4 резултати
SUMMARY OF THE INVENTION
According to one aspect of our invention, we provide compounds of the general formula ##STR1## wherein R represents a halogen atom or a hydroxy, lower alkoxy, lower alkenyloxy, lower alkynyloxy or aralkyloxy (preferably a phenyl(lower)alkyloxy, e.g. benzyloxy) group, or a
FIELD OF THE INVENTION
This invention relates to piperidine derivatives, to processes for their preparation and to pharmaceutical compositions comprising them.
In particular the invention relates to compounds which are selective antagonists of 5-hydroxytryptamine (5-HT) at 5-HT.sub.3
This invention relates generally to methods for reducing, treating, reversing or preventing drug-mediated respiratory depression, such as may be directly or indirectly caused by use of various bioactive compositions, including anaesthetics, barbiturates, analgesics, etc. The invention further
SUMMARY OF THE INVENTION
According to one aspect of our invention, we provide compounds of the general formula ##STR1## wherein R represents a lower alkoxy or lower alkenyloxy group; R.sup.1 and R.sup.2, which may be the same or different, each represent a hydrogen or halogen atom, or a