PH18265A - Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil - Google Patents

Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil

Info

Publication number
PH18265A
PH18265A PH29805A PH29805A PH18265A PH 18265 A PH18265 A PH 18265A PH 29805 A PH29805 A PH 29805A PH 29805 A PH29805 A PH 29805A PH 18265 A PH18265 A PH 18265A
Authority
PH
Philippines
Prior art keywords
sorbinil
chromanone
fluoro
regeneration
synthesis
Prior art date
Application number
PH29805A
Other languages
English (en)
Inventor
Berkeley Wendell Cue Jr
Philip Dietrich Hammen
Stephen Sargent Massett
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of PH18265A publication Critical patent/PH18265A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems
    • 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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • 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
    • C07D311/68—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
PH29805A 1982-11-10 1983-11-09 Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil PH18265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/440,657 US4431828A (en) 1982-11-10 1982-11-10 Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil

Publications (1)

Publication Number Publication Date
PH18265A true PH18265A (en) 1985-05-14

Family

ID=23749651

Family Applications (1)

Application Number Title Priority Date Filing Date
PH29805A PH18265A (en) 1982-11-10 1983-11-09 Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil

Country Status (13)

Country Link
US (1) US4431828A (ru)
EP (1) EP0111387B1 (ru)
BG (1) BG45387A3 (ru)
CA (1) CA1181754A (ru)
DE (1) DE3362952D1 (ru)
HK (1) HK99587A (ru)
HU (1) HU191160B (ru)
IE (1) IE56257B1 (ru)
MY (1) MY8700730A (ru)
PH (1) PH18265A (ru)
PL (1) PL142777B1 (ru)
SG (1) SG69887G (ru)
SU (1) SU1240358A3 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620019A (en) * 1984-08-23 1986-10-28 Pfizer Inc. S-6-fluoro-4-aminochroman-4-carboxylic acid derivatives useful as intermediates for sorbinil
US4551542A (en) * 1984-09-26 1985-11-05 Pfizer Inc. Regeneration of 6-fluoro-4-chromanone from 6-fluoro-4-ureidochroman-4-carboxylic acid
US4966911A (en) * 1984-11-20 1990-10-30 Washington Research Foundation Immunoregulatory agents
US5340829A (en) * 1984-11-20 1994-08-23 Washington Research Foundation Immunoregulatory agents
US4841079A (en) * 1987-08-07 1989-06-20 Pfizer, Inc. Process for the production of asymmetric hydantoins
US8579985B2 (en) 2006-12-07 2013-11-12 Ihip Surgical, Llc Method and apparatus for hip replacement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130714A (en) * 1977-05-23 1978-12-19 Pfizer Inc. Hydantoin therapeutic agents
US4286098A (en) * 1980-03-28 1981-08-25 Pfizer Inc. Process for the preparation of chiral hydantoins

Also Published As

Publication number Publication date
US4431828A (en) 1984-02-14
BG45387A3 (bg) 1989-05-15
IE832620L (en) 1984-05-10
EP0111387B1 (en) 1986-04-09
CA1181754A (en) 1985-01-29
EP0111387A1 (en) 1984-06-20
HUT36110A (en) 1985-08-28
SG69887G (en) 1988-02-19
MY8700730A (en) 1987-12-31
SU1240358A3 (ru) 1986-06-23
DE3362952D1 (en) 1986-05-15
IE56257B1 (en) 1991-06-05
PL142777B1 (en) 1987-11-30
PL250370A1 (en) 1985-06-04
HK99587A (en) 1987-12-31
HU191160B (en) 1987-01-28

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