43 インドロカルバゾール(+)-K252aの合成研究(口頭発表の部)

概要

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The regioselective synthesis of (+)-K252a was carried out by developing an efficient indolocarbazole synthesis for the preparation of 21. The total synthesis requires 23 steps from commercially available materials with an overall yield of 2.3% from indole-3-acetic acid. During synthetic studies on the regioselective synthesis of (+)-K252a, the regioselective synthesis of the N-protected K252a-aglycon moiety 8 was also achieved by employing the novel tin-mediated indole synthesis recently developed in our laboratories.
天然有機化合物討論会の論文
1998-08-31