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 PDF

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Publication number
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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SU
USSR - Soviet Union
Prior art keywords
general formula
derivatives
diethylaminobenzo
solvent
hydrogen
Prior art date
Application number
SU833585055A
Other languages
Russian (ru)
Inventor
Николай Николаевич Алексеев
Александр Яковлевич Гореленко
Николай Николаевич Васильев
Original Assignee
Ордена Трудового Красного Знамени Институт Физики Ан Бсср
Предприятие П/Я Г-4046
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Priority to SU833585055A priority Critical patent/SU1109393A1/en
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Publication of SU1109393A1 publication Critical patent/SU1109393A1/en

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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

Claims (1)

СПОСОБ ПОЛУЧЕНИЯ 9-ДИЭТИЛАМИНОБЕНЗО(А)ФЕНОКСАЗИНОНА-5 ИЛИMETHOD FOR PRODUCING 9-DIETHYLAMINOBENZO (A) PHENOXASINON-5 OR ЕГО ПРОИЗВОДНЫХ общей формулы где R1 - водород или гидроксилJ R2 - водород или ацетил, конденсацией ароматического нитрозо соединения с соответствующим производным с(-нафтола в среде растворителя при температуре кипения реакционной смеси, отличающийся тем, что, с целью увеличения выхода и расширения ассортимента целевых продуктов, в качестве ароматического нитрозосоединения используют гидрохлорид 6-нитрозо-З-диэтиламинофено ла, в качестве соответствующего производного d-нафтола используют соеди нение общей формулы к он 8 где R, и Rj имеют указанные значения, и процесс ведут в среде диметилформ- g амида в качестве растворителя. .Its derivatives of general formula wherein R 1 - R is hydrogen or gidroksilJ 2 - hydrogen or acetyl, by condensation of an aromatic nitroso compound with a corresponding derivative (naphthol in a solvent at the reflux temperature of the reaction mixture, characterized in that, in order to increase output and range target products, as the aromatic nitroso compounds used hydrochloride 6-nitroso-W-dietilaminofeno la, as appropriate d-naphthol derivative is used of the general formula Compd nenie it to 8 wherein R, and Rj have y those indicated value, and the process is conducted in a medium dimetilform- g of the amide as solvent.. СО оо со ооSO oo oo 109393109393
SU833585055A 1983-04-28 1983-04-28 Process for preparing 9-diethylaminobenzo(a)phenoxazinone-5 or its derivatives SU1109393A1 (en)

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

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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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SU1109393A1 true SU1109393A1 (en) 1984-08-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997029154A1 (en) * 1996-02-05 1997-08-14 Amersham Pharmacia Biotech Uk Limited Benzophenoxazine dyes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1. Мб1ап R., Ulmann К., Zur Kentniss der chinizarin und Oxazinfarbstoffe, Lieb. Ann. der chemie, 1896, 289, s. 90 (прототип). *

Cited By (1)

* Cited by examiner, † Cited by third party
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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