ChemInform Abstract: Nickel-Catalyzed Addition of Organozincates to Optically Pure Vinylic Sulfoxides. Synthesis of the Phosphodiesterase IV Inhibitor L-765,527 (CDP-840).
Abstract
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ChemInform Abstract
A highly enantioselective access to the title compound is achieved by Ni(acac)2-catalyzed addition of a Zn compound to the optically pure sulfoxide (I) followed by desulfurization.