Smithkline Beecham Corporation

Mark R Shipton

Rodney C Young

Roderick Alan Porter

John Kitteringham

Mythily Vimal

Gary Thomas Borrett

A (+) or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate, or hydtrate thereof, processes for preparing said compounds and pharmaceutical compostions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.

Enantiomer of carbazole derivative as 5-HT1-like agonists

A (+) or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists. ##STR1##

Process for preparing enantiomers of carbazole derivatives as 5-HT.sub.1

##STR1## A (+) or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.

Enantiomers of carbazole derivatives as 5-HT.sub. 1-like agonists

Process for preparing an enantiomer of a carbazole derivative

Process of preparing enantiomers of carbazole derivatives

A (+)or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.

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Bishop's Stortford, United Kingdom

Mark R Shipton