1.
Int J Pept Protein Res
; 48(1): 56-8, 1996 Jul.
Artigo
em Inglês
| MEDLINE
| ID: mdl-8844263
RESUMO
N-Formylpyroglutamic acid-7-amido-4-methylcoumarine and pyroglutamyl-pyroglutamic acid-7-amido-4-methylcoumarin are the major products in the synthesis of pyroglutamic acid-7-amido-4-methylcoumarin by phosphorus pentachloride in dimethylformamide and dicyclohexylcarbodiimide under pyridine activation.