RU2004134792A - METHOD FOR PRODUCING 3-H-ALKYL-1-HYDROXYCYCLOPENTANE-N-ALKylCARBOXYLATES - Google Patents

METHOD FOR PRODUCING 3-H-ALKYL-1-HYDROXYCYCLOPENTANE-N-ALKylCARBOXYLATES Download PDF

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RU2004134792A
RU2004134792A RU2004134792/04A RU2004134792A RU2004134792A RU 2004134792 A RU2004134792 A RU 2004134792A RU 2004134792/04 A RU2004134792/04 A RU 2004134792/04A RU 2004134792 A RU2004134792 A RU 2004134792A RU 2004134792 A RU2004134792 A RU 2004134792A
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Russia
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alet
hydroxycyclopentane
alkylcarboxylates
alkyl
olefin
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RU2004134792/04A
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Russian (ru)
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RU2307825C2 (en
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Усеин Меметович Джемилев (RU)
Усеин Меметович Джемилев
Асхат Габдрахманович Ибрагимов (RU)
Асхат Габдрахманович Ибрагимов
Лейла Османовна Хафизова (RU)
Лейла Османовна Хафизова
зев Руслан Римович Гил (RU)
Руслан Римович Гилязев
Май Тимофеевна Голикова (RU)
Майя Тимофеевна Голикова
Тать на Петровна Саламатина (RU)
Татьяна Петровна Саламатина
Райхана Валиулловна Кунакова (RU)
Райхана Валиулловна Кунакова
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ГУ Институт нефтехимии и катализа АН РБ и УНЦ РАН(RU)
ГУ Институт нефтехимии и катализа АН РБ и УНЦ РАН
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Способ получения 3-н-алкил-1-гидроксициклопентан-н-алкилкарбоксилатов (I)The method of obtaining 3-n-alkyl-1-hydroxycyclopentane-n-alkylcarboxylates (I)
Figure 00000001
Figure 00000001
отличающийся тем, что α-олефины общей формулы RCH=СН2, где R такое же, как определено выше, подвергают взаимодействию с триэтилалюминием (AlEt3) при мольном соотношении RCH=СН2:AlEt3=10:(12-16) в присутствии катализатора цирконацендихлорида Cp2ZrCl2, взятого в количестве 5-9, мол.% по отношению к α-олефину, в атмосфере аргона при комнатной температуре и атмосферном давлении в гексане в течение 8 ч, с последующим добавлением к реакционной массе при температуре -15°С катализатора хлорида меди (CuCl) в количестве 10-14 мол.% по отношению к α-олефину и диалкилового эфира щавелевой кислоты, взятым в трехкратном избытке по отношению к AlEt3, после чего реакционную массу перемешивают при комнатной температуре с последующим гидролизом реакционной массы.characterized in that α-olefins of the general formula RCH = CH 2 , where R is the same as defined above, are reacted with triethyl aluminum (AlEt 3 ) at a molar ratio of RCH = CH 2 : AlEt 3 = 10: (12-16) in the presence of a catalyst of zirconacene dichloride Cp 2 ZrCl 2 , taken in an amount of 5-9, mol.% with respect to α-olefin, in an argon atmosphere at room temperature and atmospheric pressure in hexane for 8 hours, followed by addition to the reaction mass at a temperature of - 15 ° C of a catalyst of copper chloride (CuCl) in an amount of 10-14 mol.% In relation to α-olefin and dialkyl e ira oxalic acid, taken in threefold excess relative to AlEt 3, after which the reaction mixture was stirred at room temperature, followed by hydrolysis of the reaction mass.
RU2004134792/04A 2004-11-29 2004-11-29 METHOD FOR PRODUCTION OF 3-n-ALKYL-1-HYDROXYCYCLOPENTANE-n-ALKYLCARBOXYLATES RU2307825C2 (en)

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