FR2320928A1 - PROCESS FOR THE PREPARATION OF DIMETHYLACETAL METHYLGLYOXALIQUE - Google Patents

PROCESS FOR THE PREPARATION OF DIMETHYLACETAL METHYLGLYOXALIQUE

Info

Publication number
FR2320928A1
FR2320928A1 FR7624511A FR7624511A FR2320928A1 FR 2320928 A1 FR2320928 A1 FR 2320928A1 FR 7624511 A FR7624511 A FR 7624511A FR 7624511 A FR7624511 A FR 7624511A FR 2320928 A1 FR2320928 A1 FR 2320928A1
Authority
FR
France
Prior art keywords
methylglyoxalique
dimethylacetal
preparation
dimethylacetal methylglyoxalique
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.)
Withdrawn
Application number
FR7624511A
Other languages
French (fr)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of FR2320928A1 publication Critical patent/FR2320928A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7624511A 1975-08-13 1976-08-11 PROCESS FOR THE PREPARATION OF DIMETHYLACETAL METHYLGLYOXALIQUE Withdrawn FR2320928A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1053275A CH598174A5 (en) 1975-08-13 1975-08-13

Publications (1)

Publication Number Publication Date
FR2320928A1 true FR2320928A1 (en) 1977-03-11

Family

ID=4364222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624511A Withdrawn FR2320928A1 (en) 1975-08-13 1976-08-11 PROCESS FOR THE PREPARATION OF DIMETHYLACETAL METHYLGLYOXALIQUE

Country Status (7)

Country Link
JP (1) JPS5223013A (en)
BE (1) BE845111A (en)
CH (1) CH598174A5 (en)
DE (1) DE2635958A1 (en)
FR (1) FR2320928A1 (en)
GB (1) GB1508924A (en)
NL (1) NL7608576A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2604159B2 (en) * 1986-06-25 1997-04-30 邦夫 岡部 Three-dimensional volume change rotary mechanism

Also Published As

Publication number Publication date
NL7608576A (en) 1977-02-15
GB1508924A (en) 1978-04-26
BE845111A (en) 1977-02-14
DE2635958A1 (en) 1977-03-03
JPS5223013A (en) 1977-02-21
CH598174A5 (en) 1978-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse