ZA716039B - Substituted benzopyrans and their preparation - Google Patents
Substituted benzopyrans and their preparationInfo
- Publication number
- ZA716039B ZA716039B ZA716039A ZA716039A ZA716039B ZA 716039 B ZA716039 B ZA 716039B ZA 716039 A ZA716039 A ZA 716039A ZA 716039 A ZA716039 A ZA 716039A ZA 716039 B ZA716039 B ZA 716039B
- Authority
- ZA
- South Africa
- Prior art keywords
- preparation
- substituted benzopyrans
- benzopyrans
- substituted
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7221770A | 1970-09-14 | 1970-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA716039B true ZA716039B (en) | 1972-07-26 |
Family
ID=22106286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA716039A ZA716039B (en) | 1970-09-14 | 1971-09-09 | Substituted benzopyrans and their preparation |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT308108B (en) |
| BE (1) | BE772492A (en) |
| CA (1) | CA965421A (en) |
| CH (1) | CH559209A5 (en) |
| DE (1) | DE2145320A1 (en) |
| DK (1) | DK135994B (en) |
| ES (1) | ES394980A1 (en) |
| FR (1) | FR2106490B1 (en) |
| GB (1) | GB1360009A (en) |
| IE (1) | IE35636B1 (en) |
| NL (1) | NL7112521A (en) |
| NO (1) | NO134743C (en) |
| SE (1) | SE372943B (en) |
| ZA (1) | ZA716039B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960880A (en) * | 1974-03-26 | 1976-06-01 | Beecham Group Limited | Tetrahydropyrid-4-yl-chroman-5-ol derivatives |
| JPS4995978A (en) * | 1973-01-24 | 1974-09-11 | ||
| GB1417745A (en) * | 1973-07-07 | 1975-12-17 | Beecham Group Ltd | Chromene compounds |
-
1971
- 1971-09-09 ZA ZA716039A patent/ZA716039B/en unknown
- 1971-09-09 GB GB4206671A patent/GB1360009A/en not_active Expired
- 1971-09-10 DK DK446771AA patent/DK135994B/en unknown
- 1971-09-10 BE BE772492A patent/BE772492A/en unknown
- 1971-09-10 FR FR7132675A patent/FR2106490B1/fr not_active Expired
- 1971-09-10 CH CH1332671A patent/CH559209A5/xx not_active IP Right Cessation
- 1971-09-10 NO NO3374/71A patent/NO134743C/no unknown
- 1971-09-10 DE DE19712145320 patent/DE2145320A1/en active Pending
- 1971-09-10 NL NL7112521A patent/NL7112521A/xx not_active Application Discontinuation
- 1971-09-10 IE IE1154/71A patent/IE35636B1/en unknown
- 1971-09-10 CA CA122,575A patent/CA965421A/en not_active Expired
- 1971-09-10 ES ES394980A patent/ES394980A1/en not_active Expired
- 1971-09-10 AT AT787271A patent/AT308108B/en not_active IP Right Cessation
- 1971-09-10 SE SE7111539A patent/SE372943B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE772492A (en) | 1972-03-10 |
| DK135994B (en) | 1977-07-25 |
| AT308108B (en) | 1973-06-25 |
| ES394980A1 (en) | 1974-12-01 |
| NO134743B (en) | 1976-08-30 |
| DE2145320A1 (en) | 1972-03-16 |
| IE35636L (en) | 1972-03-14 |
| SE372943B (en) | 1975-01-20 |
| CH559209A5 (en) | 1975-02-28 |
| AU3336571A (en) | 1973-03-15 |
| IE35636B1 (en) | 1976-04-14 |
| CA965421A (en) | 1975-04-01 |
| DK135994C (en) | 1977-12-27 |
| NO134743C (en) | 1976-12-08 |
| NL7112521A (en) | 1972-03-16 |
| FR2106490A1 (en) | 1972-05-05 |
| FR2106490B1 (en) | 1975-04-18 |
| GB1360009A (en) | 1974-07-17 |
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