Lipase-catalyzed site-selective deacetylation of sterically hindered naphthohydroquinone diacetate and its application to the synthesis of a heterocyclic natural product

Riichi Hashimoto, Ayaka Sakakura, Kengo Hanaya, Shuhei Higashibayashi, Takeshi Sugai

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Lipase-catalyzed site-selective deacetylation of 2,5-dimethylnaphthalene-l,4-diol diacetate was examined. With Candida antarctica lipase B, the suppressing effect of a methyl substituent at the peri-position of the a-naphthyl ester over that at the ortho-position was significant. This site-selectivity was in contrast to that of chemical hydrolysis reported to date. From the resulting monoacetate, mansonone F, a physiologically active heterocyclic orthoquinone, was synthesized in 38% yield in as few as three steps.

Original languageEnglish
Pages (from-to)625-632
Number of pages8
JournalHeterocycles
DOIs
Publication statusPublished - 2019 Jan 1

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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