RU2006115731A - METHOD FOR PRODUCING 2,3,4,5-TETRAACLKILTIOPHENES - Google Patents

METHOD FOR PRODUCING 2,3,4,5-TETRAACLKILTIOPHENES Download PDF

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Publication number
RU2006115731A
RU2006115731A RU2006115731/04A RU2006115731A RU2006115731A RU 2006115731 A RU2006115731 A RU 2006115731A RU 2006115731/04 A RU2006115731/04 A RU 2006115731/04A RU 2006115731 A RU2006115731 A RU 2006115731A RU 2006115731 A RU2006115731 A RU 2006115731A
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Russia
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bumgcl
zrcl
hours
general formula
tetraaclkiltiophenes
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RU2006115731/04A
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Russian (ru)
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RU2377239C2 (en
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Усеин Меметович Джемилев (RU)
Усеин Меметович Джемилев
Асхат Габдрахманович Ибрагимов (RU)
Асхат Габдрахманович Ибрагимов
конов Владимир Анатольевич Дь (RU)
Владимир Анатольевич Дьяконов
Регина Адиковна Зиннурова (RU)
Регина Адиковна Зиннурова
Леонард Мухибович Халилов (RU)
Леонард Мухибович Халилов
Ирина Анатольевна Ковтуненко (RU)
Ирина Анатольевна Ковтуненко
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Институт нефтехимии и катализа РАН (RU)
Институт нефтехимии и катализа РАН
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  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Claims (1)

Способ получения 2,3,4,5-тетраалкилтиофенов общей формулы (1)The method of obtaining 2,3,4,5-tetraalkylthiophenes of the general formula (1)
Figure 00000001
Figure 00000001
 где R=C2H5, н-С3Н7, н-С4Н9,where R = C 2 H 5 , nC 3 H 7 , nC 4 H 9 , характеризующийся тем, что дизамещенный ацетилен общей формулы R-≡-R, где R=С2Н5, н-С3Н7, н-С4H9, подвергают взаимодействию с н-BuMgCl в присутствии катализатора цирконацендихлорида (Cp2ZrCl2) в мольном соотношении R-≡-R:н-BuMgCl:Cp2ZrCl2=10:(22-26):(1.0-1.4) в атмосфере аргона при нормальном давлении в диэтиловом эфире в течение 2-4 ч с последующим добавлением элементной серы S8 в эквимольном по отношению к BuMgCl количестве и кипячением в бензоле в течение 5 ч.characterized in that the disubstituted acetylene of the general formula R-≡-R, where R = C 2 H 5 , n-C 3 H 7 , n-C 4 H 9 , is reacted with n-BuMgCl in the presence of a zirconacene dichloride catalyst (Cp 2 ZrCl 2 ) in the molar ratio R-≡-R: n-BuMgCl: Cp 2 ZrCl 2 = 10: (22-26) :( 1.0-1.4) in an argon atmosphere at normal pressure in diethyl ether for 2-4 hours, followed by by adding elemental sulfur S 8 in an amount equimolar to BuMgCl and boiling in benzene for 5 hours
RU2006115731/04A 2006-05-06 2006-05-06 Method of producing 2,3,4,5-tetraalkylthiophenes RU2377239C2 (en)

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RU2377239C2 RU2377239C2 (en) 2009-12-27

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