Chemistry of Heterocyclic Compounds p. 756 - 758 (1981)
Update date:2022-08-04
Topics:
Kalcheva, V. B.
Tsvetanska, L. I.
4,5-Diphenyl-4-oxazolin-2-one and -2-thione undegro recyclization to 1-substituted 4,5-diphenyl-4-imidazolin-2-ones and -2-thiones, respectively, under the influence of primary amines.The action of hydrazine hydrate on the oxazolone leads to 5,6-diphenyl-1,2,3,4,-tetrahydro-1,2,4-triazin-3-one.The corresponding ureas were isolated from the reaction mixtures in a number of cases.
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Doi:10.1246/bcsj.54.2739
(1981)Doi:10.1021/jm50001a013
(1985)Doi:10.1007/BF00580035
(1984)Doi:10.1021/ja00368a026
(1982)Doi:10.1021/tx9701743
(1998)Doi:10.1039/jr9350001847
(1935)
