FR2145618B1 - - Google Patents

Info

Publication number
FR2145618B1
FR2145618B1 FR7225221A FR7225221A FR2145618B1 FR 2145618 B1 FR2145618 B1 FR 2145618B1 FR 7225221 A FR7225221 A FR 7225221A FR 7225221 A FR7225221 A FR 7225221A FR 2145618 B1 FR2145618 B1 FR 2145618B1
Authority
FR
France
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
FR7225221A
Other versions
FR2145618A1 (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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2145618A1 publication Critical patent/FR2145618A1/fr
Application granted granted Critical
Publication of FR2145618B1 publication Critical patent/FR2145618B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
FR7225221A 1971-07-13 1972-07-12 Expired FR2145618B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1026471A CH554304A (de) 1971-07-13 1971-07-13 Verfahren zur herstellung von dimethylmaleinsaeureanhydrid.

Publications (2)

Publication Number Publication Date
FR2145618A1 FR2145618A1 (fr) 1973-02-23
FR2145618B1 true FR2145618B1 (fr) 1976-03-05

Family

ID=4361295

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7225221A Expired FR2145618B1 (fr) 1971-07-13 1972-07-12
FR7408132A Granted FR2278696A1 (fr) 1971-07-13 1974-03-11 Derives du dimethyl-2,3 maleimide

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7408132A Granted FR2278696A1 (fr) 1971-07-13 1974-03-11 Derives du dimethyl-2,3 maleimide

Country Status (9)

Country Link
US (1) US3833619A (fr)
JP (1) JPS5246209B1 (fr)
BE (1) BE786156A (fr)
CA (1) CA959056A (fr)
CH (1) CH554304A (fr)
DD (1) DD99780A5 (fr)
DE (2) DE2233889C3 (fr)
FR (2) FR2145618B1 (fr)
GB (1) GB1390649A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480106A (en) * 1981-10-28 1984-10-30 Ciba-Geigy Corporation Process for the preparation of asymmetrically substituted maleic anhydrides, and asymmetrically substituted maleic anhydrides
US4644069A (en) * 1984-08-15 1987-02-17 Ciba-Geigy Corporation Process for the preparation of dimethylmaleic anhydride
JPH0657703B2 (ja) * 1984-08-15 1994-08-03 ローナー アクチエンゲゼルシャフト 無水ジメチルマレイン酸の製造方法
US4571426A (en) * 1984-08-31 1986-02-18 Chemische Werke Huls Ag Process for the production of maleic anhydride
US4562264A (en) * 1984-08-31 1985-12-31 Chemische Werke Huls Aktiengesellschaft Process for the recovery of five-membered ring dicarboxylic acid anhydrides
JPS6317880A (ja) * 1986-07-09 1988-01-25 Nippon Tokushu Noyaku Seizo Kk 新規ｎ−ベンゾチアゾリル−２，５−ジヒドロピロ−ル類及び除草剤
EP0286816A1 (fr) * 1987-03-13 1988-10-19 Nihon Tokushu Noyaku Seizo K.K. 2,5-Dihydropyrroles
US5098982A (en) * 1989-10-10 1992-03-24 The B. F. Goodrich Company Radiation curable thermoplastic polyurethanes
FR2715656B1 (fr) * 1994-01-28 1996-03-22 Rhone Poulenc Chimie Procédé de préparation d'anhydride citraconique.

Also Published As

Publication number Publication date
DE2233889B2 (de) 1978-06-29
US3833619A (en) 1974-09-03
JPS5246209B1 (fr) 1977-11-22
DE2233889C3 (de) 1979-02-22
CA959056A (en) 1974-12-10
FR2145618A1 (fr) 1973-02-23
DD99780A5 (fr) 1973-08-20
GB1390649A (en) 1975-04-16
BE786156A (fr) 1973-01-12
CH554304A (de) 1974-09-30
FR2278696B1 (fr) 1976-12-10
DE2265202B2 (de) 1979-07-12
DE2265202C3 (de) 1980-03-13
FR2278696A1 (fr) 1976-02-13
DE2265202A1 (de) 1976-10-14
DE2233889A1 (de) 1973-01-25

Similar Documents

Publication Publication Date Title
FR2278696B1 (fr)
AU2658571A (fr)
AU463961B2 (fr)
AU2691671A (fr)
AU2894671A (fr)
AU3005371A (fr)
AU2742671A (fr)
AU2684071A (fr)
AU2564071A (fr)
AU2952271A (fr)
AU2485671A (fr)
AU2941471A (fr)
AU3025871A (fr)
AU2684171A (fr)
AU2706571A (fr)
AU2940971A (fr)
AU2726271A (fr)
AU2938071A (fr)
AU2740271A (fr)
AU2963771A (fr)
AU2755871A (fr)
AU2588771A (fr)
AU2885171A (fr)
AU3038671A (fr)
AU2880771A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse