Stereoselective Alkylation of the Vinylketene Silyl N,O-Acetal and Its Application to the Synthesis of Mycocerosic Acid

Tatsuya Nakamura, Kei Kubota, Takanori Ieki, Seijiro Hosokawa*

*この研究の対応する著者

研究成果: Article査読

14 被引用数 (Scopus)

抄録

Stereoselective alkylation of the vinylketene silyl N,O-acetal possessing a chiral auxiliary has been achieved by using activated alkyl halides including allyl iodides, benzyl iodides, and propargyl iodide with Ag(I) ion in the presence of BF3·OEt2. The reaction proceeded to give reduced polyketides in high stereoselectivity. The synthesis of mycocerosic acid, a component of the cell envelope of Mycobacterium tuberculosis, has been accomplished by this methodology. During the synthetic studies, 2-methylbenzimidazole was found to be a bulky proton source which worked in the presence of liquid ammonia.

本文言語English
ページ(範囲)132-135
ページ数4
ジャーナルOrganic Letters
18
1
DOI
出版ステータスPublished - 2016 1 4

ASJC Scopus subject areas

  • 生化学
  • 物理化学および理論化学
  • 有機化学

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