GB736388A - Novel derivatives of methylene bis-(hydroxy-4-coumarin)-3,3 - Google Patents

Novel derivatives of methylene bis-(hydroxy-4-coumarin)-3,3

Info

Publication number
GB736388A
GB736388A GB25434/53A GB2543453A GB736388A GB 736388 A GB736388 A GB 736388A GB 25434/53 A GB25434/53 A GB 25434/53A GB 2543453 A GB2543453 A GB 2543453A GB 736388 A GB736388 A GB 736388A
Authority
GB
United Kingdom
Prior art keywords
coumarin
hydroxy
methylene bis
novel derivatives
roch2
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
GB25434/53A
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.)
Nv Amsterdamsche Chininefabriek
Original Assignee
Nv 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
Application filed by Nv Amsterdamsche Chininefabriek filed Critical Nv Amsterdamsche Chininefabriek
Publication of GB736388A publication Critical patent/GB736388A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic 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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44—Benzo[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
    • C07D311/46—Benzo[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
    • C07D311/48—Benzo[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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Pyrane Compounds (AREA)
GB25434/53A 1952-10-15 1953-09-15 Novel derivatives of methylene bis-(hydroxy-4-coumarin)-3,3 Expired GB736388A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB736388A true GB736388A (en) 1955-09-07

Family

ID=19820413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25434/53A Expired GB736388A (en) 1952-10-15 1953-09-15 Novel derivatives of methylene bis-(hydroxy-4-coumarin)-3,3

Country Status (5)

Country Link
BE (1) BE522570A (US07816562-20101019-C00012.png)
DE (1) DE964599C (US07816562-20101019-C00012.png)
FR (1) FR1090729A (US07816562-20101019-C00012.png)
GB (1) GB736388A (US07816562-20101019-C00012.png)
NL (1) NL80005C (US07816562-20101019-C00012.png)

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 (US07816562-20101019-C00012.png)
FR1090729A (fr) 1955-04-04
DE964599C (de) 1957-05-23
BE522570A (US07816562-20101019-C00012.png)

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