Titanocene(III) Chloride Mediated Stereoselective Synthesis of Trisubstituted Tetrahydrofurans and a Spirolactone by Tandem Radical Reactions
作者:Shirshendu Mukherjee、Rajdip Roy、Subhas Chandra Roy
DOI:10.1002/ejoc.201400097
日期:2014.5
The titanocene(III) chloride (Cp2TiCl) mediated stereoselectivesynthesis of highly substituted tetrahydrofurans has been achieved by a reaction that proceeds through a tandem radical cyclization reaction between a Baylis–Hillman adduct and an activated bromo/iodo compound. The reaction of an epoxide with the Baylis–Hillman adduct furnished a spirolactone through a radical cyclization followed by an