Synlett p. 100 - 104 (2002)
Update date:2022-08-05
Topics:
Dias
Fernandes
Zukerman-Schpector
The first examples of Diels-Alder cycloaddition reactions of 6-substituted 1-(p-nitrobenzoyl)-5,6-dihydro-2-pyridinones are described. This reaction benefits from the fact that the diene adopts an endo orientation trans to the axial substituent at C-6 due to A1,3 allylic type strain with the N-PNB protecting group.
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(2002)Doi:10.1016/S0040-4020(01)93918-3
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