a Cornell Institute for Research in Chemical Ecology (CIRCE) Department of Chemistry Cornell University Ithaca, New York 14853-1301 U.S.A.
b Cambridge NeuroScience One Kendall Square, Building 700 Cambridge, Massachusetts 02139 U.S.A.
Abstract:
A new calcium antagonist, CNS 2103, is isolated from the venom of a fishing spider, Dolomedes okefinokensis. The structure of this compound is derived from spectroscopic data, including tandem mass spectrometry. A flexible, convergent synthesis of CNS 2103 is described.