Important building blocks, the 2-bromo-5-hydroxytryptophan-oxazole unit, the alpha-keto-beta-amino acid unit, and the side chain units, for the preparation of keramamide B were efficiently synthesized.
Important building blocks, the 2-bromo-5-hydroxytryptophan-oxazole unit, the alpha-keto-beta-amino acid unit, and the side chain units, for the preparation of keramamide B were efficiently synthesized.
Important building blocks, the 2-bromo-5-hydroxytryptophan-oxazole unit, the alpha-keto-beta-amino acid unit, and the side chain units, for the preparation of keramamide B were efficiently synthesized.