NZ206189A - Preparation of sorbinil by selective crystallisation of certain amine salts of racemic 6-fluoro-2,3-dihydro-spiro (4h-1-benzopyran -4,4'- imidazolidine) -2',5'- dione - Google Patents

Preparation of sorbinil by selective crystallisation of certain amine salts of racemic 6-fluoro-2,3-dihydro-spiro (4h-1-benzopyran -4,4'- imidazolidine) -2',5'- dione

Info

Publication number
NZ206189A
NZ206189A NZ206189A NZ20618983A NZ206189A NZ 206189 A NZ206189 A NZ 206189A NZ 206189 A NZ206189 A NZ 206189A NZ 20618983 A NZ20618983 A NZ 20618983A NZ 206189 A NZ206189 A NZ 206189A
Authority
NZ
New Zealand
Prior art keywords
sorbinil
salt
aminomethylpinane
fluoro
racemic
Prior art date
Application number
NZ206189A
Other languages
English (en)
Inventor
B W Cue
P D Hammen
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 US06/440,657 external-priority patent/US4431828A/en
Priority claimed from US06/440,641 external-priority patent/US4435578A/en
Application filed by Pfizer filed Critical Pfizer
Priority to NZ216928A priority Critical patent/NZ216928A/en
Priority to NZ21692983A priority patent/NZ216929A/en
Publication of NZ206189A publication Critical patent/NZ206189A/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
    • C07D491/107—Spiro-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)
NZ206189A 1982-11-10 1983-11-08 Preparation of sorbinil by selective crystallisation of certain amine salts of racemic 6-fluoro-2,3-dihydro-spiro (4h-1-benzopyran -4,4'- imidazolidine) -2',5'- dione NZ206189A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ216928A NZ216928A (en) 1982-11-10 1983-11-08 Sorbinil by optical resolution of precursor 6- fluoro -4- ureidochroman -4-ylcarboxylic acid and certain amine salts of this precursor acid
NZ21692983A NZ216929A (en) 1982-11-10 1983-11-08 Regeneration of 6-fluorochroman -4-one from by-products from synthesis of sorbinil

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
NZ206189A true NZ206189A (en) 1987-06-30

Family

ID=27412063

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ206189A NZ206189A (en) 1982-11-10 1983-11-08 Preparation of sorbinil by selective crystallisation of certain amine salts of racemic 6-fluoro-2,3-dihydro-spiro (4h-1-benzopyran -4,4'- imidazolidine) -2',5'- dione

Country Status (16)

Country Link
KR (1) KR870000867B1 (xx)
AU (1) AU540399B2 (xx)
BG (1) BG44206A3 (xx)
CS (1) CS266560B2 (xx)
DD (1) DD213924A5 (xx)
DK (1) DK512683A (xx)
ES (3) ES527118A0 (xx)
FI (1) FI77247C (xx)
GR (1) GR79017B (xx)
IL (2) IL70165A (xx)
NO (1) NO161916C (xx)
NZ (1) NZ206189A (xx)
PL (1) PL139713B1 (xx)
PT (1) PT77617B (xx)
SU (1) SU1209030A3 (xx)
YU (2) YU44867B (xx)

Also Published As

Publication number Publication date
ES8506040A1 (es) 1985-06-16
YU220383A (en) 1988-02-29
ES8505988A1 (es) 1985-06-16
KR870000867B1 (ko) 1987-04-30
NO161916B (no) 1989-07-03
BG44206A3 (en) 1988-10-14
KR840006806A (ko) 1984-12-03
IL70165A (en) 1987-12-20
ES527118A0 (es) 1985-06-16
DK512683D0 (da) 1983-11-09
YU44867B (en) 1991-04-30
IL70165A0 (en) 1984-02-29
YU43883B (en) 1989-12-31
ES534921A0 (es) 1985-06-16
NO834086L (no) 1984-05-11
ES8600269A1 (es) 1985-09-16
FI77247B (fi) 1988-10-31
AU2110583A (en) 1984-05-17
ES534920A0 (es) 1985-09-16
PT77617B (en) 1986-05-12
DD213924A5 (de) 1984-09-26
FI77247C (fi) 1989-02-10
PL139713B1 (en) 1987-02-28
CS827183A2 (en) 1989-04-14
DK512683A (da) 1984-05-11
CS266560B2 (en) 1990-01-12
IL81648A0 (en) 1987-09-16
NO161916C (no) 1989-10-11
FI834088A (fi) 1984-05-11
AU540399B2 (en) 1984-11-15
FI834088A0 (fi) 1983-11-08
GR79017B (xx) 1984-10-02
PT77617A (en) 1983-12-01
SU1209030A3 (ru) 1986-01-30
PL244460A1 (en) 1985-03-26
YU140985A (en) 1986-04-30

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