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RU2013136950A - METHOD FOR PRODUCING 2 ', 4,4'-TRINITROBENZENILIDE FROM 2,4-DINITROANILINE AND 4-NITROBENZOEL CHLORIDE - Google Patents

METHOD FOR PRODUCING 2 ', 4,4'-TRINITROBENZENILIDE FROM 2,4-DINITROANILINE AND 4-NITROBENZOEL CHLORIDE Download PDF

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Publication number
RU2013136950A
RU2013136950A RU2013136950/04A RU2013136950A RU2013136950A RU 2013136950 A RU2013136950 A RU 2013136950A RU 2013136950/04 A RU2013136950/04 A RU 2013136950/04A RU 2013136950 A RU2013136950 A RU 2013136950A RU 2013136950 A RU2013136950 A RU 2013136950A
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RU
Russia
Prior art keywords
acylation
dinitroaniline
chloride
inert gas
carried out
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RU2013136950/04A
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Russian (ru)
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RU2547262C2 (en
Inventor
Евгений Львович Вулах
Надежда Владимировна Завьялова
Андрей Алексеевич Боровлев
Степан Николаевич Никуленко
Юрий Михайлович Атрощенко
Петр Иванович Федотов
Александр Александрович Меркин
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Общество с ограниченной ответственностью "Фенил" (ООО "Фенил")
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Priority to RU2013136950/04A priority Critical patent/RU2547262C2/en
Publication of RU2013136950A publication Critical patent/RU2013136950A/en
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Publication of RU2547262C2 publication Critical patent/RU2547262C2/en

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Abstract

1. Способ получения 2',4,4'-тринитробензанилида ацилированием 2,4-динитроанилина 4-нитробензоилхлоридом в органическом растворителе при нагревании в присутствии хлорного железа в качестве катализатора с выделением целевого продукта с использованием фильтрации и кристаллизации, отличающийся тем, что ацилирование ведут под давлением тока инертного газа.2. Способ по п. 1, отличающийся тем, что ацилирование ведут под давлением тока инертного газа до 0,3 МПа.1. The method of obtaining 2 ', 4,4'-trinitrobenzanilide by acylation of 2,4-dinitroaniline 4-nitrobenzoyl chloride in an organic solvent by heating in the presence of ferric chloride as a catalyst with the isolation of the target product using filtration and crystallization, characterized in that the acylation is carried out under inert gas current pressure. 2. The method according to claim 1, characterized in that the acylation is carried out under an inert gas current pressure of up to 0.3 MPa.

Claims (2)

1. Способ получения 2',4,4'-тринитробензанилида ацилированием 2,4-динитроанилина 4-нитробензоилхлоридом в органическом растворителе при нагревании в присутствии хлорного железа в качестве катализатора с выделением целевого продукта с использованием фильтрации и кристаллизации, отличающийся тем, что ацилирование ведут под давлением тока инертного газа.1. The method of obtaining 2 ', 4,4'-trinitrobenzanilide by acylation of 2,4-dinitroaniline 4-nitrobenzoyl chloride in an organic solvent by heating in the presence of ferric chloride as a catalyst with the isolation of the target product using filtration and crystallization, characterized in that the acylation is carried out under inert gas current pressure. 2. Способ по п. 1, отличающийся тем, что ацилирование ведут под давлением тока инертного газа до 0,3 МПа. 2. The method according to p. 1, characterized in that the acylation is carried out under an inert gas current pressure of up to 0.3 MPa.
RU2013136950/04A 2013-08-07 2013-08-07 Method of obtaining 2',4,4'-trinitrobenzanilide from 2,4-dinitroaniline and 4-nitro-benzoylchloride RU2547262C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2013136950/04A RU2547262C2 (en) 2013-08-07 2013-08-07 Method of obtaining 2',4,4'-trinitrobenzanilide from 2,4-dinitroaniline and 4-nitro-benzoylchloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2013136950/04A RU2547262C2 (en) 2013-08-07 2013-08-07 Method of obtaining 2',4,4'-trinitrobenzanilide from 2,4-dinitroaniline and 4-nitro-benzoylchloride

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RU2013136950A true RU2013136950A (en) 2015-02-20
RU2547262C2 RU2547262C2 (en) 2015-04-10

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RU2013136950/04A RU2547262C2 (en) 2013-08-07 2013-08-07 Method of obtaining 2',4,4'-trinitrobenzanilide from 2,4-dinitroaniline and 4-nitro-benzoylchloride

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11834389B2 (en) * 2020-06-11 2023-12-05 Dupont Safety & Construction, Inc. Synthesis of n-(2,4-dinitrophenyl)-4-nitrobenzamide (TNBA) using solid acid catalysts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2283307C1 (en) * 2005-07-18 2006-09-10 Открытое акционерное общество "Каменскволокно" (ОАО "Каменскволокно") Method for preparing 5(6)-amino-2-(4'-aminophenyl)-benzimidazole
RU2348612C2 (en) * 2006-06-30 2009-03-10 Евгений Львович Вулах Method of obtaining 21,4,41-trinitrobenzanilide
RU2394810C2 (en) * 2007-12-11 2010-07-20 Евгений Львович Вулах Method of producing 21,4,41 -trinitrobenzanilide
CN102633674B (en) * 2012-03-27 2014-05-07 江苏尚莱特医药化工材料有限公司 2, 4, 4'-trinitrobenzene formanilide preparation method

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20190808