BE626560A - - Google Patents

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Publication number
BE626560A
BE626560A BE626560DA BE626560A BE 626560 A BE626560 A BE 626560A BE 626560D A BE626560D A BE 626560DA BE 626560 A BE626560 A BE 626560A
Authority
BE
Belgium
Prior art keywords
formate
product
methylene chloride
filter
process according
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE626560A publication Critical patent/BE626560A/fr

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE626560D BE626560A (d)

Publications (1)

Publication Number Publication Date
BE626560A true BE626560A (d)

Family

ID=197298

Family Applications (1)

Application Number Title Priority Date Filing Date
BE626560D BE626560A (d)

Country Status (1)

Country Link
BE (1) BE626560A (d)

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