Details for Patent: 4,631,286
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Summary for Patent: 4,631,286
| Title: | 9-amino-1,2,3,4-tetrahydroacridin-1-ol and related compounds |
| Abstract: | There are disclosed compounds having the formula ##STR1## wherein X is hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, NHCOR.sub.2 wherein R.sub.2 is loweralkyl, or a group of the formula NR.sub.3 R.sub.4 wherein R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl; R and R.sub.1 are independently hydrogen, loweralkyl, phenylloweralkyl, phenylloweralkyl in which the phenyl group is substituted by one or more loweralkyl, loweralkoxy, halogen, hydroxy or trifluoromethyl, diphenylloweralkyl or diphenylloweralkyl in which one or both phenyl groups are substituted by one or more loweralkyl, loweralkoxy, halogen, hydroxy or trifluoromethyl; Y is C.dbd.O or CR.sub.5 OH wherein R.sub.5 is hydrogen or loweralkyl; Z is CH.sub.2 or C.dbd.CR.sub.6 R.sub.7 wherein R.sub.6 and R.sub.7 are independently hydrogen or loweralkyl; or Y and Z taken together is CR.sub.5 .dbd.CH wherein CR.sub.5 and CH correspond to Y and Z respectively; an optical antipode thereof, or a pharmaceutically acceptable acid addition salt thereof, which are useful for enhancing memory, methods for synthesizing them, and pharmaceutical compositions comprising an effective memory enhancing amount of such a compound. |
| Inventor(s): | Shutske; Gregory M. (Somerset, NJ), Pierrat; Frank A. (Somerset, NJ) |
| Assignee: | Hoechst-Roussel Pharmaceuticals Inc. (Somerville, NJ) |
| Application Number: | 06/664,731 |
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Patent Claim Types: see list of patent claims | Compound; Composition; Use; |
Drugs Protected by US Patent 4,631,286
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
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International Family Members for US Patent 4,631,286
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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| Argentina | 247394 | ⤷ Try a Trial | |||
| Austria | 63903 | ⤷ Try a Trial | |||
| Australia | 3823489 | ⤷ Try a Trial | |||
| Australia | 4903885 | ⤷ Try a Trial | |||
| Australia | 589141 | ⤷ Try a Trial | |||
| Australia | 615768 | ⤷ Try a Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
