Chemical study on hapalosin, a cyclic depsipeptide possessing multidrug resistance reversing activities: Synthesis, structure and biological activity

DOI: 10.1016/0040-4020(96)00951-9

Source and publish data:

Tetrahedron p. 14723 - 14734 (1996)

Update date:2022-08-04

Topics:

Authors:

Okuno, Toshiaki

Ohmori, Ken

Nishiyama, Shigeru

Yamamura, Shosuke

Nakamura, Kensuke

Houk Houk

Okamoto, Kazuya

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Article abstract of DOI:10.1016/0040-4020(96)00951-9

Hapalosin 1 possessing a multidrug resistance reversing activity, has been synthesized from the corresponding hydroxy acids A, C and γ-amino acid B. The stereochemistry of the natural product 1 and N-demethylhapalosin 11 is discussed by means of spectroscopic manner as well as molecular modeling studies. Biological evaluation of 1 and 11 indicated that a cis-amide function is a crucial factor for the MDR reversing activity.

Full text of DOI:10.1016/0040-4020(96)00951-9

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