10308-13-1Relevant articles and documents
Asymmetric Total Synthesis of Biphenylquinolizidine Alkaloids 4″- O-Demethyllythridine and 14- epi-4″- O-Demethyllythridine
Kawabata, Haruka,Hirama, Taku,Yanagisawa, Tomomi,Sato, Keigo,Kogure, Noriyuki,Kitajima, Mariko,Takayama, Hiromitsu
, p. 7982 - 7986 (2019)
The first asymmetric total synthesis of new biphenylquinolizidine alkaloids 4″-O-demethyllythridine and 14-epi-4″-O-demethyllythridine isolated from Heimia salicifolia was accomplished. The key steps in the synthesis were a copper(I)-catalyzed asymmetric intramolecular aza-Michael reaction to build a chiral 4-arylquinolizidine unit and an intramolecular Suzuki-Miyaura cross-coupling reaction to construct a macrolactone ring comprising a biphenyl moiety.
ALKALOIDS OF HEIMIA MONTANA
Rother, Ana
, p. 1683 - 1686 (2007/10/02)
The alkaloid composition of the little known Heimia species, H. montana has been determined.A new alkaloid, demethylvertine, has been isolated from this species and a close biogenetic correlation with other members of the genus has been established.Differences in alkaloid metabolism among the three species of Heimia have been demonstrated.