ChemInform Abstract: Variable Regioselectivity in Reactions of N-Lithio-N-vinylaniline with Arenedicarboxylates and α,β-Unsaturated Esters.
Journal of The Chemical Society-perkin Transactions 1(2010)
摘要
Regioselectivity patterns for the reactions of N-lithio-N-vinylaniline with several arenedicarboxylates and esters of α,β-unsaturated acids are reported. N-Lithio-N-vinylaniline reacted at both of its ambident anionic sites, to give β-enamino ketones and amide derivatives. A bridgehead compound resulting from cycloadditions involving N-lithio-N-vinylaniline was also formed in the reactions with ethyl cinnamate and ethyl phenylpropiolate. The structures of all compounds formed were fully characterised by NMR techniques.
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关键词
arenedicarboxylates,variable regioselectivity,cheminform abstract,n-lithio-n-vinylaniline
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