SU371205A1 - METHOD OF OBTAINING NON-SYMMETRIC 1,4-DI-TRE OR 1,4-VTOR-TRET-AMINOVSC? CU! O.5HA-1 l i7Cl3Tt '! N Tfir' -''-- ^ - f.:^Stnhiitf"ls.Au ..., library * ^! - Google Patents

METHOD OF OBTAINING NON-SYMMETRIC 1,4-DI-TRE OR 1,4-VTOR-TRET-AMINOVSC? CU! O.5HA-1 l i7Cl3Tt '! N Tfir' -''-- ^ - f.:^Stnhiitf"ls.Au ..., library * ^!

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SU371205A1
SU371205A1 SU1621229A SU1621229A SU371205A1 SU 371205 A1 SU371205 A1 SU 371205A1 SU 1621229 A SU1621229 A SU 1621229A SU 1621229 A SU1621229 A SU 1621229A SU 371205 A1 SU371205 A1 SU 371205A1
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symmetric
stnhiitf
i7cl3tt
aminovsc
tfir
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SU1621229A
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Russian (ru)
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Д. В. Григор Авторы изобретени А. Т. Баба Г. Т. Мартирос А. Гюльназар
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Институт органической химии Арм иской ССР
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Description

1one

Изобретение относитс  к способу получени  новых несимметричных днамннов на основе 1,4-дибромидов сонр женных диенов.This invention relates to a process for the preparation of new asymmetric sands based on 1,4-dibromides of conjugated dienes.

Полученные соединени  обладают биологической активностью.The compounds obtained have biological activity.

Известен способ получени  симметричных 1,4-ди-г/з т-аминоБ с ненасыщенной группой, заключающийс  но взаимодействии 1,4-дибромидов сопр женных диенов со вторичными аминами.A known method for producing symmetric 1,4-di-g / 3t-aminoB with an unsaturated group consists of the interaction of 1,4-dibromides of conjugated dienes with secondary amines.

Однако в литературе отсутствуют данные о получении несимметричных диаминов из 1,4дибромидов сопр женных диенов.However, there are no data in the literature on the preparation of asymmetric diamines from 1,4 dibromides of conjugated dienes.

В соответствии с изобретением описываетс  способ получени  аминов общей формулы.In accordance with the invention, a process for the preparation of amines of general formula is described.

RzN-CHj-С С-CHa -NRa илиRzN-CHj-C C-CHa -NRa or

RaN-CHa-С С-СНг-NHRi,RaN-CHa-C C-CHg-NHRi,

где RI и Ra - алкильные радикалы, заключающийс  во взаимодействии р-диалкиламино-пропионитрила и 1,4-дибромида диена в присутствии органических растворителей, не раствор ющих аммониевую соль, например, сухого эфира. Выдел ют моночетвертичные аммониевые соли, которые ввод т во взаимодействие с первичными или вторичными амиluiMH в среде спирта или воды с дальнейшей обработкой продуктов реакции подщелачиванием и выделением целевых продуктов путем экстракции эфиром.where RI and Ra are alkyl radicals consisting in the interaction of p-dialkylamino-propionitrile and 1,4-dibromide diene in the presence of organic solvents that do not dissolve the ammonium salt, for example, dry ether. Mono-quaternary ammonium salts are isolated, which are reacted with primary or secondary amyluiMH in an alcohol or water medium, with further treatment of the reaction products by alkalinization and isolation of the target products by extraction with ether.

Пример 1. 1-Диметиламино-4-диэтиламлнобутен-2 .Example 1. 1-Dimethylamino-4-diethylamminobutene-2.

К раствору 21,4 г 1,4-дибромбутена-2 в 150 нл сухого эфира или другого растворител , в котором моноаммониева  соль не раствор етс  при охлаждении водой, прикапывают 9,8 г р-диметиламинопропионитрила. Через 2 дн  фильтрованием получено 31,2 г (100%) бромистого диметил р-цианэтнл-4-бромбутен2-ил-аммони  с т. пл. 117°С.To a solution of 21.4 g of 1,4-dibromobutene-2 in 150 nl of dry ether or other solvent in which the monoammonium salt does not dissolve when cooled with water, 9.8 g of p-dimethylaminopropionitrile are added dropwise. After 2 days, 31.2 g (100%) of dimethyl p-cyanoethyl-4-bromobutene-2-yl-ammonium bromide were obtained by filtration. 117 ° C.

Найдено %: N 8,80; Вг 25,84.Found%: N 8.80; Br 25.84.

СдНшНгВгг.SdNshNgVgg.

Вычислено, %: N 8,97; Вг 25,62.Calculated,%: N 8.97; Br 25.62.

К раствору 15,6 г (0,05 моль} этой солн в 50 мл метанола (или воды) добавл ют 15 г диэтиламина. Через четыре дн  реакционную смесь подщелачивают. Экстрагированием эфиром получено 8,1 г (95,5%) 1-диметиламино-4диэтиламинобутена-2 с т. кип. 114°С (56 мм рт. ст.); df 0,8056; по° 1,4400. MRo 55,61, вычислено 55,71.15 g of diethylamine are added to a solution of 15.6 g (0.05 mol} of this Sun in 50 ml of methanol (or water). After four days the reaction mixture is alkalinized. 8.1 g (95.5%) of 1- dimethylamino-4 diethylaminobutene-2 with a bale of 114 ° C (56 mm Hg), df 0.8056, ° 1,4400. MRo 55.61, calculated 55.71.

Найдено, %: С 70,16; Н 12,91; N 16,29.Found,%: C, 70.16; H 12.91; N 16.29.

CioH22N9.CioH22N9.

Вычислено, %: С 70,5; Н 12,9; N 16,4. Пикрат т. пл. 159°С.Calculated,%: C 70.5; H 12.9; N 16.4. Pikrat t. Pl. 159 ° C.

Пример 2. 1-Диэтиламино-4-диметг ламино-2-метилбутен-2 .Example 2. 1-Diethylamino-4-dimet-lamino-2-methylbutene-2.

Аналогично нредыдущему из 22,8 г 1,4-дибром-2-метилбутена-2 и 9,8 г р-диметиламинопропионитрила получено 25,7 г (78,8%) бромистого диметил р-дианэтил-4-бром-З-метилбутен-2-ил-аммони  с т. пл. 119-120°С.Similarly to the previous, 25.7 g (78.8%) of dimethyl b-p-dianethyl-4-bromo-3-methylbutene were obtained from 22.8 g of 1,4-dibromo-2-methylbuthen-2 and 9.8 g of p-dimethylaminopropionitrile -2-yl ammonium with m. Pl. 119-120 ° C.

Найдено,%: N 8,85; Вг 24,72.Found,%: N 8.85; Br 24.72.

CioHisNzBrs.CioHisNzBrs.

Вычислено, %: N 8,58; Вг 24,54.Calculated,%: N 8.58; Br 24.54.

Из 16,3 г этой соли и 15 г диэтиламина пополучено 8,5 г (92,3%) 1-диэтиламино-4-диметиламино-2-метилбутена-2 с т. кип. 88-90°СOut of 16.3 g of this salt and 15 g of diethylamine, 8.5 g (92.3%) of 1-diethylamino-4-dimethylamino-2-methyl butene-2 were obtained, with a boil. 88-90 ° C

(21 мм рт. ст.); df 0,7895;(21 mm Hg. Art.); df 0.7895;

ni5ni5

1,4390. MRo 1.4390. Mro

60,62, вычислено 60,43.60.62, calculated 60.43.

Найдено, %: С 72,06; Н 13,15; N 14,98. Found,%: C 72.06; H 13.15; N 14.98.

CiiH24N2.CiiH24N2.

Вычислено, %: С 71,70; Н 13,06; N 15,20.Calculated,%: C, 71.70; H 13.06; N 15.20.

Пикрат т. пл. 162°С.Pikrat t. Pl. 162 ° C.

Пример 3. 1-Диметиламино-4-фениламинопентен-2 .Example 3. 1-Dimethylamino-4-phenylaminopentene-2.

Аналогично предыдущему из 22,8 г 1,4-дибромнентена-2 и 9,8 г р-диметиламинопропионитрила получено 26 г (80%) бромистого диметил-р-цианэтил-4-бромпентен - 2-ил - аммони  с т. пл. 147°С.Similarly to the previous one, 26 g (80%) of dimethyl p-cyanoethyl-4-bromopenten-2-yl-ammonium bromide with m. Pl. Were obtained from 22.8 g of 1,4-dibromoentene-2 and 9.8 g of p-dimethylaminopropionitrile. 147 ° C.

Найдено, %: N 8,80; Вг 24,78.Found,%: N 8.80; Br 24.78.

C oHi8N2Br2.C oHi8N2Br2.

Вычислено, %: N 8,58; Вт 24,54. Из 16,3 г этой соли и 18,6 г анилина получено 10,3 г (82%) 1-диметиламино-4-фениламинопентена-2 с т. кип. 189-19ГС (20 ммрт.Calculated,%: N 8.58; W 24.54. From 16.3 g of this salt and 18.6 g of aniline, 10.3 g (82%) of 1-dimethylamino-4-phenylaminopentene-2 was obtained with a bale. 189-19GS (20 mmH

ст); df 0,9990; По 1,5573. MR о 65,66, вычислено 65,70. Найдено, %: С 76,08; Н 9,41; N 14,11.st); df 0.9990; At 1.5573. MR about 65.66, calculated 65.70. Found,%: C 76.08; H 9.41; N 14.11.

Ci3H2oN2.Ci3H2oN2.

Вычислено, %: С 76,48; Н 9,80; N 13,72. Пикрат т. пл. 129°С.Calculated,%: C, 76.48; H 9.80; N 13.72. Pikrat t. Pl. 129 ° C.

Предмет изобретени Subject invention

Способ получени  несимметричных 1,4-дитрет- или ,4-втор-трет-аыиноъ, отличающийс  тем, что 1,4-дибромиды диенов подвергают взаимодействию с р-диалкиламинонропионитрилом в среде органического растворител , такого как эфир, с последующей последовательной обработкой полученного продукта амином и раствором щелочи, и выделением целевого продукта известным способом.A process for the preparation of asymmetric 1,4-ditert- or, 4-sec-tert-ayino, characterized in that the diene 1,4-dibromides are reacted with p-dialkylaminonopionitrile in an organic solvent such as ether, followed by sequential processing of the resulting product amine and alkali solution, and the selection of the target product in a known manner.

SU1621229A 1971-02-16 1971-02-16 METHOD OF OBTAINING NON-SYMMETRIC 1,4-DI-TRE OR 1,4-VTOR-TRET-AMINOVSC? CU! O.5HA-1 l i7Cl3Tt '! N Tfir' -''-- ^ - f.:^Stnhiitf"ls.Au ..., library * ^! SU371205A1 (en)

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SU1621229A SU371205A1 (en) 1971-02-16 1971-02-16 METHOD OF OBTAINING NON-SYMMETRIC 1,4-DI-TRE OR 1,4-VTOR-TRET-AMINOVSC? CU! O.5HA-1 l i7Cl3Tt '! N Tfir' -''-- ^ - f.:^Stnhiitf"ls.Au ..., library * ^!

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SU1621229A SU371205A1 (en) 1971-02-16 1971-02-16 METHOD OF OBTAINING NON-SYMMETRIC 1,4-DI-TRE OR 1,4-VTOR-TRET-AMINOVSC? CU! O.5HA-1 l i7Cl3Tt '! N Tfir' -''-- ^ - f.:^Stnhiitf"ls.Au ..., library * ^!

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