FR1090729A - Procédé de préparation de nouveaux dérivés de méthylène bis (hydroxy-4 coumarine)-3, 3' - Google Patents

Procédé de préparation de nouveaux dérivés de méthylène bis (hydroxy-4 coumarine)-3, 3'

Info

Publication number
FR1090729A
FR1090729A FR1090729DA FR1090729A FR 1090729 A FR1090729 A FR 1090729A FR 1090729D A FR1090729D A FR 1090729DA FR 1090729 A FR1090729 A FR 1090729A
Authority
FR
France
Prior art keywords
methylene bis
new derivatives
hydroxy coumarin
coumarin
hydroxy
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.)
N V Amsterdamsche Chininefabriek
Original Assignee
N V Amsterdamsche Chininefabriek
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
Priority to NL736388X priority Critical
Application filed by N V Amsterdamsche Chininefabriek filed Critical N V Amsterdamsche Chininefabriek
Application granted granted Critical
Publication of FR1090729A publication Critical patent/FR1090729A/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
    • C07D311/42Benzo[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
FR1090729D 1952-10-15 1953-10-07 Procédé de préparation de nouveaux dérivés de méthylène bis (hydroxy-4 coumarine)-3, 3' Expired FR1090729A (fr)

Priority Applications (1)

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

Publications (1)

Publication Number Publication Date
FR1090729A true FR1090729A (fr) 1955-04-04

Family

ID=19820413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090729D Expired FR1090729A (fr) 1952-10-15 1953-10-07 Procédé de préparation de nouveaux dérivés de méthylène bis (hydroxy-4 coumarine)-3, 3'

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)

Cited By (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

Cited By (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
BE522570A (fr)
GB736388A (en) 1955-09-07
DE964599C (de) 1957-05-23
NL80005C (fr)

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