BF3·OEt2 promotes fast, mild, clean and regioselective dehydration of tertiary alcohols
作者:Gary H. Posner、Ellen M. Shulman-Roskes、Chang Ho Oh、Jean-Christophe Carry、Julianne V. Green、A.Brian Clark、Haiyan Dai、Tizah E.N. Anjeh
DOI:10.1016/0040-4039(91)80200-p
日期:1991.11
BF3.OEt2 in methylene chloride at 25-degrees-C for 2 hours or less is shown to be effective for easy conversion of tertiary alcohols into the corresponding thermodynamically most stable alkenes.
Triphenylbismuth dibromide-iodine: An efficient reagent for the dehydration of alcohols
作者:Rosa L. Dorta、Ernesto Suárez、Carmen Betancor
DOI:10.1016/s0040-4039(00)73313-2
日期:1994.7
Tertiary and secondary alcohols react under mild conditions with triphenylbismuth dibromide and iodine under an inert atmosphere to give the corresponding most stable alkenes in good yields.