Certain benzo-(pyrano and thiopyrano)-pyridines, useful as CNS a

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

546 65, 546 80, 546 89, A61K 3138, A61K 31395, C07D49102, C07D47102

Patent

active

046043977

ABSTRACT:
Disclosed are the compounds of formula I ##STR1## wherein X represents oxygen or sulfur; ring A is unsubstituted or substituted by one to three identical or different substituents selected from hydroxy, hydroxy-lower alkyl, etherified hydroxy, etherified hydroxy-lower alkyl, acyloxy, acyloxy-lower alkyl, halogen, lower alkyl, trifluoromethyl, amino, mono- and di-lower alkylamino and acylamino; or ring A is substituted by one lower alkylenedioxy; R represents hydrogen, lower alkyl or aryl-lower alkyl; R.sub.1 represents hydrogen, lower alkyl, lower alkylthio-lower alkyl, amino, acylamino, (amino, mono- or di-lower alkylamino)-lower alkyl, carboxy, lower alkoxycarbonyl, carbamoyl or mono- or di-lower alkylcarbamoyl; R.sub.2 to R.sub.5 represent hydrogen or lower alkyl; the dehydro derivatives thereof with a double bond at the 1,2-position, or at the 1,10b-position in which case R.sub.5 is absent; or a pharmaceutically acceptable salt thereof; methods for their synthesis; pharmaceutical compositions thereof; and use thereof as psychactive agents for the treatment of central nervous system disorders.

REFERENCES:
patent: 3689497 (1972-09-01), Brown
patent: 3915996 (1975-10-01), Wright et al.
patent: 4025630 (1977-05-01), Dren et al.
patent: 4198511 (1980-04-01), Connor
patent: 4210758 (1980-07-01), Connor
patent: 4292316 (1981-09-01), Dren et al.
patent: 4385056 (1983-05-01), Loosen
patent: 4420480 (1983-12-01), Jones
patent: 4540691 (1985-09-01), Horn
J. Med. Chem. 25 925/(1982).
Abstract European Patent 99 303.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Certain benzo-(pyrano and thiopyrano)-pyridines, useful as CNS a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Certain benzo-(pyrano and thiopyrano)-pyridines, useful as CNS a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Certain benzo-(pyrano and thiopyrano)-pyridines, useful as CNS a will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-969340

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.