DIASTEROSELECTIVE FORMATION OF a-METHOXYCARBONYL LACTONES THROUGH AN INTRAMOLECULAR DIELS–ALDER REACTION: (4RS,4aRS,6RS,8aRS)-, (4S,4aS,6S,8aS)- AND (4R,4aR,6R,8aR)-4-METHOXYCARBONYL-1,1,6-TRIMETHYL-1,4,4A,5,6,7,8,8a-OCTAHYDRO-2,3-BENZOPYRONE [rac-5, (+)-5, AND (−)-5]
作者:Tietze、Kiedrowski、Fahlbusch、Voss
DOI:10.15227/orgsyn.069.0031
日期:——