Tetrahedron p. 1787 - 1792 (1982)
Update date:2022-08-05
Topics:
Moskal, Janusz
Moskal, Alexandra
Milart, Piotr
1-Oxa-4-azabutadienes proved to be prone to react with some heterocumulenes after 1,3-cycloaddition patterns yielding various 5,5-disubstituted derivatives of 1,3-diaryl-hydanotoins as it was shown by the chemical and spectroscopic analysis.Relatively high yields, mild reaction conditions and a very weak effect of solvent polarity on the reaction rate suggested a synchroneous mechanism involving 1,2-migration of a substituent.
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Doi:10.1007/BF02495549
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(1983)Doi:10.1016/j.tetlet.2011.04.103
(2011)
