| Autor: |
Wen-jie Lu, Xu Pei, Takuya Murai, Takahiro Sasamori, Norihiro Tokitoh, Takeo Kawabata, Takumi Furuta |
| Předmět: |
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| Zdroj: |
Synlett; 2017, Vol. 28 Issue 6, p679-683, 5p |
| Abstrakt: |
A dirhodium(II) carboxylate catalyst bearing axially chiral amino acid derivatives is prepared. X-ray crystal structure analysis reveals that four of the bridging ligands are aligned in a C2-symmetry-like conformation. This catalyst is effective in the asymmetric intramolecular C-H insertion of α-aryl-α-diazoacetates to α-aryl-β-substituted γ-lactones with a reasonable level of diastereo- and enantioselectivity, especially in the reaction of phenyl- and β-naphthyl-substituted substrates. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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