FI834091A - MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER - Google Patents
MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER Download PDFInfo
- Publication number
- FI834091A FI834091A FI834091A FI834091A FI834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A FI 834091 A FI834091 A FI 834091A
- Authority
- FI
- Finland
- Prior art keywords
- group
- alkyl
- groups
- hydrogen
- atom
- Prior art date
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- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
The invention relates to an intermediate product for production of new benzopyrans with the formula A, in which one of the groups R1 and R2 is hydrogen and the other is alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, alkylhydroxymethyl, nitro, cyano, chlorine, trifluoromethyl, alkylsulphinyl, alkylsulphonyl, alkoxysulphinyl, alkoxysulphonyl, alkylcarbonylamino, alkoxycarbonylamino or aminosulphinyl, aminosulphonyl or aminocarbonyl, with the amino group being if necessary substituted with one or two alkyl groups, or alkylsulphinylamino, alkylsulphonylamino, alkoxysulphinylamino or alkoxysulphonylamino, or ethylenyl, which in the terminal position is substituted with alkylcarbonyl, nitro or cyano, or -C(alkyl)NOH or -C(alkyl)NNH2, one of the groups R3 and R4 being hydrogen or alkyl and the other being alkyl or R3 and R4 forming a spiroalkyl group together with the carbon atom in which they are bound, R5 is hydrogen, an alkyl or an acyl, and n is 1 or 2, and the lactam group is in the trans position relative to the OR5 group. <IMAGE> The intermediate product according to the invention is a compound with the formula B, in which one of the groups R1' and R2' is hydrogen or a group or atom which can be transferred to hydrogen and the other is any of the substituents which are defined above for the groups R1 and R2, or is a group or atom which can be transferred thereto, R3, R4 and R5 have the meaning stated above, one of the groups A and B is CO and the other is (CH2)n+2, in which n has the meaning stated above, L is a starting group and the substituted amino group is in the trans position relative to the OR5 group. <IMAGE>
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8129064 | 1981-09-25 | ||
GB8129064 | 1981-09-25 | ||
GB8206400 | 1982-03-04 | ||
GB8206400 | 1982-03-04 | ||
GB8210490 | 1982-04-08 | ||
GB8210490 | 1982-04-08 | ||
FI823272A FI73675C (en) | 1981-09-25 | 1982-09-23 | FREQUENCY REQUIREMENT FOR PHARMACOLOGICAL ACTIVE BENZOPYRAN. |
FI823272 | 1982-09-23 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI834091A0 FI834091A0 (en) | 1983-11-08 |
FI834091A true FI834091A (en) | 1983-11-08 |
FI86061B FI86061B (en) | 1992-03-31 |
FI86061C FI86061C (en) | 1992-07-10 |
Family
ID=27444080
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI834092A FI834092A (en) | 1981-09-25 | 1983-11-08 | MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER |
FI834093A FI834093A0 (en) | 1981-09-25 | 1983-11-08 | MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER |
FI834091A FI86061C (en) | 1981-09-25 | 1983-11-08 | SOM MELLANPRODUKT ANVAENDBARA 3,4-DIHYDRO -4-AMINO-2H-BENZO / B / PYRAN-3-OL-DERIVAT. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI834092A FI834092A (en) | 1981-09-25 | 1983-11-08 | MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER |
FI834093A FI834093A0 (en) | 1981-09-25 | 1983-11-08 | MELLANPRODUKT FOER FRAMSTAELLNING AV NYA BENSOPYRANER |
Country Status (1)
Country | Link |
---|---|
FI (3) | FI834092A (en) |
-
1983
- 1983-11-08 FI FI834092A patent/FI834092A/en not_active Application Discontinuation
- 1983-11-08 FI FI834093A patent/FI834093A0/en not_active Application Discontinuation
- 1983-11-08 FI FI834091A patent/FI86061C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI86061C (en) | 1992-07-10 |
FI834091A0 (en) | 1983-11-08 |
FI834093A (en) | 1983-11-08 |
FI834092A0 (en) | 1983-11-08 |
FI86061B (en) | 1992-03-31 |
FI834092A (en) | 1983-11-08 |
FI834093A0 (en) | 1983-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: BEECHAM GROUP P.L.C.D |