Asymmetric Cycloaddition of Ketene with Aldehydes catalysed by Chiral Bissulfonamide-Trialkylaluminium Complexes

DOI: 10.1039/c39940002281

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 2281 - 2282 (1994)

Update date:2022-08-02

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Authors:

Tamai, Yasufumi

Yoshiwara, Hideki

Someya, Masahiro

Fukumoto, Jun

Miyano, Sotaro

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Article abstract of DOI:10.1039/c39940002281

Asymmetric <2 + 2> cycloaddition of ketene with the aldehydes 1a-g, catalysed by 10 molpercent of C₂-symmetric bissulfonamide 2a-c-R3Al complexes afforded optically active 4-substituted oxetan-2-ones 3a-g in up to 74percent enantiomeric excess.

Full text of DOI:10.1039/c39940002281

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