Highly efficient chiral 2-oxazolidinone auxiliaries derived from methylcyclopentadienes and 2-oxazolone
作者:Noriaki Hashimoto、Tadao Ishizuka、Takehisa Kunieda
DOI:10.1016/s0040-4039(00)75800-x
日期:1994.1
10-hexamethyl- and (1S, 2R, 6S, 7S, 10R)-1, 7, 8, 9, 10, 10-pentamethyl-3-oxa-5-azatricyclo[5.2.1.02,6]dec-8-en-4-ones and their enantiomers, derived from hexamethyl- and pentamethylcyclopentadienes and 2-oxazolone, serve as extremely powerful chiral auxiliaries in the asymmetric alkylations and Diels-Alder reaction.
基于[4 + 2]环加成物的立体拥塞的2-恶唑烷酮,(1 R,2 R,6 S,7 S)-1、7、8、9、10、10-六甲基和(1 S,2 R, 6 S,7 S,10 R)-1、7、8、9、10、10-五甲基-3-氧杂-5-氮杂三环[5.2.1.0 2,6 ] dec-8-en-4-ones及其衍生自六甲基和五甲基环戊二烯和2-恶唑酮的对映异构体在不对称烷基化和Diels-Alder反应中起着极其强大的手性助剂的作用。