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)
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/fr

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 (fr)
JP (1) JPS5430148A (fr)
BE (1) BE869520A (fr)
DE (1) DE2735600A1 (fr)
FR (1) FR2399423A1 (fr)
IT (1) IT1107781B (fr)
NL (1) NL7808235A (fr)

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
PL190267B1 (pl) * 1997-12-22 2005-11-30 Schering Corp Stała postać dawkowania do podawania doustnego zawierająca rybawirynę i sposób jej wytwarzania

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

Similar Documents

Publication Publication Date Title
BE869256A (fr) Procede pour l'ethylation de mono-alkylbenzenes
RO76054A (fr) Procede pour la preparation des tetradecapeptides
BE884650A (fr) Procede pour la preparation de diesterdiamides
RO75870A (fr) Procede pour la preparation des alkylendiamines
BE885977A (fr) Procede pour la preparation de dithiazolyldisulfures
RO79398A (fr) Procede pour la preparation des 1-oxa-dethiacephalosporines
RO83446A (fr) Procede pour la preparation des cyclopropylmethoxyanilides
LU80567A1 (fr) Procede pour la preparation de 3-iodo-et de 3 bromorifamycine s
BE862360A (fr) Procede pour la chloration dirigee d'alcoylbenzenes
RO76936A (fr) Procede pour la preparation de p-phenylendiamines asimetriques n-phenole-n'-substitues
BE864002A (fr) Procede pour la preparation de mefloquine
RO75387A (fr) Procede pour la preparation des derives de 4"-aminooleandomicyne
BE867228A (fr) Procede pour la preparation d'hydroxyphenylglycocolles
BE867414A (fr) Procede pour la preparation d'hydroxy-alpha-aminobenzylpenicillines
BE869520A (fr) Procede pour l'otention de phtalide
BE869689A (fr) Procede pour la preparation de colorants basiques
FR2378745B1 (fr) Procede pour la preparation de para-nitroso-diphenyl-hydroxylamines
RO79702A (fr) Procede pour la preparation de 3-di-n-propyle-acetoxy-benzodiazepin-2-ones
BE880139A (fr) Procede pour la preparation de chloro-amino-s-triazines
FR2348209A1 (fr) Procede pour l'obtention de phtalide
BE870138A (fr) Procede pour la preparation de 1-anthraquinonylhydrazines
RO72832A (fr) Procede pour la preparation de n-(2'-furanidyle)-5-fluoro-uracyle
RO74147A (fr) Procede pour la preparation des triazolothienodiazepin-1-ones
RO81525A (fr) Procede pour la preparation des 9-fluor-prednisolones
RO75074A (fr) Procede pour la preparation des thiophenoles