Synthesis of spiro-annelated pyroglutamides by the Ugi reaction
Three component Ugi reaction between 1-(2-oxoethyl)cycloalkanecarboxylic acids, amines and isocyanides affords spirocyclic N-substituted 5-carbamoyl-2-pyrrolidones.
Stolyarenko, Vasiliy Yu.,Evdokimov, Anatoliy A.,Shishkin, Vladimir I.
p. 233 - 234
(2013/09/02)
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