The chemical and microbiological synthesis of 14-hydroxy-gibberellins
Gibberellic acid has been transformed into 14B-hydroxy-gibberellin A7 methyl ester via the rearrangement of an epoxy-beyergibberellin intermediate using a titanium-amide complex. The diterpene ent-beyer-15-en-19-ol has been transformed by chemical methods into ent-14a,19-dihydroxy-kaur-16-ene. The biotransformation of this compound with the fungus Gibberella fujokuroi gave 14B-hydroxy-gibberellin A7, ent 7a,14a,19-trihydroxy-kaur-16-ene and ent-6a,7a,14a-trihydroxy-kaur-16-en-oic acid. A minor gibberellin 14B-hydroxy-GA14 was identified by GC-MS.
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| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | artículo biblioteca |
| Language: | English |
| Published: |
Elsevier
1992
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| Online Access: | http://hdl.handle.net/10261/21871 http://dx.doi.org/10.13039/501100007273 |
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