An approach to the cyclopeptide alkaloids (phencyclopeptines) via heterocyclic diamide/dipeptide equivalents. Preparation and N-alkylation studies of 2,4(5)-disubstituted imidazoles
An approach to the cyclopeptide alkaloids (phencyclopeptines) via heterocyclic diamide/dipeptide equivalents. Preparation and N-alkylation studies of 2,4(5)-disubstituted imidazoles