пл. 322-323°С (испр.).The total yield of 1-amino-4-hydroxyanthraquinone-2carboxylic acid is 977- Purple crystals (from butanol). T. pl. 322-323 ° С (recr.).
Найдено, %: С 63,59; 63,63; Н 3,19; 3,38; N 4,74; 4,90.Found,%: C 63.59; 63.63; H 3.19; 3.38; N 4.74; 4.90.
. Вычислено, %: С 63,60; Н 3,19; N 4,95.. Calculated,%: C 63.60; H 3.19; N 4.95.
Пример 2. Синтез провод т аналогично описанному в примере 1, но вместо олеума примен ют моногидрат.Example 2. The synthesis is carried out as described in Example 1, but monohydrate is used instead of oleum.
По окончании реакции массу разбавл ют водой, выпавший осадок отфильтровывают, промывают водой до нейтральной реакции по бумаге конго. Выход 99%.At the end of the reaction, the mass is diluted with water, the precipitated precipitate is filtered, washed with water until neutral reaction occurs on congo paper. Exit 99%.
Предмет изобретени Subject invention
Способ получени 1-ами,но-4-оксиантрахинон-2-карбоновой кислоты, отличающийс тем, что 1-амино-4-бромантрах-инон-2-карбоновую кислоту обрабатывают олеумом или концентрированной серной кислотой в присутствии борной кислоты.The method of obtaining 1-ami, but-4-oxyanthraquinone-2-carboxylic acid, characterized in that 1-amino-4-bromoanthra-inon-2-carboxylic acid is treated with oleum or concentrated sulfuric acid in the presence of boric acid.
Publications (1)
Publication Number | Publication Date |
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SU172839A1 true SU172839A1 (en) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2434142A1 (en) * | 1978-08-25 | 1980-03-21 | Ciba Geigy Ag | PROCESS FOR THE PREPARATION OF AMINO-HYDROXYANTHRAQUINONES |
US4328161A (en) * | 1977-09-20 | 1982-05-04 | Basf Wyandotte Corporation | Process for the preparation of 1-aminoanthraquinones |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4328161A (en) * | 1977-09-20 | 1982-05-04 | Basf Wyandotte Corporation | Process for the preparation of 1-aminoanthraquinones |
FR2434142A1 (en) * | 1978-08-25 | 1980-03-21 | Ciba Geigy Ag | PROCESS FOR THE PREPARATION OF AMINO-HYDROXYANTHRAQUINONES |
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