Journal of Organic Chemistry p. 4608 - 4611 (1980)
Update date:2022-08-05
Topics:
Ward, Frederick E.
Buckler, Robert T.
Phosgene, in the presence of 2,6-lutidine, reacts with alkyl esters of 3-amino-2-benzoylcrotonic acid to give as major products 1,3-oxazin-2-ones, formally derived from the reaction of 2 equiv of amino ester with 2 and 3 equiv of phosgene.Ethyl 3-amino-2-
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