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Asymmetric allylation of aldehydes catalyzed by substoichiometric amounts of chiral phosphoramides

โœ Scribed by Katsuhiko Iseki; Yoshichika Kuroki; Mie Takahashi; Yoshiro Kobayashi


Book ID
103409469
Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
137 KB
Volume
37
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


Asymmetric allylation of aromatic aldehy
โœ Katsuhiko Iseki; Yoshichika Kuroki; Mie Takahashi; Satoshi Kishimoto; Yoshiro Ko ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 870 KB

Chiral phosphoramides prepared from (S)-proline were used to catalyze the allylation and crotylation of aromatic aldehydes with allylic trichlorosilanes in good enantioseleetive yields. Phosphoramides 4d and 4m gave chiral homoallylic alcohols and their enantiomers, respectively, with similar levels

Asymmetric allylation of aldehydes with
โœ Antonio Massa; Andrei V. Malkov; Pavel Koฤovskรฝ; Arrigo Scettri ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 68 KB

Allylation of aldehydes with allyltrichlorosilane in the presence of sulfoxides is reported. The use of excess of (R)-methyl-p-tolylsulfoxide resulted in the formation of the corresponding homoallylic alcohols in good yields and moderate enantiomeric excesses.