@article {7003, title = {NEAMPHINE, A SULFUR-CONTAINING AROMATIC HETEROCYCLE ISOLATED FROM THE MARINE SPONGE NEAMPHIUS-HUXLEYI}, journal = {Tetrahedron Letters}, volume = {32}, number = {24}, year = {1991}, note = {ISI Document Delivery No.: FN524Times Cited: 9Cited Reference Count: 17}, month = {Jun}, pages = {2707-2710}, type = {Article}, abstract = {The structure of neamphine (1), a cytotoxic metabolite of the marine sponge Neamphius huxleyi, has been solved by single crystal x-ray diffraction analysis. Neamphine (1) represents the first example, either from nature or synthesis, of the imidazo[4,5-e]-1,2-thiazine ring system.}, keywords = {ALKALOIDS, CYTOTOXIC, HETEROCYCLE, NITROGEN, SPONGE, SULFUR, TUNICATE}, isbn = {0040-4039}, url = {://A1991FN52400003}, author = {De Silva, E. D. and Racok, J. S. and Andersen, R. J. and Allen, T. M. and Brinen, L. S. and Clardy, J.} }