ZA896332B - Process for the manufacture of benzopyran derivatives - Google Patents

Process for the manufacture of benzopyran derivatives

Info

Publication number
ZA896332B
ZA896332B ZA896332A ZA896332A ZA896332B ZA 896332 B ZA896332 B ZA 896332B ZA 896332 A ZA896332 A ZA 896332A ZA 896332 A ZA896332 A ZA 896332A ZA 896332 B ZA896332 B ZA 896332B
Authority
ZA
South Africa
Prior art keywords
manufacture
benzopyran derivatives
benzopyran
derivatives
Prior art date
Application number
ZA896332A
Other languages
English (en)
Inventor
Percy Sarwood Manchand
Sarwood Manchand Percy
Robert Angelo Micheli
Angelo Micheli Robert
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of ZA896332B publication Critical patent/ZA896332B/xx

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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/66—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • 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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
ZA896332A 1988-08-23 1989-08-18 Process for the manufacture of benzopyran derivatives ZA896332B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/235,129 US4931574A (en) 1988-08-23 1988-08-23 Process for the preparation of benzopyrans

Publications (1)

Publication Number Publication Date
ZA896332B true ZA896332B (en) 1990-05-30

Family

ID=22884213

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA896332A ZA896332B (en) 1988-08-23 1989-08-18 Process for the manufacture of benzopyran derivatives

Country Status (7)

Country Link
US (1) US4931574A (da)
EP (1) EP0355617A1 (da)
JP (1) JPH02108684A (da)
AU (1) AU616997B2 (da)
DK (1) DK413289A (da)
NZ (1) NZ230354A (da)
ZA (1) ZA896332B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH30449A (en) * 1991-11-25 1997-05-28 Lilly Co Eli Substituted phenyl phenol leukotriene antagonists
US5324743A (en) * 1992-12-10 1994-06-28 Eli Lilly And Company Leukotriene B4 antagonists

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA844519B (en) * 1983-06-24 1985-02-27 Hoffmann La Roche Dihydrobenzopyran derivatives
US4785017A (en) * 1983-06-24 1988-11-15 Hoffmann-La Roche Inc. 3,4-dihydro-2H-1-benzopyran derivatives
US4565882A (en) * 1984-01-06 1986-01-21 G. D. Searle & Co. Substituted dihydrobenzopyran-2-carboxylates
EP0202580B1 (en) * 1985-05-13 1990-03-28 Kuraray Co., Ltd. 3,4-dihydrobenzopyran derivatives
US4885309A (en) * 1986-08-01 1989-12-05 Hoffmann-La Roche Inc. Therapeutic treatment of leukotriene-mediated dermal inflammation by topical administration of 3,4-dihydro-2H-1-benzopyran derivatives
ZA875319B (en) * 1986-08-15 1988-02-15 F. Hoffmann-La Roche & Co. Aktiengesellschaft Use of dihydro benzopyran derivatives
US4889871A (en) * 1987-05-29 1989-12-26 G. D. Searle & Co. Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives

Also Published As

Publication number Publication date
AU4016689A (en) 1990-03-01
NZ230354A (en) 1992-05-26
JPH02108684A (ja) 1990-04-20
EP0355617A1 (en) 1990-02-28
DK413289A (da) 1990-02-24
US4931574A (en) 1990-06-05
AU616997B2 (en) 1991-11-14
DK413289D0 (da) 1989-08-22

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