作者:Tibor Horvath、Anthony Linden、Fumihiko Yoshizaki、Conrad Hans Eugster、Peter Rüedi
DOI:10.1002/hlca.200490210
日期:2004.9
Antioxidative-activity-guided fractionation of extracts of the aerial parts of the title plant yielded the two novel abietanoid diterpenoids 11,20-dihydroxysugiol (=11,12,20-trihydroxyabieta-8,11,13-trien-7-one; 3) and 1,11-epoxy-6,12-dihydroxy-20-norabieta-1(10),5,8,11,13-pentaen-7-one (4) in addition to 11-hydroxysugiol (=12-O-demethylcryptojaponol=11,12-dihydroxyabieta-8,11,13-trien-7-one; 2) and
标题植物地上部分提取物的抗氧化活性指导分馏产生了两个新颖的枞树碱二萜类化合物11,20-dihydroxysugiol(= 11,12,20-trihydroxyabieta-8,11,13-trien-7-one; 3)和1,11-环氧-6,12-二羟基-20-norabieta-1(10),5,8,11,13-戊烯-7-一(4)除11-羟基sugiol(= 12- O -demethylcryptojaponol = 11,12-dihydroxyabieta-8,11,13-trien-7-one; 2)和主要成分香诺酮(= 6,20-环氧-6,11,12-trihydroxyabieta-8,11,13- trien-7-one;1)。该结构是在光谱学,手性学和X射线晶体学证据的基础上建立的。