SU1109393A1 - Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives - Google Patents
Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives Download PDFInfo
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- SU1109393A1 SU1109393A1 SU833585055A SU3585055A SU1109393A1 SU 1109393 A1 SU1109393 A1 SU 1109393A1 SU 833585055 A SU833585055 A SU 833585055A SU 3585055 A SU3585055 A SU 3585055A SU 1109393 A1 SU1109393 A1 SU 1109393A1
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- USSR - Soviet Union
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- general formula
- derivatives
- diethylaminobenzo
- solvent
- hydrogen
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Abstract
СПОСОБ ПОЛУЧЕНИЯ 9-ДИЭТИЛАМИНОБЕНЗО (А)ФЕНОКСАЗИНОНА-5 ИЛИ ЕГО ПРОИЗВОДНЫХ общей формулы HsCz Н.С где R - водород или гидроксил RJ - водород или ацетил, конденсацией ароматического нитрозосоединени с соответствующим производным о(-нафтола в среде растворител при температуре кипени реакционной смеси, отличающийс тем, что, с целью увеличени выхода и расширени ассортимента целевых продуктов , в качестве ароматического нитрозосоединени используют гидрохлорид 6-нитрозо-З-диэтиламинофенола , в качестве соответствующего производного о( -нафтола используют соединение общей формулы г где R и R, имеют указанные значени , и процесс ведут в среде диметилформ- с амида в качестве растворител . METHOD OF OBTAINING 9-DIETHYLAMINOBENZE (A) PHENOXASINONE-5 OR ITS DERIVATIVES OF THE GENERAL FORMULA HsCz N. С where R is hydrogen or hydroxyl , characterized in that, in order to increase the yield and expand the range of target products, 6-nitroso-3-diethylaminophenol hydrochloride is used as an aromatic nitroso compound, as the corresponding derivative (Use naphthol compound of general formula wherein R g and R, are as defined above, and the process is carried out in dimetilform- medium with an amide as solvent.
Description
СОWITH
со со соwith so with so
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833585055A SU1109393A1 (en) | 1983-04-28 | 1983-04-28 | Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833585055A SU1109393A1 (en) | 1983-04-28 | 1983-04-28 | Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives |
Publications (1)
Publication Number | Publication Date |
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SU1109393A1 true SU1109393A1 (en) | 1984-08-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU833585055A SU1109393A1 (en) | 1983-04-28 | 1983-04-28 | Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives |
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SU (1) | SU1109393A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997029154A1 (en) * | 1996-02-05 | 1997-08-14 | Amersham Pharmacia Biotech Uk Limited | Benzophenoxazine dyes |
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1983
- 1983-04-28 SU SU833585055A patent/SU1109393A1/en active
Non-Patent Citations (1)
Title |
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1. Мб1ап R., Ulmann К., Zur Kentniss der chinizarin und Oxazinfarbstoffe, Lieb. Ann. der chemie, 1896, 289, s. 90 (прототип). * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997029154A1 (en) * | 1996-02-05 | 1997-08-14 | Amersham Pharmacia Biotech Uk Limited | Benzophenoxazine dyes |
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