Stereoselective Syntheses and Reactions of Stannylated Peptides. -Stannylated peptides (III) and (XIII) are prepared in good yields and with high diastereoselectivities by the palladium-catalyzed reaction of the corresponding di-and tripeptides (I) and (XII) with stannylallyl carbonate (II). Several side-chain modifications of stannylated peptide (IIIb) such as Stille, Sonogashira and Negishi coupling reactions are successfully performed via iodinated peptide (IV). The latter compound undergoes also palladium…
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