Tetrahedron Letters p. 4973 - 4976 (1996)
Update date:2022-07-29
Topics:
Takaoka, Kiyo
Aoyama, Toyohiko
Shioiri, Takayuki
Trimethylsilylketene reacts with acyl isocyanates to give 4- trimethylsiloxy-1,3-oxazin-6, ones which smoothly undergo the Diels-Alder reaction with dimethyl acetylenedicarboxylate and methyl propiolate to furnish 2-pyridones.
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