FR884566A - Procédé de préparation de produits de condensation - Google Patents

Procédé de préparation de produits de condensation

Info

Publication number
FR884566A
FR884566A FR884566DA FR884566A FR 884566 A FR884566 A FR 884566A FR 884566D A FR884566D A FR 884566DA FR 884566 A FR884566 A FR 884566A
Authority
FR
France
Prior art keywords
preparation
condensation products
condensation
products
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.)
Bayer Pharma AG
Original Assignee
Schering 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 Schering AG filed Critical Schering AG
Application granted granted Critical
Publication of FR884566A publication Critical patent/FR884566A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/28Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
    • C07D311/322,3-Dihydro derivatives, e.g. flavanones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/28Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
    • C07D311/30Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR884566D 1941-07-30 1942-07-30 Procédé de préparation de produits de condensation Expired FR884566A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE884566X 1941-07-30

Publications (1)

Publication Number Publication Date
FR884566A true FR884566A (fr) 1943-08-20

Family

ID=6832503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884566D Expired FR884566A (fr) 1941-07-30 1942-07-30 Procédé de préparation de produits de condensation

Country Status (1)

Country Link
FR (1) FR884566A (fr)

Similar Documents

Publication Publication Date Title
FR892361A (fr) Produits de condensation et procédé de préparation de ces produits
FR881823A (fr) Produits de condensation et leur procédé de préparation
FR870471A (fr) Procédé pour la préparation de produits de condensation
FR884794A (fr) Procédé pour la préparation de produits de polycondensation
FR878681A (fr) Procédé de préparation de produits de polycondensation
FR879078A (fr) Procédé de préparation de produits de polycondensation
FR884566A (fr) Procédé de préparation de produits de condensation
FR888719A (fr) Produits de condensation et procédé de préparation de ces produits
FR896174A (fr) Procédé de préparation de produits de condensation
FR976619A (fr) Procédé de préparation de produits de condensation
FR891508A (fr) Procédé de préparation de produits de condensation
FR880649A (fr) Procédé de préparation de produits de polycondensation
FR884793A (fr) Procédé de préparation de produits de polycondensation
FR879249A (fr) Procédé de préparation de produits de polycondensation
FR878697A (fr) Procédé de préparation de produits de polycondensation
FR877865A (fr) Procédé pour la préparation de produits fertilisants
FR885695A (fr) Procédé de préparation de produits de poly-condensation
FR882126A (fr) Procédé de préparation de produits de dégradation des stérines
FR976543A (fr) Procédé de préparation de produits de polymérisation
BE451954A (fr) Procédé de préparation de produits de polymérisation
FR861274A (fr) Procédé de préparation de produits de condensation cycliques
FR890764A (fr) Procédé de préparation de produits de condensation
FR890798A (fr) Procédé de préparation de produits de condensation
FR890916A (fr) Procédé de préparation de produits de condensation
FR890583A (fr) Procédé de préparation de produits de condensation