Synthesis of methyl pyropheophorbide-d derivatives possessing the 3-acyl groups and their electronic absorption spectra

DOI Web Site Web Site 被引用文献8件 参考文献33件

書誌事項

公開日
2016-06
資源種別
journal article
権利情報
  • https://www.elsevier.com/tdm/userlicense/1.0/
DOI
  • 10.1016/j.tet.2016.04.074
公開者
Elsevier BV

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説明

Abstract Methyl 3-acyl-pyropheophorbides-a were prepared by modification of naturally occurring chlorophyll-a through Grignard or Barbier reactions of the 3-formyl group and successive Ley–Griffith or Dess–Martin oxidations of the resulting secondary alcohols. The semi-synthetic 3-acyl-chlorins gave intense visible bands in dichloromethane and the absorption spectra were dependent on the 31-substituents. The larger π-conjugation of the 3-acyl group with the chlorin moiety shifted the visible absorption maxima to longer wavelengths.

収録刊行物

  • Tetrahedron

    Tetrahedron 72 (24), 3477-3489, 2016-06

    Elsevier BV

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