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Total syntheses of bellenamine and its isomers
The Journal of Antibiotics
|October 1, 1992
Abstract:
The total synthesis of bellenamine was achieved by a modified CURTIUS procedure starting with D-beta-lysine. Bis(N-benzyloxycarbonyl)-D-beta-lysylglycine was converted to tris(N-benzyloxycarbonyl)bellenamine which was catalytically hydrogenated to yield bellenamine. D-beta-Lysine was synthesized from D-ornithine by the ARNDT-EISTERT homologation sequence. Three isomers, L-beta-lysyl, D- and L-lysyl congeners synthesized by a similar method, showed no antibacterial activities.