ChemInform Abstract: Copper(I)‐Iodide Catalyzed Regioselective Allylation of α‐(2‐ Pyridylthio)allylstannanes. A New Route to δ,.epsilon.‐ Unsaturated Ketones.

Abstract

reactions of organo-metal compounds reactions of organo-metal compounds O 0350 -050Copper(I)-Iodide Catalyzed Regioselective Allylation of α-(2-Pyridylthio)allylstannanes. A New Route to δ,.epsilon.-Unsaturated Ketones.-In contrast to α-(2-phenylthio)allylstannanes, the copper(I)catalyzed allylation of α-(pyridylthio)allylstannanes or the . gamma.-analogue (XVII) results generally in preferred γ-allylation with a variety of allylic halides. The γ-products (cf. (VII) or (XIII)) can be converted to δ,.epsilon.-unsaturated ketones. -(TAKEDA, T.; MATSUNAGA, K.; URUGA, T.; TAKAKURA, M.; FUJIWARA, T.; Tetrahedron Lett. 38 (1997) 16, 2879-2882; Dep. Appl.