FR1404928A - Process for the preparation of diketo-cyclobutene diol - Google Patents

Process for the preparation of diketo-cyclobutene diol

Info

Publication number
FR1404928A
FR1404928A FR985293A FR985293A FR1404928A FR 1404928 A FR1404928 A FR 1404928A FR 985293 A FR985293 A FR 985293A FR 985293 A FR985293 A FR 985293A FR 1404928 A FR1404928 A FR 1404928A
Authority
FR
France
Prior art keywords
diketo
cyclobutene
diol
preparation
cyclobutene diol
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.)
Expired
Application number
FR985293A
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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
Priority claimed from DEC30769A external-priority patent/DE1253266B/en
Application filed by Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Priority to FR985293A priority Critical patent/FR1404928A/en
Application granted granted Critical
Publication of FR1404928A publication Critical patent/FR1404928A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03Monocarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C07C45/43Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
FR985293A 1963-08-24 1964-08-14 Process for the preparation of diketo-cyclobutene diol Expired FR1404928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR985293A FR1404928A (en) 1963-08-24 1964-08-14 Process for the preparation of diketo-cyclobutene diol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC30769A DE1253266B (en) 1963-08-24 1963-08-24 Process for the production of dioxocyclobutene diol
FR985293A FR1404928A (en) 1963-08-24 1964-08-14 Process for the preparation of diketo-cyclobutene diol

Publications (1)

Publication Number Publication Date
FR1404928A true FR1404928A (en) 1965-07-02

Family

ID=25969734

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985293A Expired FR1404928A (en) 1963-08-24 1964-08-14 Process for the preparation of diketo-cyclobutene diol

Country Status (1)

Country Link
FR (1) FR1404928A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2352778A1 (en) * 1976-05-28 1977-12-23 Huels Chemische Werke Ag PROCESS FOR PREPARING 1,2-DIHYDROXY-CYCLOBUTENE-DIONE- (3,4) NAMED QUADRATIC ACID
EP0123042A2 (en) * 1983-04-21 1984-10-31 Hüls Aktiengesellschaft Process for the preparation of squaric acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2352778A1 (en) * 1976-05-28 1977-12-23 Huels Chemische Werke Ag PROCESS FOR PREPARING 1,2-DIHYDROXY-CYCLOBUTENE-DIONE- (3,4) NAMED QUADRATIC ACID
EP0123042A2 (en) * 1983-04-21 1984-10-31 Hüls Aktiengesellschaft Process for the preparation of squaric acid
EP0123042A3 (en) * 1983-04-21 1985-09-18 Chemische Werke Huls Ag Process for the preparation of squaric acid

Similar Documents

Publication Publication Date Title
CH429731A (en) Process for the preparation of benzoxazepines
FR1458925A (en) Process for the preparation of new alpha-aminopenicillins
FR1404928A (en) Process for the preparation of diketo-cyclobutene diol
FR1426192A (en) Process for the preparation of polyesters
FR1381018A (en) Process for the preparation of polyesters
FR1405498A (en) Process for the preparation of new androstano-pyrazoles
FR1354508A (en) Process for the preparation of 3-alkyl-phenols
FR1531330A (en) Process for the preparation of substituted 2-oxo-tetrahydroquinolines
CH432515A (en) Process for the preparation of steroids
FR1360044A (en) Process for the preparation of new dibenzo-aza-cyclo-alcadienes
FR1381644A (en) Process for the preparation of 19-nor-steroids
FR1378405A (en) Process for the preparation of 3-alkyl-phenols
FR1447950A (en) Process for the preparation of substituted dihydro-alpha-pyrones
FR1353239A (en) Process for the preparation of new a-nor-b-homo-steroids
FR1372852A (en) Process for the preparation of 17beta-hydroxy-retro-steroids
FR1356548A (en) Process for the preparation of 19-nor-steroids
FR1527665A (en) Process for the preparation of cycloalkanonoximes
FR87701E (en) Process for the preparation of ketosteroids
FR90854E (en) Process for the preparation of gem-difluorosteroids
FR1374663A (en) Process for the preparation of n-alkyl-alpha-, alpha-diaryl-beta-alkylaminopropionamides
FR1385806A (en) Process for the preparation of 16-alkyl-steroids
FR1352752A (en) Process for the preparation of benzanthronyl-pyrazolanthrones
FR1370969A (en) Process for the preparation of 10-formylsteroids
FR1404514A (en) Process for the preparation of pyrazineacetonitriles
FR1357274A (en) Process for the preparation of 19-nor-steroids