SU721414A1 - Method of preparing n,n-dialkylpropylenediamines-1,3 - Google Patents

Method of preparing n,n-dialkylpropylenediamines-1,3 Download PDF

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Publication number
SU721414A1
SU721414A1 SU772549851A SU2549851A SU721414A1 SU 721414 A1 SU721414 A1 SU 721414A1 SU 772549851 A SU772549851 A SU 772549851A SU 2549851 A SU2549851 A SU 2549851A SU 721414 A1 SU721414 A1 SU 721414A1
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SU
USSR - Soviet Union
Prior art keywords
carried out
dialkylpropylenediamines
preparing
anhydrous ammonia
catalyst
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Application number
SU772549851A
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Russian (ru)
Inventor
Раиса Давыдовна Гаухберг
Вера Давыдовна Завельская
Татьяна Мефодиевна Житнюк
Светлана Сергеевна Щербакова
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Предприятие П/Я В-8469
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Priority to SU772549851A priority Critical patent/SU721414A1/en
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Publication of SU721414A1 publication Critical patent/SU721414A1/en

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Description

(54) СПОСОБ ПОЛУЧЕНИЯ N, Ы-ДИАЛКИЛПРОПИЛЕНДИАМИНОВ-1,3(54) METHOD OF OBTAINING N, L-DIALKYLPROPYLENEDIAMIN-1,3

Claims (2)

Формула изобретенияClaim 1, Способ получения N, N-диалкилпропилендиаминов-1,3 каталитическим гидрированием р-диалкиламинопропионитрилов на никелевом катализаторе в присутствии избытка безводного аммиака, при повышенных температуре и давлении, отличающийся тем, что, с целью упрощения технологического процесса и повышения его селективности, в качестве катализатора используют стационарно закрепленный гранулированный скелетный никелевый катализатор и процесс проводят при мольном соотношении исходного нитрила и безводного аммиака, равном соответственно 1:15-30, при температуре 40-80°С.1, A method for producing N, N-dialkylpropylene diamines-1,3 by catalytic hydrogenation of p-dialkylaminopropionitriles on a nickel catalyst in the presence of an excess of anhydrous ammonia at elevated temperature and pressure, characterized in that, in order to simplify the process and increase its selectivity, as the catalyst using a stationary fixed granular skeletal nickel catalyst and the process is carried out at a molar ratio of the initial nitrile and anhydrous ammonia equal to 1: 15-30, respectively, at temperature 40-80 ° С. 2, Способ по п,1, отличающий с я тем,что процесс проводят при 50-200 ати.2, The method according to claim 1, characterized in that the process is carried out at 50-200 ati.
SU772549851A 1977-12-01 1977-12-01 Method of preparing n,n-dialkylpropylenediamines-1,3 SU721414A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU772549851A SU721414A1 (en) 1977-12-01 1977-12-01 Method of preparing n,n-dialkylpropylenediamines-1,3

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772549851A SU721414A1 (en) 1977-12-01 1977-12-01 Method of preparing n,n-dialkylpropylenediamines-1,3

Publications (1)

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SU721414A1 true SU721414A1 (en) 1980-03-15

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SU772549851A SU721414A1 (en) 1977-12-01 1977-12-01 Method of preparing n,n-dialkylpropylenediamines-1,3

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SU (1) SU721414A1 (en)

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