(--)- huperzine A processes and related compositions and methods of treatment

摘要

The invention provides (1) processes for making substantially-pure (-) huperzine A and substantially-pure (-) huperzine A derivatives; (2) compositions useful in making substantially-pure (-) huperzine A and substantially-pure (-) huperzine A derivatives; and (3) methods of treating or preventing neurological disorders using substantially-pure (-) huperzine A and substantially-pure (-) huperzine A derivatives.