EP0034567B1 — A method for the total synthesis of cyclosporins and novel cyclosporins
Assigned to Novartis AG · Expires 1984-11-07 · 42y expired
What this patent protects
A method for the total synthesis of cyclosporins, in particular Cyclosporin A, cyclosporins produced in accordance with the method of the invention and novel intermediates, in particular novel [1S, 2R, 3R]- and [1R, 2S, 3S]-1-nitrilo-1-carbonyl-3-methyl-2-oxy-heptanes and -hept-5…
USPTO Abstract
A method for the total synthesis of cyclosporins, in particular Cyclosporin A, cyclosporins produced in accordance with the method of the invention and novel intermediates, in particular novel [1S, 2R, 3R]- and [1R, 2S, 3S]-1-nitrilo-1-carbonyl-3-methyl-2-oxy-heptanes and -hept-5-enes, employed in the method of the invention.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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