Claisen rearrangements-xiv : Synthesis of the coumarin, benahorin and revision of the structure of marmelide |
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| Authors: | R. D. H. Murray Z. D. Jorge D. M. Boag |
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| Affiliation: | chemistry department, university of Glasgow, Glasgow G12 8QQ, Scotland |
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| Abstract: | The natural coumarin, benahorin 1 has been synthesised in five steps from xanthotoxol 4. Marmelide has been shown to be the 3,3-dimethylallyl ether of xanthotoxol (imperatorin 9) and not as believed the 1,1-dimethylallyl ether 7. |
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