The compounds of formula (I) ##STR00001## are useful in the treatment of
faintness attacks, hypokinesia, cranial disorders, neurodegenerative
disorders, depression, anxiety, panic, neuropathic pain,
neuropathological disorders and sleep disorders. Processes for the
preparation of the final products and intermediates useful in the process
are included. Pharmaceutical compositions containing one or more of the
compounds are also included.