Synthesis of novel chiral spiro bis(pyrazole) ligands

Shinobu Takizawa, Yuji Honda, Midori A. Arai, Takahiro Kato, Hiroaki Sasai

Research output: Contribution to journalArticle

13 Citations (Scopus)


The first synthesis of spiro bis(pyrazole) ligands, 2,2',4,4'-tetrahydro-6,6'-spirobi[5H-cycopentapyrazole] (1a) and 2,2'-dibenzyl-2,2',4,4'-tetrahydro-6,6'-spirobi[5H-cycopentapyrazole] (1b) was achieved. The application of spiro bis(pyrazole) ligand to asymmetric catalysis was also examined.

Original languageEnglish
Pages (from-to)2551-2556
Number of pages6
Issue number11
Publication statusPublished - 2003 Nov 1

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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  • Cite this

    Takizawa, S., Honda, Y., Arai, M. A., Kato, T., & Sasai, H. (2003). Synthesis of novel chiral spiro bis(pyrazole) ligands. Heterocycles, 60(11), 2551-2556.