Nickel catalyzed addition of organozincates to optically pure vinylic sulfoxides. Synthesis of the phosphodiesterase IV inhibitor L-765,527 (CDP-840)
作者:Ioannis N. Houpis、Audrey Molina、Ilias Dorziotis、Robert A. Reamer、R.P. Volante、Paul J. Reider
DOI:10.1016/s0040-4039(97)01766-8
日期:1997.10
Ph3ZnMgCl was added to the optically pure sulfoxide 3 in the presence of Ni(acac)(2) to give, after desulfurization, the phosphodiesterase IV inhibitor 1 in good yield and 92% enantiomeric excess. (C) 1997 Elsevier Science Ltd.