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Title:
METHOD FOR PRODUCTION OF 3-METHYL-1,5-PENTANEDIOL
Document Type and Number:
WIPO Patent Application WO/2007/125909
Kind Code:
A1
Abstract:
Disclosed is a method for production of 3-methyl-1,5-pentanediol by hydrogenation of 2-hydroxy-4-methyltetrahydropyran in the presence of a hydrogenation catalyst, wherein the method is characterized by performing the hydrogenation additionally in the presence of a basic compound. The method enables to produce highly pure MPD by the hydrogenation of MHP with a conventional hyrogenation catalyst, while preventing the formation of any by-product such as MPAE or MVL effectively.

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Inventors:
HINO KENICHI (JP)
YADA KAZUYUKI (JP)
SAEKI KEISUKE (JP)
Application Number:
PCT/JP2007/058835
Publication Date:
November 08, 2007
Filing Date:
April 24, 2007
Export Citation:
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Assignee:
KURARAY CO (JP)
HINO KENICHI (JP)
YADA KAZUYUKI (JP)
SAEKI KEISUKE (JP)
International Classes:
C07C29/132; C07C31/20; C07B61/00
Foreign References:
JPH01100139A1989-04-18
JPS61249940A1986-11-07
JPS5745120A1982-03-13
JPS61249941A1986-11-07
JPH11236341A1999-08-31
JPS61172838A1986-08-04
JPS60202835A1985-10-14
JPS61249940A1986-11-07
JPH01100139A1989-04-18
JPS4747362B1
Other References:
"hannoubetu jituyou shokubai", 1970, KAGAKU KOUGYOUSHA, pages: 111 - 141
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