Azomethine ylide generation via the dipole cascade
A series of N-acyl 2-diazo-3-oxobutanoates, when treated with a catalytic quantity of a rhodium(II) carboxylate, were found to afford substituted pyrroles derived from an azomethine ylide intermediate. The initial reaction involves generation of the expec
Padwa, Albert,Dean, Dennis C.,Hertzog, Donald L.,Nadler, William R.,Zhi, Lin
p. 7565 - 7580
(2007/10/02)
GENERATION, CYCLOADDITIONS, AND TAUTOMERISM OF N-ACYL MUNCHNONES
N-acyl munchnones were generated for the first time by a novel acylation/desilylation reaction of 5-siloxyoxazoles.These munchnones partially equilibrated through ring-chain valence tautomerism and afforded two cycloadducts with DMAD.
Wilde, Richard G.
p. 2027 - 2030
(2007/10/02)
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