Reactions of N1-Hydroxyformamidines with Heterocumulenes

DOI: 10.1002/ardp.19813141206

Source and publish data:

Archiv der Pharmazie p. 1006 - 1014 (1981)

Update date:2022-08-04

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Authors:

Zinner, Gerwalt

Schecker, Heinz-Guenther

Heuer, Wilhelm

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Article abstract of DOI:10.1002/ardp.19813141206

N¹-Hydroxyformamidines and isocyanates react to yield N¹-(carbamoyloxy)formamidines and/or 3-amino-1,2,4-oxazolidin-5-ones.Frequently the formation of ureas is observed.It can be explained by an oxidoreductive rearrangement to 1,3,5-trisubstituted biurets which undergo abstraction of isocyanate.Reactions with carbodiimides lead to 3-amino-5-imino-1,2,4-oxadiazolidines, ureas and carbodiimides not identical with the educts.

Full text of DOI:10.1002/ardp.19813141206

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