83325-67-1Relevant articles and documents
CONJUGATED SCHIFF'S BASES-14; CYCLOADDITION OF HETEROCUMULENES TO SOME 1-OXA-4-AZABUTADIENES
Moskal, Janusz,Moskal, Alexandra,Milart, Piotr
, p. 1787 - 1792 (1982)
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.