CH544085A - Process for the preparation of bis- (benzopyran-carbonitriles) - Google Patents
Process for the preparation of bis- (benzopyran-carbonitriles)Info
- Publication number
- CH544085A CH544085A CH733073A CH733073A CH544085A CH 544085 A CH544085 A CH 544085A CH 733073 A CH733073 A CH 733073A CH 733073 A CH733073 A CH 733073A CH 544085 A CH544085 A CH 544085A
- Authority
- CH
- Switzerland
- Prior art keywords
- carbonitriles
- benzopyran
- bis
- preparation
- Prior art date
Links
Classifications
-
- 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
- C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Medicinal Preparation (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3082871A GB1356379A (en) | 1970-08-27 | 1970-08-27 | Tetrazole derivatives |
| GB3082871 | 1971-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH544085A true CH544085A (en) | 1973-12-28 |
Family
ID=26260624
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH732773A CH567016A5 (en) | 1970-08-27 | 1971-08-25 | |
| CH732673A CH567015A5 (en) | 1970-08-27 | 1971-08-25 | |
| CH1247871A CH544108A (en) | 1970-08-27 | 1971-08-25 | Process for the preparation of bis-tetrazoles |
| CH732973A CH567017A5 (en) | 1970-08-27 | 1971-08-25 | |
| CH733073A CH544085A (en) | 1970-08-27 | 1971-08-25 | Process for the preparation of bis- (benzopyran-carbonitriles) |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH732773A CH567016A5 (en) | 1970-08-27 | 1971-08-25 | |
| CH732673A CH567015A5 (en) | 1970-08-27 | 1971-08-25 | |
| CH1247871A CH544108A (en) | 1970-08-27 | 1971-08-25 | Process for the preparation of bis-tetrazoles |
| CH732973A CH567017A5 (en) | 1970-08-27 | 1971-08-25 |
Country Status (19)
| Country | Link |
|---|---|
| AR (1) | AR193042A1 (en) |
| AT (2) | AT322553B (en) |
| AU (1) | AU3280571A (en) |
| BE (1) | BE771818A (en) |
| BG (1) | BG19182A3 (en) |
| CH (5) | CH567016A5 (en) |
| CU (1) | CU33570A (en) |
| DD (1) | DD95008A5 (en) |
| DE (1) | DE2142556A1 (en) |
| ES (1) | ES394550A1 (en) |
| FR (1) | FR2103553B1 (en) |
| GB (1) | GB1356379A (en) |
| HU (1) | HU164233B (en) |
| IE (1) | IE35567B1 (en) |
| IL (1) | IL37591A (en) |
| LU (1) | LU63792A1 (en) |
| NL (1) | NL7111790A (en) |
| NO (1) | NO133449C (en) |
| OA (1) | OA03910A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1489749A (en) * | 1965-03-25 | 1967-07-28 | Fisons Pharmaceuticals Ltd | Process for the preparation of bis-chromonyl compounds and their derivatives |
| CA960223A (en) * | 1970-02-05 | 1974-12-31 | Mervyn E. Peel | Tetrazolyl chromones |
-
1970
- 1970-08-27 GB GB3082871A patent/GB1356379A/en not_active Expired
-
1971
- 1971-08-24 OA OA54344A patent/OA03910A/en unknown
- 1971-08-25 DE DE19712142556 patent/DE2142556A1/en active Pending
- 1971-08-25 CH CH732773A patent/CH567016A5/xx unknown
- 1971-08-25 BG BG019891A patent/BG19182A3/en unknown
- 1971-08-25 CH CH732673A patent/CH567015A5/xx not_active IP Right Cessation
- 1971-08-25 CH CH1247871A patent/CH544108A/en not_active IP Right Cessation
- 1971-08-25 CH CH732973A patent/CH567017A5/xx not_active IP Right Cessation
- 1971-08-25 CH CH733073A patent/CH544085A/en not_active IP Right Cessation
- 1971-08-25 HU HUFI492A patent/HU164233B/hu unknown
- 1971-08-26 LU LU63792D patent/LU63792A1/xx unknown
- 1971-08-26 AT AT857573*1A patent/AT322553B/en not_active IP Right Cessation
- 1971-08-26 IL IL37591A patent/IL37591A/en unknown
- 1971-08-26 AR AR237589A patent/AR193042A1/en active
- 1971-08-26 AU AU32805/71A patent/AU3280571A/en not_active Expired
- 1971-08-26 CU CU33570A patent/CU33570A/es unknown
- 1971-08-26 NL NL7111790A patent/NL7111790A/xx unknown
- 1971-08-26 ES ES394550A patent/ES394550A1/en not_active Expired
- 1971-08-26 IE IE1073/71A patent/IE35567B1/en unknown
- 1971-08-26 AT AT746471A patent/AT319943B/en not_active IP Right Cessation
- 1971-08-26 DD DD157355A patent/DD95008A5/xx unknown
- 1971-08-26 BE BE771818A patent/BE771818A/en unknown
- 1971-08-26 NO NO3184/71A patent/NO133449C/no unknown
- 1971-08-26 FR FR7130935A patent/FR2103553B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DD95008A5 (en) | 1973-01-12 |
| CH567015A5 (en) | 1975-09-30 |
| NL7111790A (en) | 1972-02-29 |
| CH567016A5 (en) | 1975-09-30 |
| AT322553B (en) | 1975-05-26 |
| FR2103553A1 (en) | 1972-04-14 |
| AR193042A1 (en) | 1973-03-30 |
| BG19182A3 (en) | 1975-04-30 |
| CH567017A5 (en) | 1975-09-30 |
| LU63792A1 (en) | 1972-04-04 |
| NO133449C (en) | 1976-05-05 |
| BE771818A (en) | 1972-02-28 |
| ES394550A1 (en) | 1975-03-16 |
| AU3280571A (en) | 1973-03-01 |
| AT319943B (en) | 1975-01-10 |
| CU33570A (en) | 1974-02-13 |
| IL37591A0 (en) | 1971-11-29 |
| IE35567B1 (en) | 1976-03-18 |
| CH544108A (en) | 1973-11-15 |
| IL37591A (en) | 1974-12-31 |
| IE35567L (en) | 1972-02-27 |
| OA03910A (en) | 1975-08-14 |
| HU164233B (en) | 1974-01-28 |
| GB1356379A (en) | 1974-06-12 |
| DE2142556A1 (en) | 1972-03-02 |
| NO133449B (en) | 1976-01-26 |
| FR2103553B1 (en) | 1975-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |