RU2011128162A - METHOD FOR PRODUCING 4,4-BIS (4-AMINOPHENOXY) DIPHENYL SULPHONE - Google Patents

METHOD FOR PRODUCING 4,4-BIS (4-AMINOPHENOXY) DIPHENYL SULPHONE Download PDF

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RU2011128162A
RU2011128162A RU2011128162/04A RU2011128162A RU2011128162A RU 2011128162 A RU2011128162 A RU 2011128162A RU 2011128162/04 A RU2011128162/04 A RU 2011128162/04A RU 2011128162 A RU2011128162 A RU 2011128162A RU 2011128162 A RU2011128162 A RU 2011128162A
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hlg
iii
dichlorodiphenlsulfone
aminophenol
aminophenoxy
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RU2011128162/04A
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RU2465266C2 (en
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Евгений Михайлович Алов (RU)
Евгений Михайлович Алов
Нина Петровна Герасимова (RU)
Нина Петровна Герасимова
Владимир Владимирович Плахтинский (RU)
Владимир Владимирович Плахтинский
Владимир Ильич Мильто (RU)
Владимир Ильич Мильто
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Общество с ограниченной ответственностью "ТехХим-Пром" (RU)
Общество с ограниченной ответственностью "ТехХим-Пром"
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Abstract

Способ получения 4,4'-бис(4-аминофенокси)дифенилсульфона формулы I ! ! взаимодействием 4,4'-дихлордифенлсульфона II с натриевой солью n-аминофенола III в апротонных неполярных растворителях ароматического ряда в присутствии катализаторов межфазного переноса - пиридиниевых солей, отличающийся тем, что n-аминофенол III вносят в растворитель, содержащий водный раствор гидроксида натрия, перемешивают при 120°С с водоотделителем, отбирая воду, к полученной реакционной массе прибавляют 4,4'-дихлордифенлсульфон и четвертичную пиридиниевую соль Q+Hlg- (где Q=Alk2NPyAlk'; Hlg=Cl, Br) при соотношении реагентов II:III:NaOH:Q+Hlg-=2.0:1.0:2.0-2.01:0,01, моль, при перемешивании нагревают до 160-170°С и выдерживают в течение 4-6 ч. The method of obtaining 4,4'-bis (4-aminophenoxy) diphenylsulfone of the formula I! ! the interaction of 4,4'-dichlorodiphenlsulfone II with the sodium salt of n-aminophenol III in aprotic non-polar aromatic solvents in the presence of phase transfer catalysts - pyridinium salts, characterized in that n-aminophenol III is introduced into a solvent containing an aqueous solution of sodium hydroxide, stirred 120 ° С with a water separator, taking water, to the resulting reaction mass are added 4,4'-dichlorodiphenlsulfone and a quaternary pyridinium salt Q + Hlg- (where Q = Alk2NPyAlk '; Hlg = Cl, Br) with a reagent ratio of II: III: NaOH: Q + Hlg- = 2.0: 1.0: 2.0-2.01: 0.01, mol Under stirring heated to 160-170 ° C and held for 4-6 hours.

Claims (1)

Способ получения 4,4'-бис(4-аминофенокси)дифенилсульфона формулы IThe method of obtaining 4,4'-bis (4-aminophenoxy) diphenylsulfone of the formula I
Figure 00000001
Figure 00000001
 взаимодействием 4,4'-дихлордифенлсульфона II с натриевой солью n-аминофенола III в апротонных неполярных растворителях ароматического ряда в присутствии катализаторов межфазного переноса - пиридиниевых солей, отличающийся тем, что n-аминофенол III вносят в растворитель, содержащий водный раствор гидроксида натрия, перемешивают при 120°С с водоотделителем, отбирая воду, к полученной реакционной массе прибавляют 4,4'-дихлордифенлсульфон и четвертичную пиридиниевую соль Q+Hlg- (где Q=Alk2NPyAlk'; Hlg=Cl, Br) при соотношении реагентов II:III:NaOH:Q+Hlg-=2.0:1.0:2.0-2.01:0,01, моль, при перемешивании нагревают до 160-170°С и выдерживают в течение 4-6 ч. the interaction of 4,4'-dichlorodiphenlsulfone II with the sodium salt of n-aminophenol III in aprotic non-polar aromatic solvents in the presence of phase transfer catalysts - pyridinium salts, characterized in that n-aminophenol III is introduced into a solvent containing an aqueous solution of sodium hydroxide, stirred 120 ° С with a water separator, taking water, to the resulting reaction mass are added 4,4'-dichlorodiphenlsulfone and a quaternary pyridinium salt Q + Hlg - (where Q = Alk 2 NPyAlk '; Hlg = Cl, Br) with a reagent ratio of II: III: NaOH: Q + Hlg - = 2.0: 1.0: 2.0-2.01: 0.01 , mol, with stirring, heated to 160-170 ° C and incubated for 4-6 hours
RU2011128162/04A 2011-07-07 2011-07-07 Method of producing 4,4-bis(4-aminophenoxy)diphenylsulphone RU2465266C2 (en)

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU425905A1 (en) * 1972-07-27 1974-04-30 Ю. А. Москвичев, Г. С. Миронов, М. И. Фарберов, METHOD OF OBTAINING p, p'-BIS-
US4605745A (en) * 1983-04-28 1986-08-12 General Electric Company N-neopentyl-4-diorganoamino pyridinium compounds
DE4001821A1 (en) * 1990-01-23 1991-07-25 Huels Chemische Werke Ag Prepn. of high purity 4,4-bis-(4-aminophenoxy)-di:phenyl:sulphone - by reaction of 4-aminophenol, alkali hydroxide and then 4,4-di:halo:di:phenyl sulphone in set ratios using di:alkylamide solvent
DE4035882A1 (en) * 1990-11-12 1992-05-14 Huels Chemische Werke Ag METHOD FOR PRODUCING 4,4'-BIS (4-AMINOPHENOXY) DIPHENYL SULPHONE

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