RU2015139654A - METHOD FOR PRODUCING 4-Tret-BUTYL-PYROCATECHINE AND CATALYST FOR ITS PRODUCTION - Google Patents

METHOD FOR PRODUCING 4-Tret-BUTYL-PYROCATECHINE AND CATALYST FOR ITS PRODUCTION Download PDF

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Publication number
RU2015139654A
RU2015139654A RU2015139654A RU2015139654A RU2015139654A RU 2015139654 A RU2015139654 A RU 2015139654A RU 2015139654 A RU2015139654 A RU 2015139654A RU 2015139654 A RU2015139654 A RU 2015139654A RU 2015139654 A RU2015139654 A RU 2015139654A
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RU
Russia
Prior art keywords
catalyst
tert
producing
butyl
butylphenol
Prior art date
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RU2015139654A
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Russian (ru)
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RU2634728C2 (en
Inventor
Регина Римовна Талипова
Руслан Уралович Харрасов
Марат Радикович Аглиуллин
Борис Иванович Кутепов
Original Assignee
Федеральное Государственное Бюджетное Учреждение Науки Институт Нефтехимии И Катализа Ран
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Priority to RU2015139654A priority Critical patent/RU2634728C2/en
Publication of RU2015139654A publication Critical patent/RU2015139654A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/89—Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Claims (2)

1. Способ получения 4-трет-бутил-пирокатехина путем селективного окисления 4-трет-бутилфенола водными растворами H2O2 в присутствии титаносиликатного катализатора, отличающийся тем, что в качестве катализатора используют нанесенный титаносиликат, реакцию проводят в присутствии 2-10% (на реакционную массу) катализатора в ацетонитриле с исходной концентрацией 4-трет-бутилфенола 2,0 моль/л при мольном соотношении 4-трет-бутилфенол: H2O2=1÷2:1 и температуре 30-50°C.1. The method of producing 4-tert-butyl-pyrocatechol by selective oxidation of 4-tert-butylphenol with aqueous solutions of H 2 O 2 in the presence of a titanosilicate catalyst, characterized in that the supported titanosilicate is used as a catalyst, the reaction is carried out in the presence of 2-10% ( per reaction mass) of the catalyst in acetonitrile with an initial concentration of 4-tert-butylphenol of 2.0 mol / l at a molar ratio of 4-tert-butylphenol: H 2 O 2 = 1 ÷ 2: 1 and a temperature of 30-50 ° C. 2. Катализатор для получения 4-трет-бутил-пирокатехина, отличающийся тем, что содержит мезопористый носитель - SiO2, на который нанесен Ti в количестве 1,0 мас. % путем пропитки носителя бензольным раствором Ti(OC2H5)4, с последующей сушкой на воздухе при комнатной температуре, обработкой водным раствором аммиака, сушкой при 120°C/4 ч и прокалкой при 550°C/4 ч.2. A catalyst for producing 4-tert-butyl pyrocatechol, characterized in that it contains a mesoporous carrier - SiO 2 , on which Ti is applied in an amount of 1.0 wt. % by impregnating the support with a benzene solution of Ti (OC 2 H 5 ) 4 , followed by drying in air at room temperature, treating with aqueous ammonia, drying at 120 ° C / 4 h and calcining at 550 ° C / 4 h.
RU2015139654A 2015-09-17 2015-09-17 Method of producing 4-tert-butyl-pyrocatechol and catalyst for its production RU2634728C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015139654A RU2634728C2 (en) 2015-09-17 2015-09-17 Method of producing 4-tert-butyl-pyrocatechol and catalyst for its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015139654A RU2634728C2 (en) 2015-09-17 2015-09-17 Method of producing 4-tert-butyl-pyrocatechol and catalyst for its production

Publications (2)

Publication Number Publication Date
RU2015139654A true RU2015139654A (en) 2017-03-22
RU2634728C2 RU2634728C2 (en) 2017-11-03

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RU2015139654A RU2634728C2 (en) 2015-09-17 2015-09-17 Method of producing 4-tert-butyl-pyrocatechol and catalyst for its production

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1187661B (en) * 1985-04-23 1987-12-23 Enichem Sintesi HIGH MECHANICAL RESISTANCE SILICON AND TITANIUM BASED CATALYST
IT1296573B1 (en) * 1997-11-27 1999-07-14 Enichem Spa PROCEDURE FOR THE OXIDATION OF AROMATIC TO HYDROXYAROMATIC COMPOUNDS
US8932980B2 (en) * 2010-07-20 2015-01-13 Council Of Scientific & Industrial Research Ordered mesoporous titanosilicate and the process for the preparation thereof

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Publication number Publication date
RU2634728C2 (en) 2017-11-03

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20180129