Disubstituted polycyclic systems and preparative methods therefo

Details Disubstituted polycyclic systems and preparative methods therefo Disubstituted polycyclic systems and preparative methods therefo

1992-01-16

1993-12-21

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544405, 546 86, 546 87, C07D47104, C07D48704

Patent

active

052722694

ABSTRACT:
Polycyclic cognition enhancers having the general formula (1a), (1b) or (1c) are provided: ##STR1## wherein: R.sub.1 is a heterocyclic aromatic moiety such as a 4-pyridyl, 2-pyridyl, 4-pyrimidyl, or pyrazinyl group;

REFERENCES:
patent: 5173489 (1992-12-01), Earl et al.
Nickolson et al, Drug Development Res (1990) 19:285-300.

Affiliated with

Also associated with

Rating

Disubstituted polycyclic systems and preparative methods therefo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Disubstituted polycyclic systems and preparative methods therefo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disubstituted polycyclic systems and preparative methods therefo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-310182