Chemistry of Heterocyclic Compounds p. 691 - 693 (1993)
Update date:2022-08-29
Topics:
Suslov, A. N.
Pozharskii, A. F.
Borovlev, I. V.
Treatment of 1-R-2 chloroperimidines with potassium or sodium cyanides in DMSO solution leads to facile substitution of the chlorine atom by the CN group and formation of previously unknown 1-R-2-cyanoperimidines.The latter upon heating in polyphosphoric acid are converted to 1-R-2-carbamoylperimidines in good yield.
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