Preparation of 2- and 3-substituted gibberellins A9 and A4 for bioassay |
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| Authors: | Michael H. Beale Jake MacMillan |
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| Affiliation: | School of Chemistry, The University, Bristol, BS8 ITS, U.K. |
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| Abstract: | To test the effects of preventing enzymatic 2β- and 3β-hydroxylation on the biological activities of gibberellins, the preparation of the following compounds is described: 2β-methyl- and 2,2-dimethyl-gibberellins A4 and A9; 2α-fluoro-, 2β-fluoro- and 2β-methoxy-gibberellin A9; and 3β-chloro-, 3β-fluoro-, 3β-methoxy- and 3-methylene A9. |
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| Keywords: | Partial synthesis 2α-,2β- and 3β-derivatives |
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