FIELD: chemistry.
SUBSTANCE: invention concerns intermediates for the synthesis of halichondrins (for example, halichondrin A, B, C; homohalichondrin A, B, C; norhalichondrin A, B, C) and their analogues, as well as methods for preparing these intermediates. In particular, the present invention relates to methods and compounds useful for the synthesis of a compound with formula (H3-A).
EFFECT: compounds and methods applicable to synthesis of the compound (1) are also disclosed.
79 cl, 41 dwg
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