First Lewis Acid Catalyzed Generation and Reaction of α-Organylsulfanyl and α-Organylselanyl Carbenium Ions Using Ethyl α-Fluoroacetate Derivatives
作者:Mitsuhiro Yoshimatsu、Masayo Kawamoto、Kohei Gotoh
DOI:10.1002/ejoc.200500179
日期:2005.7
Lewis acid catalyzed generation and reactions of α-organylsulfanyl and α-organylselanyl carbenium ions with nucleophiles proceeded in high yields using α-fluoro-α-organylsulfanyl- and α-fluoro-α-organylselanylacetate and 5 mol-% scandium triflate. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
使用 α-氟-α-有机基硫基-和 α-氟-α-有机基硒基乙酸盐和 5 mol% 的三氟甲磺酸钪,路易斯酸催化 α-有机基硫基和 α-有机基硒基碳鎓离子与亲核试剂的生成和反应以高产率进行。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)