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Synthesis of gibberellin A3 heptaacetylcellobiosyl ester: Synthese von Gibberellin A3-heptaacetylcellobiosylester

✍ Scribed by Willibald Schliemann

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
115 KB
Volume
324
Category
Article
ISSN
0365-6233

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πŸ“œ SIMILAR VOLUMES

Partial synthesis of tritium-labelled gi
Partial synthesis of tritium-labelled gibberellin-A3
✍ M. Lischewski; G. Adam; H.-W. Liebisch; U. Pleiß πŸ“‚ Article πŸ“… 1982 πŸ› John Wiley and Sons 🌐 French βš– 370 KB

The epimeric gibberellin-A 7-aldehydes 1 and 2 were silylated, enolised with KH and 3labelled with -3 H20 to give after desilylation the tritium-labelled epimeric gibberellin-A ?-aldehydes 2 and 2. Subsequent acetylation, oxidation and deacetylation afforded [ 6-3H] gibberellin-A3 (6) and [ 6-3H]6-e

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of Sciences of the GDR, DDR-8051 Dresden, German Democratic Republic s u m y The pbytohomone gibberellin-A was tritium-labell d by a chemical route. The specific aativity o f the [ 6 d -3 H ]gibberellin-,; obtained was 22.5 Ci/nmol.

Preparation of [15-3h] gibberellin-A3
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✍ Manfred Lischewski; G. Adam πŸ“‚ Article πŸ“… 1982 πŸ› John Wiley and Sons 🌐 French βš– 334 KB

The cyclobutane compounds 2, 2, 4 or 5, which represent in position45 functionalized gibberellin derivatives, reacted with ' H 2 0 under mild alkaline conditions i n a retroaldol-like cleavage to give diacetyl[l 5-3H] gibberellin-A 7-aldehyde (6) and the isomeric compound 2. diacetyl-GA 7-aldehyde (