JPS53137923A - Preparation of protocatechuic aldehyde - Google Patents

Preparation of protocatechuic aldehyde

Info

Publication number
JPS53137923A
JPS53137923A JP5259077A JP5259077A JPS53137923A JP S53137923 A JPS53137923 A JP S53137923A JP 5259077 A JP5259077 A JP 5259077A JP 5259077 A JP5259077 A JP 5259077A JP S53137923 A JPS53137923 A JP S53137923A
Authority
JP
Japan
Prior art keywords
preparation
protocatechuic aldehyde
aqueous medium
basic aqueous
protocatechuic
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
JP5259077A
Other languages
Japanese (ja)
Other versions
JPS5721252B2 (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 JP5259077A priority Critical patent/JPS53137923A/en
Priority to US05/869,608 priority patent/US4165341A/en
Priority to DE2804063A priority patent/DE2804063C3/en
Priority to IT19930/78A priority patent/IT1092403B/en
Priority to FR7803085A priority patent/FR2379501A1/en
Publication of JPS53137923A publication Critical patent/JPS53137923A/en
Publication of JPS5721252B2 publication Critical patent/JPS5721252B2/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 obtain the title compound with high selectivity in two steps, by the reaction of catechol and glyoxylic acid in a basic aqueous medium at 0 - 50°C in the presence of a catalyst, e.g. aluminum oxide, followed by the oxidation of the mixture obtained in a basic aqueous medium.
COPYRIGHT: (C)1978,JPO&Japio
JP5259077A 1977-02-04 1977-05-10 Preparation of protocatechuic aldehyde Granted JPS53137923A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5259077A JPS53137923A (en) 1977-05-10 1977-05-10 Preparation of protocatechuic aldehyde
US05/869,608 US4165341A (en) 1977-02-04 1978-01-16 Process for preparing protocatechualdehyde and its derivatives
DE2804063A DE2804063C3 (en) 1977-02-04 1978-01-31 Process for the production of protocatechualdehyde or 3-methoxy- or ethoxy-4-hydroxybenzaldehyde
IT19930/78A IT1092403B (en) 1977-02-04 1978-02-02 PROCEDURE FOR PREPARING PROTOCATECUALDEIDE
FR7803085A FR2379501A1 (en) 1977-02-04 1978-02-03 PROCESS FOR PREPARATION OF PROTOCATECHIC ALDEHYDE AND ITS DERIVATIVES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5259077A JPS53137923A (en) 1977-05-10 1977-05-10 Preparation of protocatechuic aldehyde

Publications (2)

Publication Number Publication Date
JPS53137923A true JPS53137923A (en) 1978-12-01
JPS5721252B2 JPS5721252B2 (en) 1982-05-06

Family

ID=12918996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5259077A Granted JPS53137923A (en) 1977-02-04 1977-05-10 Preparation of protocatechuic aldehyde

Country Status (1)

Country Link
JP (1) JPS53137923A (en)

Also Published As

Publication number Publication date
JPS5721252B2 (en) 1982-05-06

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