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2004
Sulfoxides
Q 0600
44- 102
cis-Carbocuperation of Acetylenic Sulfoxides and Corresponding Applications in
the Regio- and Stereoselective Synthesis of Polysubstituted Vinyl Sulfoxides. —
Acetylenic sulfoxides such as (I) react with mono-organocopper reagents to form a
cis-adduct. The latter can be quenched with a variety of electrophiles to yield highly
substituted alkenes completely stereoselectively. It is also demonstrated, that Sonogashira coupling of the α-iodovinyl sulfoxides (IX) provides a powerful tool to enynes
(VII). — (XU, Q.; HUANG*, X.; Tetrahedron Lett. 45 (2004) 29, 5657-5660; Dep.
Chem., Zhejiang Univ., Hangzhou 310028, Peop. Rep. China; Eng.) — Mais
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