YU43883B - Process for the regeneration of purified 6-fluoro-4-chromanone - Google Patents
Process for the regeneration of purified 6-fluoro-4-chromanoneInfo
- Publication number
- YU43883B YU43883B YU1409/85A YU140985A YU43883B YU 43883 B YU43883 B YU 43883B YU 1409/85 A YU1409/85 A YU 1409/85A YU 140985 A YU140985 A YU 140985A YU 43883 B YU43883 B YU 43883B
- 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 YU140985A (en) | 1986-04-30 |
YU43883B true 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) | ES527118A0 (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 YU YU2203/83A patent/YU44867B/en unknown
- 1983-11-07 PT PT77617A patent/PT77617B/en not_active IP Right Cessation
- 1983-11-07 GR GR72904A patent/GR79017B/el unknown
- 1983-11-08 ES ES527118A patent/ES527118A0/en active Granted
- 1983-11-08 IL IL70165A patent/IL70165A/en unknown
- 1983-11-08 NZ NZ206189A patent/NZ206189A/en unknown
- 1983-11-08 DD DD83256455A patent/DD213924A5/en not_active IP Right Cessation
- 1983-11-08 FI FI834088A patent/FI77247C/en not_active IP Right Cessation
- 1983-11-08 PL PL1983244460A patent/PL139713B1/en unknown
- 1983-11-08 KR KR1019830005294A patent/KR870000867B1/en not_active IP Right Cessation
- 1983-11-09 SU SU833659625A patent/SU1209030A3/en active
- 1983-11-09 NO NO834086A patent/NO161916C/en unknown
- 1983-11-09 DK DK512683A patent/DK512683A/en not_active Application Discontinuation
- 1983-11-09 CS CS838271A patent/CS266560B2/en unknown
- 1983-11-09 BG BG062988A patent/BG44206A3/en unknown
- 1983-11-09 AU AU21105/83A patent/AU540399B2/en not_active Ceased
-
1984
- 1984-08-06 ES ES534921A patent/ES534921A0/en active Granted
- 1984-08-06 ES ES534920A patent/ES534920A0/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 |
---|---|
ES8506040A1 (en) | 1985-06-16 |
YU220383A (en) | 1988-02-29 |
ES8505988A1 (en) | 1985-06-16 |
KR870000867B1 (en) | 1987-04-30 |
NO161916B (en) | 1989-07-03 |
BG44206A3 (en) | 1988-10-14 |
KR840006806A (en) | 1984-12-03 |
IL70165A (en) | 1987-12-20 |
ES527118A0 (en) | 1985-06-16 |
DK512683D0 (en) | 1983-11-09 |
YU44867B (en) | 1991-04-30 |
IL70165A0 (en) | 1984-02-29 |
NZ206189A (en) | 1987-06-30 |
ES534921A0 (en) | 1985-06-16 |
NO834086L (en) | 1984-05-11 |
ES8600269A1 (en) | 1985-09-16 |
FI77247B (en) | 1988-10-31 |
AU2110583A (en) | 1984-05-17 |
ES534920A0 (en) | 1985-09-16 |
PT77617B (en) | 1986-05-12 |
DD213924A5 (en) | 1984-09-26 |
FI77247C (en) | 1989-02-10 |
PL139713B1 (en) | 1987-02-28 |
CS827183A2 (en) | 1989-04-14 |
DK512683A (en) | 1984-05-11 |
CS266560B2 (en) | 1990-01-12 |
IL81648A0 (en) | 1987-09-16 |
NO161916C (en) | 1989-10-11 |
FI834088A (en) | 1984-05-11 |
AU540399B2 (en) | 1984-11-15 |
FI834088A0 (en) | 1983-11-08 |
GR79017B (en) | 1984-10-02 |
PT77617A (en) | 1983-12-01 |
SU1209030A3 (en) | 1986-01-30 |
PL244460A1 (en) | 1985-03-26 |
YU140985A (en) | 1986-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3363170D1 (en) | Process for purifying crude polyether-polyols | |
HUT41812A (en) | Process for the purification of interferone | |
GB8301207D0 (en) | Process for purifying silicon | |
EP0140386A3 (en) | Method for the purification of lpf-ha | |
DE3372381D1 (en) | Process for purifying enzyme | |
DE3374126D1 (en) | Process for the purification of riboflavin | |
DE3165385D1 (en) | Process for the purification of p-aminophenol | |
GB2071127B (en) | Process for the purification of glucosaninoglucans | |
IL73355A (en) | Process for purifying fluorocarbons | |
DE3366677D1 (en) | A process for the purification of diisopropenylbenzene | |
PT76904B (en) | Process for sweetner solution purification | |
IL70220A0 (en) | Process for 1-oxa-beta-lactams | |
GB2118173B (en) | Process for the manufacture of nitrophenetoles | |
DE3369519D1 (en) | Method for the purification of propylene polymers | |
GB2125429B (en) | Tar removal process | |
DE3166798D1 (en) | Process for the purification of 2-pyrrolidone | |
PT77495A (en) | Process for the manufacture of dibenzazepine-carboxamides | |
DE3264555D1 (en) | Process for the purification of esters | |
YU140985A (en) | Process for the regeneration of purified 6-fluoro-4-chromanone | |
DE3477205D1 (en) | Process for the purification of mercury | |
MY8500740A (en) | Purification process | |
DE3467174D1 (en) | Process for the purification of acetylene polymers | |
YU183883A (en) | Process for fat-separation | |
PT78467A (en) | Process for the purification of alkylated anthraquinones | |
YU314981A (en) | Continuous process for the regeneration of acetointriles |