Synthèse des pseudocyphellarines A et B,deux depsides du lichen Pseudocyphellaria endochrysea |
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Authors: | Csar Pulgarin Jan Gunzinger Raffaele Tabacchi |
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Institution: | César Pulgarin,Jan Gunzinger,Raffaele Tabacchi |
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Abstract: | Synthesis of Pseudocyphellarins A and B, Two Depsides from the Lichen Pseudocyphellaria endochrysea The total synthesis of the depsides pseudocyphellarin A (= 3-hydroxy-4-methoxycarbonyl-2,5,6-trimethyl-phenyl 3-formyl-2,4-dihydroxy-5,6-dimethylbenzoate; 11 ) and pseudocyphellarin B (3-hydroxy-4-methoxycarbonyl-2,5,6-trimethylphenyl 2,4-dihydroxy-3-hydroxymethyl-5,6-dimethyl benzoate; 12 ) is described. |
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