RU2007104333A - METHOD FOR PRODUCING PENTAFLUOROPHENOL - Google Patents

METHOD FOR PRODUCING PENTAFLUOROPHENOL Download PDF

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Publication number
RU2007104333A
RU2007104333A RU2007104333/04A RU2007104333A RU2007104333A RU 2007104333 A RU2007104333 A RU 2007104333A RU 2007104333/04 A RU2007104333/04 A RU 2007104333/04A RU 2007104333 A RU2007104333 A RU 2007104333A RU 2007104333 A RU2007104333 A RU 2007104333A
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RU
Russia
Prior art keywords
producing
hexafluorobenzene
producing pentafluorophenol
pentafluorophenol
reaction
Prior art date
Application number
RU2007104333/04A
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Russian (ru)
Other versions
RU2343142C2 (en
Inventor
Игорь Константинович Бильдинов (RU)
Игорь Константинович Бильдинов
Денис Фаридович Мухаметшин (RU)
Денис Фаридович Мухаметшин
Сергей Иванович Коновалов (RU)
Сергей Иванович Коновалов
Алексей Александрович Захаров (RU)
Алексей Александрович Захаров
Марс Мизгарович Зиннуров (RU)
Марс Мизгарович Зиннуров
Original Assignee
Общество с ограниченной ответственностью Научно-внедренческа фирма "Окта" (RU)
Общество с ограниченной ответственностью Научно-внедренческая фирма "Окта"
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Application filed by Общество с ограниченной ответственностью Научно-внедренческа фирма "Окта" (RU), Общество с ограниченной ответственностью Научно-внедренческая фирма "Окта" filed Critical Общество с ограниченной ответственностью Научно-внедренческа фирма "Окта" (RU)
Priority to RU2007104333/04A priority Critical patent/RU2343142C2/en
Publication of RU2007104333A publication Critical patent/RU2007104333A/en
Application granted granted Critical
Publication of RU2343142C2 publication Critical patent/RU2343142C2/en

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Claims (4)

1. Способ получения пентафторфенола реакцией гексафторбензола с водными растворами гидроокисей щелочных и щелочноземельных металлов, отличающийся тем, что процесс проводят в присутствии катализатора межфазного переноса, а именно солей тетракис(диалкиламидо)фосфония, либо N,N',N''-гексаалкилзамещенного гуанидиния, либо их смеси.1. The method of producing pentafluorophenol by the reaction of hexafluorobenzene with aqueous solutions of hydroxides of alkali and alkaline earth metals, characterized in that the process is carried out in the presence of an interphase transfer catalyst, namely tetrakis (dialkylamido) phosphonium salts, or N, N ', N' '- hexaalkyl substituted guanidinium, or mixtures thereof. 2. Способ получения пентафторфенола по п.1, отличающийся тем, что катализатор межфазного переноса используют в концентрации от 0,5 до 10 вес.% от количества исходного гексафторбензола, лучше 2-5%.2. The method of producing pentafluorophenol according to claim 1, characterized in that the phase transfer catalyst is used in a concentration of from 0.5 to 10 wt.% Of the amount of the starting hexafluorobenzene, preferably 2-5%. 3. Способ получения пентафторфенола по любому из п.1 и 2, отличающийся тем, что реакцию проводят при температуре 100-140°С, лучше 120-130°С.3. The method of producing pentafluorophenol according to any one of claims 1 and 2, characterized in that the reaction is carried out at a temperature of 100-140 ° C, preferably 120-130 ° C. 4. Способ получения пентафторфенола по п.3, отличающийся тем, что используется 2,05-2,35 эквивалента щелочного реагента по отношению к гексафторбензолу в виде 20-30%-ного водного раствора.4. The method of producing pentafluorophenol according to claim 3, characterized in that 2.05-2.35 equivalents of an alkaline reagent are used with respect to hexafluorobenzene in the form of a 20-30% aqueous solution.
RU2007104333/04A 2007-02-05 2007-02-05 Method of obtaining pentafluorophenol RU2343142C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007104333/04A RU2343142C2 (en) 2007-02-05 2007-02-05 Method of obtaining pentafluorophenol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007104333/04A RU2343142C2 (en) 2007-02-05 2007-02-05 Method of obtaining pentafluorophenol

Publications (2)

Publication Number Publication Date
RU2007104333A true RU2007104333A (en) 2008-08-10
RU2343142C2 RU2343142C2 (en) 2009-01-10

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RU2007104333/04A RU2343142C2 (en) 2007-02-05 2007-02-05 Method of obtaining pentafluorophenol

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2527046C1 (en) * 2013-04-22 2014-08-27 Закрытое акционерное общество научно-производственное Объединение "ПиМ-Инвест" (ЗАО НПО "Пим-Инвест") Method of producing pentafluorophenol
RU2536872C1 (en) * 2013-11-12 2014-12-27 Закрытое акционерное общество научно-производственное Объединение "ПиМ-Инвест" (ЗАО НПО "Пим-Инвест") Method of obtaining mono- and dihydroxypolyfluorobenzenes
CN105348045B (en) * 2015-11-25 2017-07-21 黑龙江鑫创生物科技开发有限公司 A kind of method of utilization continuous stream reaction synthesis Pentafluorophenol
CN106187706B (en) * 2016-08-04 2019-09-10 陕西省石油化工研究设计院 A kind of process for refining of high-purity Pentafluorophenol

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RU2343142C2 (en) 2009-01-10

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