Allyltin tribromide: A versatile reagent involved in the ring-opening of epoxides
作者:GuoHong Chen、Xin Wang、XiaoQian Jin、LingYan Liu、WeiXing Chang、Jing Li
DOI:10.1007/s11426-010-3200-3
日期:2010.6
This paper presents a versatile reagent for epoxide cleavage. The allyltin tribromide could act as a novel and easily prepared allylationreagent and halide atom donor to convert epoxides to the corresponding homoallyl alcohols and halohydrins in high yields with excellent regioselectivities under mild reaction conditions, respectively. It could also act as a Lewis acid to catalyze the ring opening
A Novel Gallium/Samarium-mediated Coupling of Epoxides with Allyl Halides in Aqueous Media and Synthesis of Homoallylic Alcohols
作者:Mukut Gohain、Dipak Prajapati
DOI:10.1246/cl.2005.90
日期:2005.1
A mild and efficient protocol for the coupling of various substituted epoxides 1 with allylgallium reagent generated in situ in a Bu4NBr–DMF–H2O system have been developed. The coupling is also fou...
Bi(OTf)3-catalyzed allylation of epoxides: a facile synthesis of homoallylic alcohols
作者:J.S. Yadav、B.V.S. Reddy、G. Satheesh
DOI:10.1016/s0040-4039(03)01559-4
日期:2003.8
Epoxides react smoothly with tetraallyltin in the presence of 2 mol% of Bi(OTf)(3) under mild reaction conditions to afford the corresponding homoallylic alcohols in excellent yields with high regioselectivity while aryl aziridines produce exclusively allyl amines in good yields under similar conditions. (C) 2003 Elsevier Ltd. All rights reserved.