A novel route to imidoylbenzotriazoles and their application for the synthesis of enaminones.
Reactions of secondary amides 2a-i with 1-chloro-1H-benzotriazole and triphenylphosphine give imidoylbenzotriazoles 3a-i. The treatment of 3a,b,e,g with silyl enol ethers 5a,b in the presence of potassium tert-butoxide provides a new general approach to enaminoketones 6a-h.
Katritzky
Alan R
AR
Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA. katritzky@chem.ufl.edu
Hayden
Amy E
AE
Kirichenko
Kostyantyn
K
Pelphrey
Phillip
P
Ji
Yu
Y