Synthesis and Reactions of α-Ketoaldehyde Adducts of some Heterocyclic Ureas
Pyruvaldehyde reacts with heterocyclic ureas 4a-d giving dihydroxyimidazolidin-2-ones 5a-d.Phenyl glyoxal reacts with 4a giving an analogous adduct 5e.These 1,2-diols are smoothly dehydrated to hydantoins 9a-e which on mild reduction provide monohydroxyim
Hough, T. L.,Hough, I R.,Pannell, R. W.
p. 1125 - 1130
(2007/10/02)
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