2H-Pyran-2-ones as synthons for (E)-α,β-didehydroamino acid derivatives

Article abstract of DOI:10.1016/S0040-4020(98)01032-1

2H-Pyran-2-ones with the defined (E)-structure of a α,β- didehydroamino acid unit were used as synthons for a series of configurationally stable (E)-α,β-didehydroamino acid derivatives containing a benzoyl protected amino function and a pyrazolyl residue.