Stereoselective Formation of a Chiral Ether by Intramolecular O–H Insertion Reaction of a Metal Carbenoid Generated from Diazoacetoacetate
作者:Chun Young Im、Tadashi Okuyama、Takashi Sugimura
DOI:10.1002/ejoc.200700759
日期:2008.1
Intermolecular O–H insertionreactions of rhodium carbenoids generated from chiral diazoacetoacetates are less efficient and less stereoselective than the reactions of those generated from the corresponding phenyldiazoacetates. Nevertheless, when the diazoacetoacetate is connected to a phenolic moiety through a 2,4-pentanediol tether, the carbenoid generated shows a high potential in both efficiency