SU1047903A1 - 2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl - Google Patents

2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl Download PDF

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Publication number
SU1047903A1
SU1047903A1 SU823420651A SU3420651A SU1047903A1 SU 1047903 A1 SU1047903 A1 SU 1047903A1 SU 823420651 A SU823420651 A SU 823420651A SU 3420651 A SU3420651 A SU 3420651A SU 1047903 A1 SU1047903 A1 SU 1047903A1
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SU
USSR - Soviet Union
Prior art keywords
oxyl
tetramethyl
hydroxylamine hydrochloride
diazepin
oxopiperidin
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SU823420651A
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Russian (ru)
Inventor
Станислав Анатольевич Кедик
Эдуард Григорьевич Розанцев
Алдан Александрович Усвяцов
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Научно-Исследовательский Институт По Биологическим Испытаниям Химических Соединений
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Priority to SU823420651A priority Critical patent/SU1047903A1/en
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Abstract

СПОСОБ ПОЛУЧЕНИЯ 2,2,7,7-ТЕТРАМЕТИЛ-5-ОКСО-ГЕКСАГИДРО-1 ,4-ДИАЗЕПИН-1-ОКСИЛА конденсацией 2,2,6,6-тетраметил-4-оксопиперидин-1-оксила с сол нокислым гидроксиламином в водной средепри комнатной температуре, отличающийс  тем, что, с целью увеличени  выхода целевогопродукта , после добавлени  сол нокислого гидроксиламииа реакционную смесь обрабатывают углекислым кёшием и процесс ведут при мольном соотношении 2,2,6, 6-тетраметил-4-оксопиперидин-1-оксил: :сол нокислый гидроксиламин:углекислый калий, равном 1:1 - 1,1:0,4-0,5.A method for producing 2,2,7,7-tetramethyl-5-oxo-hexa-hydro-1, 4-diazepine-1-oxyl by condensation of 2,2,6,6-tetramethyl-4-oxopiperidin-1-oxyl with hydroxylamine hydrochloride in water at room temperature, characterized in that, in order to increase the yield of the target product, after adding hydroxylamine hydrochloride, the reaction mixture is treated with carbon dioxide and the process is carried out at a molar ratio of 2.2.6, 6-tetramethyl-4-oxopiperidine-1-oxyl: : hydroxylamine hydrochloride: potassium carbonate, equal to 1: 1 - 1.1: 0.4-0.5.

Description

4 four

СО О ОРCO OR

Claims (1)

СПОСОБ ПОЛУЧЕНИЯ 2,2,7,7-ТЕТРАМЕТИЛ-5-ОКСО-ГЕКСАГИДРО-1,4-ДИАЗЕПИН- 1-ОКСИЛА конденсацией 2,2,6,6-тётраметил-4-оксопиперидин-1-оксила с солянокислым гидроксиламином в водной среде'при комнатной температуре, отличающийся тем, что, с целью увеличения выхода целевого продукта, после добавления солянокислого гидроксиламина реакционную смесь обрабатывают углекислым калием и процесс ведут при мольном соотношении 2,2,6, 6-тетраметил-4-оксопиперидин-1-оксил: :солянокислый гидроксиламин:углекислый калий, равном 1:1 - 1,1:0,4-0,5.METHOD FOR PRODUCING 2,2,7,7-TETRAMETHYL-5-OXO-HEXAHYDRO-1,4-DIAZEPIN-1-OXYL by condensation of 2,2,6,6-tetramethyl-4-oxopiperidin-1-oxyl with hydrochloric acid hydroxylamine in aqueous medium at room temperature, characterized in that, in order to increase the yield of the target product, after adding hydroxylamine hydrochloride, the reaction mixture is treated with potassium carbonate and the process is carried out in a molar ratio of 2,2,6,6-tetramethyl-4-oxopiperidin-1-oxyl :: Hydroxylamine hydrochloride: Potassium carbonate, equal to 1: 1 - 1.1: 0.4-0.5.
SU823420651A 1982-04-26 1982-04-26 2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl SU1047903A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU823420651A SU1047903A1 (en) 1982-04-26 1982-04-26 2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU823420651A SU1047903A1 (en) 1982-04-26 1982-04-26 2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl

Publications (1)

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SU1047903A1 true SU1047903A1 (en) 1983-10-15

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SU823420651A SU1047903A1 (en) 1982-04-26 1982-04-26 2,2,7,7-tetramethyl-5-oxohexahydro-1,4-diazepin-1-oxyl

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Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1. Розанцев Э.Г. Свободные шлсноксильные радикалы. М., Хими , 1970, с. 201. 2.Авторское свидетельство СССР 833958, кл. С 07 D 243/08, 1979. 3.Розанцев Э.Г. и Папко Р.А. Бекмановска перегруппировка свободного радикала. Извести АН СССР (отд. хим.наук), 1963, В 4, с. 764 (прототип). *

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