BE522570A - - Google Patents

Info

Publication number
BE522570A
BE522570A BE522570DA BE522570A BE 522570 A BE522570 A BE 522570A BE 522570D A BE522570D A BE 522570DA BE 522570 A BE522570 A BE 522570A
Authority
BE
Belgium
Application number
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.)
Publication of BE522570A publication Critical patent/BE522570A/xx
Priority to NL736388X priority Critical

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
    • C07D311/42Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
    • C07D311/48Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain
BE522570D 1952-10-15 BE522570A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL736388X 1952-10-15

Publications (1)

Publication Number Publication Date
BE522570A true BE522570A (fr)

Family

ID=19820413

Family Applications (1)

Application Number Title Priority Date Filing Date
BE522570D BE522570A (fr) 1952-10-15

Country Status (5)

Country Link
BE (1) BE522570A (fr)
DE (1) DE964599C (fr)
FR (1) FR1090729A (fr)
GB (1) GB736388A (fr)
NL (1) NL80005C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358031A (en) * 1966-02-09 1967-12-12 Monsanto Co Substituted benzylidene cyclohexanediones

Also Published As

Publication number Publication date
NL80005C (fr)
GB736388A (en) 1955-09-07
DE964599C (de) 1957-05-23
FR1090729A (fr) 1955-04-04

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