Abstract
Publisher Summary Diamines and polyamines occur in the plant and animal kingdoms as free bases (biogenic amines) as well as derivatives. The derivatives can be divided into several groups: One contains the di- or polyamine as part of a peptide or as part of an amino acid. Some antibiotics are known that contain a di- or polyamine. Examples are bleomycin and tallysomycin. This chapter discusses the alkaloidal derivatives of di- and polyamines. These include fatty acids (including acetic acid) and cinnamic acid conjugates as well as the simple, methylated compounds. In contrast to the polycyclic indole, isoquinoline, or terpene alkaloids, the di- and polyamine alkaloids seem to be of much simpler construction. This first impression is misleading. Some of the alkaloids contain phenolic hydroxyl groups in addition to the basic amino nitrogen, so they are very polar, strong bases. To isolate these materials from plants and to purify the compounds to some extent, procedures must be applied that are different from those used in “normal” alkaloid chemistry.
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