The microbiological transformation of some trachylobane diterpenoids by Gibberella fujikuroi
作者:Carmen E. Diaz、Braulio M. Fraga、Antonio G. Gonzalez、Pedro Gonzalez、James R. Hanson、Melchor G. Hernandez
DOI:10.1016/0031-9422(84)83020-4
日期:1984.1
Abstract The microbiological transformation of ent -trachylobane, ent -7α-hydroxytrachylobane and ent -19-hydroxytrachylobane into trachylobagibberellins A 7 , A 9 , A 13 , A 25 , A 40 and A 47 by Gibberella fujikuroi is described. Whereas 7β-hydroxy- and 7β,18-dihydroxytrachylobanolides were obtained from ent -trachylobane and ent -trachyloban- 19-ol, the presence of a 7β-hydroxyl group directed metabolism
摘要 描述了 ent - trachylobane、ent -7α-hydroxytrachylobane 和ent -19-hydroxytrachylobane 向 trachylobagibberellins A 7 、A 9 、A 13 、A 25 、A 40 和 A 47 的微生物转化。而 7β-羟基-和 7β,18-二羟基粗纤维内酯是从 ent-trachylobane 和 ent-trachyloban-19-ol 中获得的,7β-羟基的存在将代谢完全导向赤霉素途径。ent -7α,18-dihydroxytrachylobane 中的 18-羟基抑制 C-6 处的氧化,提供 ent -7α,18,19-trihydroxytrachylobane 作为主要代谢物。