RU2011124731A - METHOD FOR PRODUCING 1-FLUOR-2,3-DIALKYLBOROCYCLOPENT-2-ENOV - Google Patents

METHOD FOR PRODUCING 1-FLUOR-2,3-DIALKYLBOROCYCLOPENT-2-ENOV Download PDF

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RU2011124731A
RU2011124731A RU2011124731/04A RU2011124731A RU2011124731A RU 2011124731 A RU2011124731 A RU 2011124731A RU 2011124731/04 A RU2011124731/04 A RU 2011124731/04A RU 2011124731 A RU2011124731 A RU 2011124731A RU 2011124731 A RU2011124731 A RU 2011124731A
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dialkylborocyclopent
alet
ratio
аlеt
enov
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RU2011124731/04A
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RU2478641C2 (en
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Лейла Османовна Хафизова
Лилия Инверовна Хусаинова
Татьяна Викторовна Тюмкина
Наталья Романовна Поподько
Усеин Меметович Джемилев
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Учреждение Российской Академии Наук Институт Нефтехимии И Катализа Ран
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Abstract

Способ получения 1-фтор-2,3-диалкилбороциклопент-2-енов общей формулы (1),где R=CH, CHCH,отличающийся тем, что дизамещенные ацетилены (гекс-3-ин, окт-4-ин, дец-5-ин) взаимодействуют с триэтилалюминием (AlEt) в гексане в присутствии катализатора цирконацендихлорида (СрZrСl) в соотношении ацетилен: АlЕt:CpZrCl=10:(10÷14):(0,3-0,7) ммолей при ~ 40°С в течение 4 ч, с последующим охлаждением реакционной массы до 0°С, добавлением эфирата трехфтористого бора (BF·EtO) в эквимольном отношении к АlЕtи перемешиванием при температуре ~ 20°С в течение 30-60 мин.The method of obtaining 1-fluoro-2,3-dialkylborocyclopent-2-enes of the general formula (1), where R = CH, CHCH, characterized in that the disubstituted acetylenes (hex-3-in, oct-4-in, dec-5 -in) interact with triethylaluminium (AlEt) in hexane in the presence of a catalyst of zirconacene dichloride (СрZrСl) in the ratio of acetylene: АlЕt: CpZrCl = 10: (10 ÷ 14) :( 0.3-0.7) mmoles at ~ 40 ° С for 4 hours, followed by cooling the reaction mass to 0 ° С, adding boron trifluoride etherate (BF · EtO) in an equimolar ratio to АlЕt, and stirring at a temperature of ~ 20 ° С for 30-60 min.

Claims (1)

Способ получения 1-фтор-2,3-диалкилбороциклопент-2-енов общей формулы (1)The method of obtaining 1-fluoro-2,3-dialkylborocyclopent-2-enes of the General formula (1)
Figure 00000001
,
Figure 00000001
, где R=C2H5, C3H7, C4H9,where R = C 2 H 5 , C 3 H 7, C 4 H 9 , отличающийся тем, что дизамещенные ацетилены (гекс-3-ин, окт-4-ин, дец-5-ин) взаимодействуют с триэтилалюминием (AlEt3) в гексане в присутствии катализатора цирконацендихлорида (Ср2ZrСl2) в соотношении ацетилен: АlЕt3:Cp2ZrCl2=10:(10÷14):(0,3-0,7) ммолей при ~ 40°С в течение 4 ч, с последующим охлаждением реакционной массы до 0°С, добавлением эфирата трехфтористого бора (BF3·Et2O) в эквимольном отношении к АlЕt3 и перемешиванием при температуре ~ 20°С в течение 30-60 мин. characterized in that the disubstituted acetylenes (hex-3-yne, oct-4-yne, dec-5-yn) interact with the aluminum triethyl (AlEt 3) in hexane in the presence of a catalyst tsirkonatsendihlorida (Cp 2 ZrSl 2) in a ratio of acetylene: AlEt 3 : Cp 2 ZrCl 2 = 10: (10 ÷ 14) :( 0.3-0.7) mmoles at ~ 40 ° C for 4 h, followed by cooling of the reaction mixture to 0 ° C, adding boron trifluoride etherate (BF 3 · Et 2 O) in an equimolar ratio to AlEt 3 and stirring at a temperature of ~ 20 ° C for 30-60 minutes.
RU2011124731/04A 2011-06-16 2011-06-16 Method of producing 1-fluoro-2,3-dialkylborocyclopent-2-enes RU2478641C2 (en)

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