YU140985A - Process for the regeneration of purified 6-fluoro-4-chromanone - Google Patents
Process for the regeneration of purified 6-fluoro-4-chromanoneInfo
- 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
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)
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 (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) |
-
1983
- 1983-11-07 PT PT77617A patent/PT77617B/en not_active IP Right Cessation
- 1983-11-07 YU YU2203/83A patent/YU44867B/en unknown
- 1983-11-07 GR GR72904A patent/GR79017B/el unknown
- 1983-11-08 KR KR1019830005294A patent/KR870000867B1/en not_active IP Right Cessation
- 1983-11-08 DD DD83256455A patent/DD213924A5/en not_active IP Right Cessation
- 1983-11-08 ES ES527118A patent/ES8506040A1/en not_active Expired
- 1983-11-08 FI FI834088A patent/FI77247C/en not_active IP Right Cessation
- 1983-11-08 NZ NZ206189A patent/NZ206189A/en unknown
- 1983-11-08 IL IL70165A patent/IL70165A/en unknown
- 1983-11-08 PL PL1983244460A patent/PL139713B1/en unknown
- 1983-11-09 NO NO834086A patent/NO161916C/en unknown
- 1983-11-09 BG BG8362988A patent/BG44206A3/en unknown
- 1983-11-09 CS CS838271A patent/CS266560B2/en unknown
- 1983-11-09 AU AU21105/83A patent/AU540399B2/en not_active Ceased
- 1983-11-09 SU SU833659625A patent/SU1209030A3/en active
- 1983-11-09 DK DK512683A patent/DK512683A/en not_active Application Discontinuation
-
1984
- 1984-08-06 ES ES534920A patent/ES534920A0/en active Granted
- 1984-08-06 ES ES534921A patent/ES534921A0/en active Granted
-
1985
- 1985-09-09 YU YU1409/85A patent/YU43883B/en unknown
-
1987
- 1987-02-23 IL IL81648A patent/IL81648A0/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CS827183A2 (en) | 1989-04-14 |
NZ206189A (en) | 1987-06-30 |
NO161916B (en) | 1989-07-03 |
DD213924A5 (en) | 1984-09-26 |
AU540399B2 (en) | 1984-11-15 |
KR840006806A (en) | 1984-12-03 |
IL70165A (en) | 1987-12-20 |
IL81648A0 (en) | 1987-09-16 |
PT77617B (en) | 1986-05-12 |
ES8505988A1 (en) | 1985-06-16 |
KR870000867B1 (en) | 1987-04-30 |
BG44206A3 (en) | 1988-10-14 |
CS266560B2 (en) | 1990-01-12 |
ES8600269A1 (en) | 1985-09-16 |
ES527118A0 (en) | 1985-06-16 |
AU2110583A (en) | 1984-05-17 |
NO834086L (en) | 1984-05-11 |
PL244460A1 (en) | 1985-03-26 |
FI834088A (en) | 1984-05-11 |
ES534920A0 (en) | 1985-09-16 |
SU1209030A3 (en) | 1986-01-30 |
FI834088A0 (en) | 1983-11-08 |
YU43883B (en) | 1989-12-31 |
IL70165A0 (en) | 1984-02-29 |
PL139713B1 (en) | 1987-02-28 |
YU220383A (en) | 1988-02-29 |
PT77617A (en) | 1983-12-01 |
FI77247B (en) | 1988-10-31 |
NO161916C (en) | 1989-10-11 |
DK512683D0 (en) | 1983-11-09 |
ES534921A0 (en) | 1985-06-16 |
ES8506040A1 (en) | 1985-06-16 |
YU44867B (en) | 1991-04-30 |
FI77247C (en) | 1989-02-10 |
DK512683A (en) | 1984-05-11 |
GR79017B (en) | 1984-10-02 |
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