RU94039934A - Process for preparing 2,6-di-tert-butyl-4-mercaptophenol - Google Patents

Process for preparing 2,6-di-tert-butyl-4-mercaptophenol

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Publication number
RU94039934A
RU94039934A RU94039934/04A RU94039934A RU94039934A RU 94039934 A RU94039934 A RU 94039934A RU 94039934/04 A RU94039934/04 A RU 94039934/04A RU 94039934 A RU94039934 A RU 94039934A RU 94039934 A RU94039934 A RU 94039934A
Authority
RU
Russia
Prior art keywords
tert
butyl
mercaptophenol
preparing
polythiobis
Prior art date
Application number
RU94039934/04A
Other languages
Russian (ru)
Other versions
RU2075471C1 (en
Inventor
Е.В. Богач
А.М. Усманов
С.И. Майков
Л.Н. Гура
Ф.В. Мудрый
О.В. Прокшиц
Original Assignee
Волгоградское акционерное общество открытого типа "Химпром"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Волгоградское акционерное общество открытого типа "Химпром" filed Critical Волгоградское акционерное общество открытого типа "Химпром"
Priority to RU94039934A priority Critical patent/RU2075471C1/en
Publication of RU94039934A publication Critical patent/RU94039934A/en
Application granted granted Critical
Publication of RU2075471C1 publication Critical patent/RU2075471C1/en

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

Abstract

FIELD: aromatic mercaptanes, more specifically process for preparing 2,6-di-tert-butyl-4-mercaptophenol which is used in the synthesis of antioxidants for polymers and drugs including 2,2-bis(3,5-di-tert-butyl-4- hydroxyphenylthio)propane. SUBSTANCE: claimed process comprises reducing polythiobis (2,6-di-tert-butylphenol with zinc chips and hydrochloric acid in acetic acid at 40-70 C. EFFECT: more efficient preparation process.

Claims (1)

Изобретение относится к области ароматических меркаптанов, конкретно, к способу получения 2,6-дитретбутил-4-меркаптофенола, который применяется в синтезе антиоксидантов для полимеров и лекарственных препаратов, в том числе 2-2-бис(3,5-дитретбутил-4-гидроксифенилтио)пропана. Целью изобретения являются повышение выхода целевого продукта и упрощение процесса. Сущность изобретения заключается в восстановлении политиобис (2,6-дитретбутилфенола) действием цинковой стружки и соляной кислоты в уксусной кислоте при 40 - 70oС.The invention relates to the field of aromatic mercaptans, and in particular, to a method for producing 2,6-ditretbutyl-4-mercapthenol, which is used in the synthesis of antioxidants for polymers and drugs, including 2-2-bis (3,5-ditretbutyl-4- hydroxyphenylthio) propane. The aim of the invention is to increase the yield of the target product and simplify the process. The invention consists in the restoration of polythiobis (2,6-ditretbutylphenol) by the action of zinc chips and hydrochloric acid in acetic acid at 40 - 70 o C.
RU94039934A 1994-10-25 1994-10-25 Process for preparing 2,6-ditertbutyl-4-mercaptophenol RU2075471C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94039934A RU2075471C1 (en) 1994-10-25 1994-10-25 Process for preparing 2,6-ditertbutyl-4-mercaptophenol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94039934A RU2075471C1 (en) 1994-10-25 1994-10-25 Process for preparing 2,6-ditertbutyl-4-mercaptophenol

Publications (2)

Publication Number Publication Date
RU94039934A true RU94039934A (en) 1996-10-10
RU2075471C1 RU2075471C1 (en) 1997-03-20

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ID=20162063

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94039934A RU2075471C1 (en) 1994-10-25 1994-10-25 Process for preparing 2,6-ditertbutyl-4-mercaptophenol

Country Status (1)

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RU (1) RU2075471C1 (en)

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Publication number Publication date
RU2075471C1 (en) 1997-03-20

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