The invention provides β-sulfonamide α-keto esters and amides in which the α-keto is protected as a 1,3-dithiolane derivative. Also provided are methods for preparing such esters and amides and for incorporating them into peptides.
本发明提供了β-磺酰胺α-
酮酯和酰胺,其中α-酮被保护为1,3-二
硫杂环衍
生物。还提供了制备这种酯和酰胺以及将它们合并到肽中的方法。