BE869520A - Procede pour l'otention de phtalide - Google Patents

Procede pour l'otention de phtalide

Info

Publication number
BE869520A
BE869520A BE189698A BE189698A BE869520A BE 869520 A BE869520 A BE 869520A BE 189698 A BE189698 A BE 189698A BE 189698 A BE189698 A BE 189698A BE 869520 A BE869520 A BE 869520A
Authority
BE
Belgium
Prior art keywords
phthalide
removal
procedure
Prior art date
Application number
BE189698A
Other languages
English (en)
French (fr)
Original Assignee
Dynamit Nobel 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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of BE869520A publication Critical patent/BE869520A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE189698A 1977-08-06 1978-08-04 Procede pour l'otention de phtalide BE869520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772735600 DE2735600A1 (de) 1977-08-06 1977-08-06 Verfahren zur herstellung von phthalid

Publications (1)

Publication Number Publication Date
BE869520A true BE869520A (fr) 1978-12-01

Family

ID=6015852

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189698A BE869520A (fr) 1977-08-06 1978-08-04 Procede pour l'otention de phtalide

Country Status (7)

Country Link
US (1) US4211711A (ja)
JP (1) JPS5430148A (ja)
BE (1) BE869520A (ja)
DE (1) DE2735600A1 (ja)
FR (1) FR2399423A1 (ja)
IT (1) IT1107781B (ja)
NL (1) NL7808235A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973713A (en) * 1989-11-28 1990-11-27 E. I. Du Pont De Nemours And Company Catalytic hydrogenation of carboxylic anhydrides to esters or lactones
ES2191987T3 (es) * 1997-12-22 2003-09-16 Schering Corp Formas de dosificacion de ribavirina solidas, administrables oralmente, y procedimiento de fabricacion.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065237A (en) * 1962-11-20 Process for preparing pyrrolidinones
US2114696A (en) * 1935-03-30 1938-04-19 Du Pont Process of producing phthalide
US4113948A (en) * 1974-02-15 1978-09-12 Avgust Karlovich Aren 1-amino-1-phthalidyl alkanes and a method for producing same
DE2614294C3 (de) * 1976-04-02 1979-02-22 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Phthalid
DE2644677A1 (de) * 1976-10-02 1978-04-06 Dynamit Nobel Ag Verfahren zur herstellung von phthalid aus phthalaldehydsaeure

Also Published As

Publication number Publication date
DE2735600A1 (de) 1979-02-15
IT7850605A0 (it) 1978-08-04
IT1107781B (it) 1985-11-25
US4211711A (en) 1980-07-08
FR2399423A1 (fr) 1979-03-02
NL7808235A (nl) 1979-02-08
JPS5430148A (en) 1979-03-06

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