ES2009466A6 - Benzo-cyclohepta-pyridinylidene piperidine carboxylic ester prepn. - Google Patents
Benzo-cyclohepta-pyridinylidene piperidine carboxylic ester prepn.Info
- Publication number
- ES2009466A6 ES2009466A6 ES8803866A ES8803866A ES2009466A6 ES 2009466 A6 ES2009466 A6 ES 2009466A6 ES 8803866 A ES8803866 A ES 8803866A ES 8803866 A ES8803866 A ES 8803866A ES 2009466 A6 ES2009466 A6 ES 2009466A6
- Authority
- ES
- Spain
- Prior art keywords
- cyclohepta
- benzo
- pyridinylidene
- carboxylic ester
- piperidine carboxylic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
The ethyl estera of 4-(8-chloro 5,6-dihydro 11H benzo (5,6) cyclohepta (1,2-b) pyridin-11-ylideno) piperidine 1-carboxylic acid of formula 8II) for use as an anti-histamine H1 agent with rapid action and without appreciable activity on the central nervous system, is made from the cpd. of formula (I) by dehydration in strongly acid medium, pref. with a large excess of acid and at 25-150 deg C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8803866A ES2009466A6 (en) | 1988-12-21 | 1988-12-21 | Benzo-cyclohepta-pyridinylidene piperidine carboxylic ester prepn. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8803866A ES2009466A6 (en) | 1988-12-21 | 1988-12-21 | Benzo-cyclohepta-pyridinylidene piperidine carboxylic ester prepn. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2009466A6 true ES2009466A6 (en) | 1989-09-16 |
Family
ID=8259474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8803866A Expired ES2009466A6 (en) | 1988-12-21 | 1988-12-21 | Benzo-cyclohepta-pyridinylidene piperidine carboxylic ester prepn. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2009466A6 (en) |
-
1988
- 1988-12-21 ES ES8803866A patent/ES2009466A6/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SA6 | Expiration date (snapshot 920101) |
Free format text: 2008-12-21 |
|
GC1A | Exploitation certificate registered application without search report |
Effective date: 19980723 |
|
GD1A | Contractual licences |
Effective date: 19991123 |
|
FD1A | Patent lapsed |
Effective date: 20081222 |