Stereoselective syntheses of benzo- and naphtho-pyrans by Lewis acid catalysed isomerisation of aryldioxolanes
作者:Robin G. F. Giles、Ivan R. Green、Lorraine S. Knight、Vanessa R. Lee Son、Rodney W. Rickards、Badra S. Senanayake
DOI:10.1039/c39910000287
日期:——
Phenyl- and naphthyl-dioxolanes are stereoselectively isomerised using titanium tetrachloride in methylene dichloride at –78 °C into benzo- and naphtho-pyrans.
使用四氯化钛在二氯甲烷中于 –78 °C 下将苯基和萘基二氧戊环立体选择性异构化为苯并吡喃和萘并吡喃。
Giles, Robin G. F.; Green, Ivan R.; Knight, Lorraine S., Journal of the Chemical Society. Perkin transactions I, 1994, # 7, p. 865 - 874
作者:Giles, Robin G. F.、Green, Ivan R.、Knight, Lorraine S.、Son, Vanessa R. Lee、Yorke, Selwyn C.