Synthesis 2016; 48(22): 3931-3940
DOI: 10.1055/s-0035-1562780
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Tetracyclic Molecules Containing Medium-Sized Heterocycles: Scope Expansion of Cascade Nicholas and Pauson–Khand Methodology

Authors

  • Nozomi Akimura

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Ayaka Fujii

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Fuma Kamada

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Ryoki Nogiwa

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Syota Yamamoto

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Teppei Sato

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Syuji Ishikawa

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Tatsuya Okazaki

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
  • Kyosuke Kaneda*

    Hokkaido Pharmaceutical University School of Pharmacy, 7-15-4-1 Maeda, Teine, Sapporo, Hokkaido 006-8590, Japan   eMail: kaneda@hokuyakudai.ac.jp
Weitere Informationen

Publikationsverlauf

Received: 24. Mai 2016

Accepted after revision: 16. Juni 2016

Publikationsdatum:
29. Juli 2016 (online)


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Abstract

Unique tetracyclic molecules containing heteroatom-embedded, medium-sized rings were synthesized by employing cascade Nicholas and Pauson–Khand cyclization reactions. We successfully established a divergent synthetic route for quick access to unprecedented multi-ring systems via an alkyne cobalt complex, and an expanded substrate scope for this methodology was realized.

Supporting Information