Ikeda; Kanatomo, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1958, vol. 78, p. 1128,1130
作者:Ikeda、Kanatomo
DOI:——
日期:——
Terpenoids—II
作者:E. Fujita、T. Fujita、K. Fuji、N. Ito
DOI:10.1016/s0040-4020(01)92532-3
日期:1966.1
The acyloin condensation of the lactone ester (III) which was derived from enmein, a diterpenoid bitter principle fromIsodontrichocarpusKudo, afforded several products, the main compound of which was shown to have structure XLII. The latter was converted into (−)-kaurane (LII) through a series of reactions. On the basis of the result, the absolute configuration II of enmein was positively established