FR943704A - Composés chimiques et leurs procédés de préparation - Google Patents

Composés chimiques et leurs procédés de préparation

Info

Publication number
FR943704A
FR943704A FR943704DA FR943704A FR 943704 A FR943704 A FR 943704A FR 943704D A FR943704D A FR 943704DA FR 943704 A FR943704 A FR 943704A
Authority
FR
France
Prior art keywords
chemical compounds
preparation processes
processes
preparation
compounds
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
Other languages
English (en)
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Application granted granted Critical
Publication of FR943704A publication Critical patent/FR943704A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D499/21Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
    • C07D499/28Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with modified 2-carboxyl group
    • C07D499/32Esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR943704D 1945-12-20 1946-12-18 Composés chimiques et leurs procédés de préparation Expired FR943704A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US943704XA 1945-12-20 1945-12-20

Publications (1)

Publication Number Publication Date
FR943704A true FR943704A (fr) 1949-03-16

Family

ID=22244757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943704D Expired FR943704A (fr) 1945-12-20 1946-12-18 Composés chimiques et leurs procédés de préparation

Country Status (1)

Country Link
FR (1) FR943704A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014114B (de) * 1952-02-29 1957-08-22 Leo Pharm Prod Ltd Verfahren zur Herstellung von Estern des Penicillins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014114B (de) * 1952-02-29 1957-08-22 Leo Pharm Prod Ltd Verfahren zur Herstellung von Estern des Penicillins

Similar Documents

Publication Publication Date Title
FR927216A (fr) Procédé de décoloration
FR943704A (fr) Composés chimiques et leurs procédés de préparation
FR927576A (fr) Perfectionnements aux compositions chimiques
FR928698A (fr) Nouveaux composés chimiques et leurs procédés de préparation
FR1057122A (fr) Procédé de préparation de la sistomycosine
FR914826A (fr) Procédé de préparation de para-aminobenzènesulfamido-2-pyrimidine
FR931412A (fr) Procédé de polymérisation de composés alpha-haloacryliques
FR1015805A (fr) Nouveaux composés chimiques de la classe des coumarines, leurs procédés de préparation et leurs applications
FR937850A (fr) Composés chimiques et leur procédé de préparation
FR932283A (fr) Composés chimiques et leur procédé de préparation
FR1067847A (fr) Composés de polyhydrophénanthrène et leurs procédés de préparation
FR929053A (fr) Préparation de composés fluoro-chlorés
FR966789A (fr) Procédé de préparation de substances luminescentes
FR1063842A (fr) Procédé de préparation de nouvelles bis-phényl-thiourées
FR934373A (fr) Appareil de réaction
FR914870A (fr) Emplois particuliers de poudres chimiques
FR998567A (fr) Nouveaux composés métalliques pyruviques complexes et leurs procédés de préparation
FR1036607A (fr) Nouveaux composés chimiques et leurs procédés de préparation
FR927260A (fr) Procédé de préparation de ptéridines substituées et de leurs intermédiaires
FR919624A (fr) Copolymères et leurs procédés de préparation
FR943728A (fr) Procédé de préparation de composés hydraziniques et de leurs dérivés
FR56013E (fr) Procédé de préparation de glycols et de leurs éthers-sels
FR920685A (fr) Procédé de préparation d'alcoylbenzènes
FR1082620A (fr) Procédés de préparation de composés du type stéroïde
FR55088E (fr) Nouveaux produits synthétiques, leurs procédés de préparation et leurs applications