A simple one-pot preparation of (Z)-cyclopropanes from γ,δ-ketoalkenes using KOH/DMSO intramolecular alkylation conditions

DOI: 10.1016/S0040-4039(00)60138-7

Source and publish data:

Tetrahedron Letters p. 7405 - 7408 (1993)

Update date:2022-08-05

Topics:

Authors:

Dechoux, Luc

Ebel, Maurice

Jung, Louis

Stambach, Jean Francois

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Article abstract of DOI:10.1016/S0040-4039(00)60138-7

Sequential treatment of λ,δ-ketoalkenes with aqueous NBS in DMSO and KOH as solid provides (Z)-cyclopropanes in good overall yields with a diastereoselective excess>;99%.

Full text of DOI:10.1016/S0040-4039(00)60138-7

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