PRODUCTION PROCESS AND PURIFICATION PROCESS OF 4-HYDROXY-BENZOIC ACID LONG CHAIN ESTER

PRODUCTION PROCESS AND PURIFICATION PROCESS OF 4-HYDROXY-BENZOIC ACID LONG CHAIN ESTER

The present invention relates to a production process of a 4-hydroxy-benzoic acid long chain ester, that includes a step of reacting a 4-hydroxy-benzoic acid short chain ester with an aliphatic alcohol in the presence of a metal catalyst. The present invention also relates to a purification process...

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Hauptverfasser: HISANO, Takaya, KOMATSU, Toshihide, KITA, Yusuke, YANAGAWASE, Kuniyo, TSUCHIYA, Mio
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator HISANO, Takaya
KOMATSU, Toshihide
KITA, Yusuke
YANAGAWASE, Kuniyo
TSUCHIYA, Mio
description The present invention relates to a production process of a 4-hydroxy-benzoic acid long chain ester, that includes a step of reacting a 4-hydroxy-benzoic acid short chain ester with an aliphatic alcohol in the presence of a metal catalyst. The present invention also relates to a purification process of a 4-hydroxy-benzoic acid long chain ester, that includes a step of adding an acid aqueous solution to a crude composition including the 4-hydroxy-benzoic acid long chain ester, separating the crude composition to an organic phase and a water phase and extracting the organic phase.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title PRODUCTION PROCESS AND PURIFICATION PROCESS OF 4-HYDROXY-BENZOIC ACID LONG CHAIN ESTER
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