GB734823A - Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives - Google Patents

Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives

Info

Publication number
GB734823A
GB734823A GB23556/53A GB2355653A GB734823A GB 734823 A GB734823 A GB 734823A GB 23556/53 A GB23556/53 A GB 23556/53A GB 2355653 A GB2355653 A GB 2355653A GB 734823 A GB734823 A GB 734823A
Authority
GB
United Kingdom
Prior art keywords
chlorophenyl
alkyl
malonic acid
propyl
alkali metal
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
GB23556/53A
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.)
Roche Products Ltd
Original Assignee
Roche Products Ltd
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 Roche Products Ltd filed Critical Roche Products Ltd
Publication of GB734823A publication Critical patent/GB734823A/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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB23556/53A 1952-08-26 1953-08-26 Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives Expired GB734823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH734823X 1952-08-26

Publications (1)

Publication Number Publication Date
GB734823A true GB734823A (en) 1955-08-10

Family

ID=4532649

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23556/53A Expired GB734823A (en) 1952-08-26 1953-08-26 Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives

Country Status (5)

Country Link
CH (1) CH307810A (de)
DE (1) DE932373C (de)
FR (1) FR71920E (de)
GB (1) GB734823A (de)
NL (1) NL83336C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022317A (en) * 1956-01-20 1962-02-20 Geigy Chem Corp 3-benzyl-4-hydroxycoumarin and a process for the preparation of derivatives of 3-benzyl-4-hydroxycoumarin

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047788B (de) * 1956-01-20 1958-12-31 Geigy Ag J R Verfahren zur Herstellung von Derivaten des 4-Oxycumarins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022317A (en) * 1956-01-20 1962-02-20 Geigy Chem Corp 3-benzyl-4-hydroxycoumarin and a process for the preparation of derivatives of 3-benzyl-4-hydroxycoumarin

Also Published As

Publication number Publication date
DE932373C (de) 1955-08-29
NL83336C (de)
FR71920E (fr) 1960-03-14
CH307810A (de) 1955-06-15

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