JPS53149912A - Preparation of alkoxyalkylidene compounds - Google Patents

Preparation of alkoxyalkylidene compounds

Info

Publication number
JPS53149912A
JPS53149912A JP6519777A JP6519777A JPS53149912A JP S53149912 A JPS53149912 A JP S53149912A JP 6519777 A JP6519777 A JP 6519777A JP 6519777 A JP6519777 A JP 6519777A JP S53149912 A JPS53149912 A JP S53149912A
Authority
JP
Japan
Prior art keywords
alkoxyalkylidene
compounds
preparation
corroding
ortho
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
JP6519777A
Other languages
Japanese (ja)
Other versions
JPS6042778B2 (en
Inventor
Nobuyuki Yamamoto
Noboru Hasegawa
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry Co 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 Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP52065197A priority Critical patent/JPS6042778B2/en
Publication of JPS53149912A publication Critical patent/JPS53149912A/en
Publication of JPS6042778B2 publication Critical patent/JPS6042778B2/en
Expired 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

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To prepare the title compound useful as an intermediate of medicines, without corroding the reactor, in high yield, by reacting an ortho-acid ester with an active methylene compound in the presence of a catalyst comprising a carboxylic acid or its anhydride and specific zinc salt.
COPYRIGHT: (C)1978,JPO&Japio
JP52065197A 1977-06-01 1977-06-01 Method for producing alkoxyalkylidene compounds Expired JPS6042778B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52065197A JPS6042778B2 (en) 1977-06-01 1977-06-01 Method for producing alkoxyalkylidene compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52065197A JPS6042778B2 (en) 1977-06-01 1977-06-01 Method for producing alkoxyalkylidene compounds

Publications (2)

Publication Number Publication Date
JPS53149912A true JPS53149912A (en) 1978-12-27
JPS6042778B2 JPS6042778B2 (en) 1985-09-25

Family

ID=13279942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52065197A Expired JPS6042778B2 (en) 1977-06-01 1977-06-01 Method for producing alkoxyalkylidene compounds

Country Status (1)

Country Link
JP (1) JPS6042778B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589466A1 (en) * 1985-11-04 1987-05-07 Rhone Poulenc Spec Chim Process for the preparation of compounds carrying alkoxyalkylidene units
US5214186A (en) * 1991-12-03 1993-05-25 Eastman Kodak Company Process for the preparation of arylidine dyes using an active methylene compound
JP2007523864A (en) * 2003-07-10 2007-08-23 シェーリング　コーポレイション Process for the preparation and purification of 2- (alkoxyalkylidene) -3-ketoalkanoates from 3-ketoalkanoates

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589466A1 (en) * 1985-11-04 1987-05-07 Rhone Poulenc Spec Chim Process for the preparation of compounds carrying alkoxyalkylidene units
US5214186A (en) * 1991-12-03 1993-05-25 Eastman Kodak Company Process for the preparation of arylidine dyes using an active methylene compound
JP2007523864A (en) * 2003-07-10 2007-08-23 シェーリング　コーポレイション Process for the preparation and purification of 2- (alkoxyalkylidene) -3-ketoalkanoates from 3-ketoalkanoates

Also Published As

Publication number Publication date
JPS6042778B2 (en) 1985-09-25

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