A complete study of the bisbenzylisoquinolines with an ether and a biphenyl bridge isolated from Guatteria guianensis enable us to establish rules to correlate spectral data and absolute configuration in this type of dimer. Six new dimers have been isolated, (+)-2'-norfuniferine 1, (+)-2'-nortiliageine 3, (+)-guattamine 5, (+)-2'-norguattaguianine 6, (+)-2,2'-bisnorguattaguianine 8, and (+)-guattaminone
Absolute configuration and biosynthesis of tiliageine
作者:D.S. Bhakuni、A.N. Singh
DOI:10.1016/0040-4020(78)88339-2
日期:1978.1
Tracer experiments on Tiliacoraracemosa Colebr established that tiliageine has “S” and “R” configuration at the asymmetric centres C1 and C'1 respectively. The experiments also prove that tiliageine is biosynthesised in the plants from N-methylcoclaurine.