GB1025572A - New 3-substituted 4-hydroxycoumarins - Google Patents

New 3-substituted 4-hydroxycoumarins

Info

Publication number
GB1025572A
GB1025572A GB3372063A GB3372063A GB1025572A GB 1025572 A GB1025572 A GB 1025572A GB 3372063 A GB3372063 A GB 3372063A GB 3372063 A GB3372063 A GB 3372063A GB 1025572 A GB1025572 A GB 1025572A
Authority
GB
United Kingdom
Prior art keywords
hydroxycoumarins
substituted
new
nitrophenyl
hydroxyphenyl
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
GB3372063A
Inventor
Claire Hilliard Yates
Lloyd Thompson
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.)
Merck Frosst Canada and Co
Original Assignee
Charles E Frosst and Co
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 Charles E Frosst and Co filed Critical Charles E Frosst and Co
Priority to GB3372063A priority Critical patent/GB1025572A/en
Publication of GB1025572A publication Critical patent/GB1025572A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention comprises compounds of formula <FORM:1025572/C2/1> wherein R1 is 2-pyridyl or 2-thienyl and R2 is alkyl (1-6 C), phenyl, hydroxyphenyl or nitrophenyl. They are prepared by reaction of 4-hydroxycoumarin and compounds R1CH=CH-CR2O Salts are mentioned.ALSO:Blood anticoagulant compositions, useful as rodenticides, comprise edible carriers with coumarin derivatives of formula <FORM:1025572/A5-A6/1> wherein R1 is 2-pyridyl or 2-thienyl, and R2 is alkyl (1-6C), phenyl, hydroxyphenyl or nitrophenyl, or their salts.
GB3372063A 1963-08-26 1963-08-26 New 3-substituted 4-hydroxycoumarins Expired GB1025572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3372063A GB1025572A (en) 1963-08-26 1963-08-26 New 3-substituted 4-hydroxycoumarins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3372063A GB1025572A (en) 1963-08-26 1963-08-26 New 3-substituted 4-hydroxycoumarins

Publications (1)

Publication Number Publication Date
GB1025572A true GB1025572A (en) 1966-04-14

Family

ID=10356592

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3372063A Expired GB1025572A (en) 1963-08-26 1963-08-26 New 3-substituted 4-hydroxycoumarins

Country Status (1)

Country Link
GB (1) GB1025572A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101654446B (en) * 2008-08-19 2012-10-03 信谊药厂 Anticoagulant compound, composition and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101654446B (en) * 2008-08-19 2012-10-03 信谊药厂 Anticoagulant compound, composition and application thereof

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