Synthesis and Properties of Phospha[5]helicenes Bearing an Inner-Rim Phosphorus Center

Md Shafiqur Rahman, Naohiko Yoshikai

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

New phospha[5]helicene derivatives featuring angular fusion of phosphole and carbohelicene moieties have been synthesized using 7-hydroxybenzo[b]phosphole oxide as a key intermediate, which can be regioselectively prepared through one-pot multicomponent coupling. The structural behavior of the present phospha[5]helicene oxide, sulfide, and gold complex in the solid and solution states, along with DFT calculations, demonstrated close correlation between the P-centered chirality and the helical chirality as well as facile helicity inversion and equilibrium between the diastereomers in solution.

Original languageEnglish
Pages (from-to)3232-3236
Number of pages5
JournalOrganic letters
Volume21
Issue number9
DOIs
Publication statusPublished - 2019 May 3
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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