抄録
The structures of two gibberellin-like substances isolated from the immature seeds of Prunus persica, tentatively named PG-I and PG-II, were elucidated. PG-I was an ammonium salt of a novel gibberellin, ent-3α, 10, 12β, 13, 15α-pentahydroxy-20-norgibberella-1, 16-diene-7, 19-dioic-19, 10-lactone (1), to which gibberellin number A32 was allocated. PG-II was shown to be gibberellin A32 acetonide (7), and concluded to be an artifact produced from gibberellin A32 in the isolation process.
