Bulletin of the Chemical Society of Japan p. 1401 - 1403 (1988)
Update date:2022-08-02
Topics:
Fujisaki, Shizuo
Tomiyasu, Kazushi
Nishida, Akiko
Kajigaeshi, Shoji
The reaction of amides with tetrabutylammonium tribromide (TBA Br3) (0.5 equiv) and DBU (one equiv) in dichloromethane at room temperature gave N-substituted acylureas in fairly good yields.In the presence of alcohols, the reaction of amides with TBA Br3 (one equiv) and DBU (two equiv) gave N-substituted carbamates.
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