作者:Emmanuel Roulland、Claude Monneret、Jean-Claude Florent、Caroline Bennejean、Pierre Renard、Stéphane Léonce
DOI:10.1021/jo010481k
日期:2002.6.1
An enantioselective synthesis of new 12-amino alkylidenecyclopentenone prostaglandins is reported. The key step of the synthesis involved a [3.3] sigmatropic rearrangement of an asymmetric allylic cyanate to elaborate an asymmetric 5-amino-1,6-diene which was further transformed into cyclopentenone by successive ring-closing metathesis reaction catalyzed by the Grubbs reagent and one-pot oxidation. A
据报道,新的12-氨基亚烷基环戊烯酮前列腺素的对映选择性合成。合成的关键步骤涉及不对称的烯丙基氰酸酯的[3.3]σ重排以形成不对称的5-氨基-1,6-二烯,通过Grubbs试剂催化的连续开环复分解反应将其进一步转化为环戊烯酮。一锅氧化。在5-碘-1,5-二烯上进行钯催化的交叉偶联反应,可以合成具有可变Rw侧链的类前列腺素。这些新化合物具有很高的细胞毒性活性。