YU140985A - Process for the regeneration of purified 6-fluoro-4-chromanone - Google Patents

Process for the regeneration of purified 6-fluoro-4-chromanone

Info

Publication number
YU140985A
YU140985A YU01409/85A YU140985A YU140985A YU 140985 A YU140985 A YU 140985A YU 01409/85 A YU01409/85 A YU 01409/85A YU 140985 A YU140985 A YU 140985A YU 140985 A YU140985 A YU 140985A
Authority
YU
Yugoslavia
Prior art keywords
chromanone
fluoro
regeneration
purified
Prior art date
Application number
YU01409/85A
Other versions
YU43883B (en
Inventor
Jr B W Cue
P D Namen
S S Massett
B S Moore
R J Sysko
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
Priority claimed from US06/440,641 external-priority patent/US4435578A/en
Priority claimed from US06/440,657 external-priority patent/US4431828A/en
Application filed by Pfizer filed Critical Pfizer
Publication of YU140985A publication Critical patent/YU140985A/en
Publication of YU43883B publication Critical patent/YU43883B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D491/00Heterocyclic 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
    • C07D491/02Heterocyclic 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
    • C07D491/10Spiro-condensed systems
    • C07D491/107Spiro-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Hydrogenated Pyridines (AREA)
YU1409/85A 1982-11-10 1985-09-09 Process for the regeneration of purified 6-fluoro-4-chromanone YU43883B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44068682A 1982-11-10 1982-11-10
US06/440,641 US4435578A (en) 1982-11-10 1982-11-10 Sorbinil by optical resolution of precursor 6-fluoro-4-ureidochroman-4-carboxylic acid
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 (2)

Publication Number Publication Date
YU140985A true YU140985A (en) 1986-04-30
YU43883B YU43883B (en) 1989-12-31

Family

ID=27412063

Family Applications (2)

Application Number Title Priority Date Filing Date
YU2203/83A YU44867B (en) 1982-11-10 1983-11-07 Process for obtaining sorbinyle
YU1409/85A YU43883B (en) 1982-11-10 1985-09-09 Process for the regeneration of purified 6-fluoro-4-chromanone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
YU2203/83A YU44867B (en) 1982-11-10 1983-11-07 Process for obtaining sorbinyle

Country Status (16)

Country Link
KR (1) KR870000867B1 (en)
AU (1) AU540399B2 (en)
BG (1) BG44206A3 (en)
CS (1) CS266560B2 (en)
DD (1) DD213924A5 (en)
DK (1) DK512683A (en)
ES (3) ES8506040A1 (en)
FI (1) FI77247C (en)
GR (1) GR79017B (en)
IL (2) IL70165A (en)
NO (1) NO161916C (en)
NZ (1) NZ206189A (en)
PL (1) PL139713B1 (en)
PT (1) PT77617B (en)
SU (1) SU1209030A3 (en)
YU (2) YU44867B (en)

Also Published As

Publication number Publication date
ES534920A0 (en) 1985-09-16
AU2110583A (en) 1984-05-17
FI834088A0 (en) 1983-11-08
ES527118A0 (en) 1985-06-16
CS827183A2 (en) 1989-04-14
KR870000867B1 (en) 1987-04-30
SU1209030A3 (en) 1986-01-30
NO161916B (en) 1989-07-03
PL139713B1 (en) 1987-02-28
ES8506040A1 (en) 1985-06-16
ES534921A0 (en) 1985-06-16
DK512683A (en) 1984-05-11
NZ206189A (en) 1987-06-30
PT77617A (en) 1983-12-01
PL244460A1 (en) 1985-03-26
FI834088A (en) 1984-05-11
KR840006806A (en) 1984-12-03
NO161916C (en) 1989-10-11
DD213924A5 (en) 1984-09-26
GR79017B (en) 1984-10-02
YU43883B (en) 1989-12-31
NO834086L (en) 1984-05-11
BG44206A3 (en) 1988-10-14
DK512683D0 (en) 1983-11-09
ES8600269A1 (en) 1985-09-16
IL81648A0 (en) 1987-09-16
AU540399B2 (en) 1984-11-15
FI77247B (en) 1988-10-31
PT77617B (en) 1986-05-12
ES8505988A1 (en) 1985-06-16
CS266560B2 (en) 1990-01-12
FI77247C (en) 1989-02-10
YU220383A (en) 1988-02-29
IL70165A (en) 1987-12-20
YU44867B (en) 1991-04-30
IL70165A0 (en) 1984-02-29

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