Site selectivity in the addition of ketoximes to activated allenes and alkynes; N- versus O-alkylation

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Heaney, Frances ; Kelly, Bronwyn M. ; Bourke, Sharon ; Rooney, Oliver ; Cunningham, Desmond ; McArdle, Patrick (1999)

Reaction of ketoximes with methyl propiolate afforded geometrical isomers of the methyl 3-(hydroxyimino)propanoates 4 and of the O-vinyl oximes 5 as well as the 2-isoxazoline 6. With dimethyl penta-2,3-diendioate 8c reaction progressed via an O-alkylation to give the O-... View more
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