Optically active aldiminato cobalt(II) complexes as efficient catalysts for enantioselective cyclopropanation of styrenes with diazoacetates

Tohru Yamada, Taketo Ikeno, Hiroyuki Sekino, Mitsuo Sato

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Abstract

The optically active cobalt(II) complex, MPAC, has proved to be efficient enantioselective catalyst for the cyclopropanation of styrenes with diazoacetates. The addition of a catalytic amount of N-methylimidazole remarkably accelerated the cyclopropanation reaction to improve both the chemical and optical yields of the product.

Original languageEnglish
Pages (from-to)719-720
Number of pages2
JournalChemistry Letters
Issue number8
Publication statusPublished - 1999

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ASJC Scopus subject areas

  • Chemistry(all)

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