The Total Synthesis of Antrimycin D<sub>v</sub>; II:<sup>1</sup>Synthesis of Tetrahydropyridazinecarboxylic Acid and Its Incorporation into Peptides
作者:Ulrich Schmidt、Bernd Riedl
DOI:10.1055/s-1993-25947
日期:——
Appropriately protected di- and tripeptides containing (R, S)-tetra -hydropyridazine-3-carboxylic acids were synthesized via protected γ-formyl-α-hydrazinobutyric acids. The latter compounds are obtained from acetals of either ethyl γ-formylbutyrate or ethyl γ-formyl-α-oxobutyrate.