Thioureas as highly active catalysts for biomimetic bromocyclization of geranyl derivatives

Miyuki Terazaki, Kei Ichi Shiomoto, Haruki Mizoguchi, Akira Sakakura

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Thioureas bearing electron-deficient aryl groups show high catalytic activity in the biomimetic bromocyclization of geranyl derivatives. The reaction of geranyl derivatives with N-bromosuccinimide (NBS) proceeds rapidly in CH 2 Cl 2 to give the corresponding bromocyclization products in high yields as a ca. 1:1 mixture of endo- A nd exo-isomers. The reactivity of geranyl derivatives highly depends on the terminal substituent: Electron-donating substituents increase the reactivity, while electron-withdrawing substituents decrease the reactivity.

Original languageEnglish
Pages (from-to)2073-2076
Number of pages4
JournalOrganic Letters
Volume21
Issue number7
DOIs
Publication statusPublished - Apr 5 2019

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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