Generated: December 16, 2017
DrugPatentWatch Database Preview
Details for Patent: 4,089,969
« Back to Dashboard
Summary for Patent: 4,089,969
|Title:|| 5-Aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acid derivatives and process for the production thereof|
|Abstract:||Novel 5-aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acid compounds represented by the formula ##STR1## and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein R is hydrogen or a lower alkyl group containing from 1 to 4 carbon atoms and R.sup.1 is hydrogen, a lower alkyl group having from 1 to 4 carbon atoms, a lower alkoxy group of 1 to 4 carbon atoms, chloro, fluoro or bromo, the R.sup.1 substitution being at the ortho, meta or para positions of the aroyl group and process for the production of such compounds; 5-p-toluoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acid is representative of the class. These compounds, as the racemic mixture or the (1)-isomer, are useful as anti-inflammatory, analgesic and antipyretic agents and as smooth muscle relaxants.|
|Inventor(s):|| Muchowski; Joseph M. (Mexico City, MX), Kluge; Arthur F. (Los Altos, CA) |
|Assignee:|| Syntex (U.S.A.) Inc. (Palo Alto, CA) |
Patent Claim Types:|
see list of patent claims
|Compound; Use; Composition; Delivery; |
No matches for this query
International Patent Family for Patent: 4,089,969
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws,
it is advisable to have patent counsel verify freedom to operate.
Serving leading biopharmaceutical companies globally:
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors.
Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data.
The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free.
thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user.
Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.