Reaction of carbanions generated from arylmethylphosphonates with cyclic enones. Regio- and stereoselectivity of addiction

alpha-Lithiated benzylphosphonate esters, XC6H4CH(Li)PO3Et2, add regioselectively to cyclohex-2-enone at the carbonyl group; higher reaction temperatures lead to the reversal to the starting materials, and not to the 1,4-addition.

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Veröffentlicht in:Canadian journal of chemistry 1998-10, Vol.76 (10), p.1344
Hauptverfasser: Modro, Agnes M, Modro, Tom A, Mphahlele, Malose J, Perlikowska, Wieslawa
Format: Artikel
Sprache:eng
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Zusammenfassung:alpha-Lithiated benzylphosphonate esters, XC6H4CH(Li)PO3Et2, add regioselectively to cyclohex-2-enone at the carbonyl group; higher reaction temperatures lead to the reversal to the starting materials, and not to the 1,4-addition.
ISSN:0008-4042
1480-3291