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RU2009146601A - METHOD FOR PRODUCING N, N-DIMETHYL-5-ALKyl-2-Thiophenamines - Google Patents

METHOD FOR PRODUCING N, N-DIMETHYL-5-ALKyl-2-Thiophenamines Download PDF

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RU2009146601A
RU2009146601A RU2009146601/04A RU2009146601A RU2009146601A RU 2009146601 A RU2009146601 A RU 2009146601A RU 2009146601/04 A RU2009146601/04 A RU 2009146601/04A RU 2009146601 A RU2009146601 A RU 2009146601A RU 2009146601 A RU2009146601 A RU 2009146601A
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alkyl
dimethyl
thiophenamines
propin
oac
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RU2009146601/04A
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RU2434008C2 (en
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Усеин Меметович Джемилев (RU)
Усеин Меметович Джемилев
Мария Геннадьевна Шайбакова (RU)
Мария Геннадьевна Шайбакова
Гилемдар Адыхамович Махмудияров (RU)
Гилемдар Адыхамович Махмудияров
Асхат Габдрахманович Ибрагимов (RU)
Асхат Габдрахманович Ибрагимов
Виталий Александрович Веклов (RU)
Виталий Александрович Веклов
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Учреждение Российской академии наук ИНСТИТУТ НЕФТЕХИМИИ И КАТАЛИЗА РАН (RU)
Учреждение Российской Академии Наук Институт Нефтехимии И Катализа Ран
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Priority to RU2009146601/04A priority Critical patent/RU2434008C2/en
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Abstract

Способ получения N,N-диметил-5-алкил-2-тиофенаминов общей формулы (1) ! , ! где R=C3H7, C5H11, C7H15, ! характеризующийся тем, что N,N-диметил-3-алкил-2-пропин-1-амин, (где алкил = С3Н17, C5H11, C7H15) подвергают взаимодействию с избытком элементной серы (S8) в присутствии трехкомпонентного катализатора, состоящего из ацетата кобальта, нанесенного на γ-окись алюминия [Со(ОАс)2/Al2O3], трифенилфосфина (Ph3P) и триэтилалюминия (Et3Al), взятыми в мольном соотношении N,N-диметил-3-алкил-2-пропин-1-амин:S8:[Со(ОАс)2/Al2O3]:Ph3P:Et3Al=10:(35-45):(0.3-0.7):(0.6-1.4):(0.6-1.4), предпочтительно 10:40:0.5:1.0:1.0, при температуре 120-130°С и атмосферном давлении в течение 4-6 ч. The method of obtaining N, N-dimethyl-5-alkyl-2-thiophenamines of the general formula (1)! ! where R = C3H7, C5H11, C7H15,! characterized in that N, N-dimethyl-3-alkyl-2-propin-1-amine, (where alkyl = C3H17, C5H11, C7H15) is reacted with an excess of elemental sulfur (S8) in the presence of a three-component catalyst consisting of cobalt acetate supported on γ-alumina [Co (OAc) 2 / Al2O3], triphenylphosphine (Ph3P) and triethylaluminum (Et3Al), taken in a molar ratio of N, N-dimethyl-3-alkyl-2-propin-1-amine: S8 : [Co (OAc) 2 / Al2O3]: Ph3P: Et3Al = 10: (35-45) :( 0.3-0.7) :( 0.6-1.4) :( 0.6-1.4), preferably 10: 40: 0.5: 1.0: 1.0, at a temperature of 120-130 ° C and atmospheric pressure for 4-6 hours

Claims (1)

Способ получения N,N-диметил-5-алкил-2-тиофенаминов общей формулы (1)The method of obtaining N, N-dimethyl-5-alkyl-2-thiophenamines of the General formula (1)
Figure 00000001
,
Figure 00000001
, где R=C3H7, C5H11, C7H15,where R = C 3 H 7 , C 5 H 11 , C 7 H 15 , характеризующийся тем, что N,N-диметил-3-алкил-2-пропин-1-амин, (где алкил = С3Н17, C5H11, C7H15) подвергают взаимодействию с избытком элементной серы (S8) в присутствии трехкомпонентного катализатора, состоящего из ацетата кобальта, нанесенного на γ-окись алюминия [Со(ОАс)2/Al2O3], трифенилфосфина (Ph3P) и триэтилалюминия (Et3Al), взятыми в мольном соотношении N,N-диметил-3-алкил-2-пропин-1-амин:S8:[Со(ОАс)2/Al2O3]:Ph3P:Et3Al=10:(35-45):(0.3-0.7):(0.6-1.4):(0.6-1.4), предпочтительно 10:40:0.5:1.0:1.0, при температуре 120-130°С и атмосферном давлении в течение 4-6 ч. characterized in that N, N-dimethyl-3-alkyl-2-propin-1-amine, (where alkyl = C 3 H 17 , C 5 H 11 , C 7 H 15 ) is reacted with an excess of elemental sulfur (S 8 ) in the presence of a three-component catalyst consisting of cobalt acetate supported on γ-alumina [Co (OAc) 2 / Al 2 O 3 ], triphenylphosphine (Ph 3 P) and triethyl aluminum (Et 3 Al), taken in a molar ratio of N, N-dimethyl-3-alkyl-2-propin-1-amine: S 8 : [Co (OAc) 2 / Al 2 O 3 ]: Ph 3 P: Et 3 Al = 10: (35-45) :( 0.3 -0.7) :( 0.6-1.4) :( 0.6-1.4), preferably 10: 40: 0.5: 1.0: 1.0, at a temperature of 120-130 ° C and atmospheric pressure for 4-6 hours.
RU2009146601/04A 2009-12-15 2009-12-15 Method of producing n,n-dimethyl-5-alkyl-2-thiophene amines RU2434008C2 (en)

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Effective date: 20111216