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A tetracyanoethylene (TCNE) bridged coordination polymer, [Mn(cyclen)(μ 2 -TCNE)]·TCNE (1), (cyclen=1,4,7,10-tetraazacyclododecane, TCNE=tetracyanoethylene), has been synthesized by combining [Mn II (cyclen)] 2+ and the potassium salt of TCNE radical anion, K[TCNE]. The compound crystallizes in two polymorphs. Both structures feature formal TCNE radical anion ligands in an...
A crude extract of a marine sponge showed initial inhibitory bioactivities in a yeast assay for inhibitors of methionine aminopeptidase-2 (Met AP-2). Bioassay-directed fractionation indicated that the activity was concentrated in the CH 2 Cl 2 -soluble fraction, and chromatography on silica gel led to the isolation of the two new bioactive alkaloids N-methyl-epi-manzamine D 1 and epi-manzamine...
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