A previously described palladium-catalyzed cyclization leading to cyclopentane derivatives has been extended to the formation of cyclohexanes by disfavoring the competing Heck reaction. The nature of the nucleophile plays a prominent part in this generalization.
Reductive decyanation of α-cyano and α-alkoxycarbonyl substituted nitriles promoted by samarium(II) iodide
作者:Han-Young Kang、Woo Sang Hong、Yong Seo Cho、Hun Yeong Koh
DOI:10.1016/0040-4039(95)01606-i
日期:1995.10
Decyanation of geminaldinitriles and α-alkoxycarbonyl substituted nitriles promoted by samarium(II) iodide has been efficiently achieved. This method has advantages over the previously known radical route using tin hydride with respect to applicable substrates and the reaction temperature employed. This decyanation could broaden the synthetic applicability of the nitrile derivatives.