This invention relates to ergot peptide alkaloids.
The present invention provides ergot 5'S-(2R-butyl) peptide alkaloids, hereinafter referred to as compounds of the invention, and their acid addition salts.
The ergot 5'S-(2R-butyl) compounds of the invention are hitherto totally unknown epimers of
BACKGROUND OF THE INVENTION
The present invention relates to (4-arylsulfonylamino)-tetrahydropyran-4-carboxylic acid hydroxamide derivatives, and to pharmaceutical compositions and methods of treatment.
The compounds of the present invention are inhibitors of zinc metalloendopeptidases, especially