JPS54103811A - Production of 5-hydroxy-3-hexanone - Google Patents

Production of 5-hydroxy-3-hexanone

Info

Publication number
JPS54103811A
JPS54103811A JP1038978A JP1038978A JPS54103811A JP S54103811 A JPS54103811 A JP S54103811A JP 1038978 A JP1038978 A JP 1038978A JP 1038978 A JP1038978 A JP 1038978A JP S54103811 A JPS54103811 A JP S54103811A
Authority
JP
Japan
Prior art keywords
hydroxy
water content
hexanone
acetaldehyde
ethyl ketone
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1038978A
Other languages
Japanese (ja)
Inventor
Toshiaki Harada
Kenichi Kato
Masahiro Koga
Teizo Yamaji
Shoji Kawase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
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.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP1038978A priority Critical patent/JPS54103811A/en
Publication of JPS54103811A publication Critical patent/JPS54103811A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: The water content in the reaction system is kept below a specific value while the reaction between acetaldehyde and methyl ethyl ketone is effected to product title compound useful for an intermediate of pigments in high yield.
CONSTITUTION: The aldol condensation between acetaldehyde and methyl ethyl ketone in the presence of a basic catalyst gives 5-hydroxy-3-hexanone, wherein the water content is kept lower than 5wt% in the reaction system. The reduction of the water content decreases the formation of by-products as 4-hydroxy-3-methyl-2- pentanone.
USE: An intermediate of red pigments with diazaphenalene structure.
COPYRIGHT: (C)1979,JPO&Japio
JP1038978A 1978-02-03 1978-02-03 Production of 5-hydroxy-3-hexanone Pending JPS54103811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1038978A JPS54103811A (en) 1978-02-03 1978-02-03 Production of 5-hydroxy-3-hexanone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1038978A JPS54103811A (en) 1978-02-03 1978-02-03 Production of 5-hydroxy-3-hexanone

Publications (1)

Publication Number Publication Date
JPS54103811A true JPS54103811A (en) 1979-08-15

Family

ID=11748757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1038978A Pending JPS54103811A (en) 1978-02-03 1978-02-03 Production of 5-hydroxy-3-hexanone

Country Status (1)

Country Link
JP (1) JPS54103811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588567A1 (en) * 1985-10-11 1987-04-17 Sanofi Sa PROCESS FOR THE PREPARATION OF 3K CETONIC HYDROXY DERIVATIVES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588567A1 (en) * 1985-10-11 1987-04-17 Sanofi Sa PROCESS FOR THE PREPARATION OF 3K CETONIC HYDROXY DERIVATIVES
EP0223765A1 (en) * 1985-10-11 1987-05-27 Sanofi S.A. Process for the preparation of hydroxy-3 ketone derivatives

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