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The dimeric pyrrole imidazole natural products are a growing class of alkaloids with exotic connectivity, unique topologies, high nitrogen content, and exciting bioactivities. This full account traces the evolution of a strategy that culminated in the first total syntheses of several members of this family, including sceptrin, ageliferin, nagelamide E,(More)
Multifunctional transmembrane-building blocks with recognition sites for adrenaline on one end and the reaction partners for an SN2 reaction on the opposite end have been embedded in DPPC-liposomes. These doped vesicles can be quantitatively reduced at their disulfide head groups by externally added reducing agents; their composition and chemical processes(More)
We have investigated the effect of complexation of different phosphorus ligands on the stability, solid state structure, and spectroscopic properties (NMR, IR, UV-vis) of a 5,15-diphenyl-substituted ruthenium porphyrin, (MeOH)Ru(II)(CO)(DPP) 2 [DPP = 5,15-bis(3',5'-di-tert-butyl)phenyl-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin]. The ligands used(More)