JPS5365840A - Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde - Google Patents

Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde

Info

Publication number
JPS5365840A
JPS5365840A JP13953276A JP13953276A JPS5365840A JP S5365840 A JPS5365840 A JP S5365840A JP 13953276 A JP13953276 A JP 13953276A JP 13953276 A JP13953276 A JP 13953276A JP S5365840 A JPS5365840 A JP S5365840A
Authority
JP
Japan
Prior art keywords
alkoxy
hydroxyisophthalaldehyde
benzaldehyde
hydroxy
preparation
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.)
Granted
Application number
JP13953276A
Other languages
Japanese (ja)
Other versions
JPS5721169B2 (en
Inventor
Yoshio Umemura
Nagaaki Takamitsu
Takuji Enomiya
Hiroshi Shiraishi
Takahito Nakamura
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.)
Ube Corp
Original Assignee
Ube Industries 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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP13953276A priority Critical patent/JPS5365840A/en
Publication of JPS5365840A publication Critical patent/JPS5365840A/en
Publication of JPS5721169B2 publication Critical patent/JPS5721169B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

PURPOSE: To prepare two title cpds. simultaneously by reaction by 2-alkoxyphenol with glyoxylic acid in an aqueous basic medium at a specific temp. in the presence of ZnO or MgO as a catalyst, followed by oxidation in an aqueous basic medium.
COPYRIGHT: (C)1978,JPO&Japio
JP13953276A 1976-11-22 1976-11-22 Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde Granted JPS5365840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13953276A JPS5365840A (en) 1976-11-22 1976-11-22 Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13953276A JPS5365840A (en) 1976-11-22 1976-11-22 Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde

Publications (2)

Publication Number Publication Date
JPS5365840A true JPS5365840A (en) 1978-06-12
JPS5721169B2 JPS5721169B2 (en) 1982-05-06

Family

ID=15247462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13953276A Granted JPS5365840A (en) 1976-11-22 1976-11-22 Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde

Country Status (1)

Country Link
JP (1) JPS5365840A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947780A (en) * 2018-07-23 2018-12-07 重庆欣欣向荣精细化工有限公司 A method of rectifying high-boiling components in processing Ethyl vanillin preparation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104570U (en) * 1983-12-22 1985-07-17 吉牟田　一彦 double-sided door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947780A (en) * 2018-07-23 2018-12-07 重庆欣欣向荣精细化工有限公司 A method of rectifying high-boiling components in processing Ethyl vanillin preparation

Also Published As

Publication number Publication date
JPS5721169B2 (en) 1982-05-06

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