1 |
HUI W H , KO P D S , LEE Y C , et al. Triterpenoids from ten Lithocarpus species of HongKong[J]. Phytochemistry, 1975, 14, 1063- 1066.
doi: 10.1016/0031-9422(75)85187-9
|
2 |
TANAKA R , MATSUNAGA S . Saturated hopane and gammacerane triterpene-diols from the stem bark of Abies Veitchii[J]. Phytochemistry, 1992, 31, 3535- 3539.
doi: 10.1016/0031-9422(92)83723-C
|
3 |
HUI W H , LI M M . Six new triterpenoids and other triterpenoids and steroids from three Quercus species of HongKong[J]. J Chem Soc, 1977, Perkin Trans. Ⅰ, 897- 904.
|
4 |
ARTHUR H R , KO P D S . 3β, 22-dihydroxyhopane and other constituents from the leaves of Castanopsis Eyrei Tutch. of HongKong[J]. Aust J Chem, 1968, 21, 2583- 2584.
doi: 10.1071/CH9682583
|
5 |
TANAKA R , MIZOTA T , MATSUNAGA S . Saturated gammaceranes from the stem bark of Abies MariesII[J]. J Nat Prod, 1994, 57, 761- 766.
doi: 10.1021/np50108a012
|
6 |
HUI W H , LI M M . Structures of eight new triterpenoids and isolation of other triterpenoids and epi-ikshusterol from the stems of Lithocarpus cornea[J]. J Chem Soc, 1976, Perkin Trans. Ⅰ, 23- 30.
|
7 |
ČERNÝ J , VYSTRČIL A , HUNECK S . Über ein neues triterpen aus Dammar-Harz[J]. Chem Ber, 1963, 96, 3021- 3023.
doi: 10.1002/cber.19630961126
|
8 |
HOSHINO T , NAKANO S , KONDO T , et al. Squalene-hopene cyclase: final deprotonation reaction, conformational analysis for the cyclization of (3R, S)-2, 3-oxidosqualene and further evidence for the requirement of an isopropylidene moiety both for initiation of the polycyclization cascade and for the formation of the 5-membered E-ring[J]. Org Biomol Chem, 2004, 2, 1456- 1470.
doi: 10.1039/B401172D
|
9 |
WANG Q , LI Y J , ZHENG L Y , et al. Novel betulinic acid-nucleoside hybrids with potent anti-HIV activity[J]. ACS Med Chem Lett, 2020, 11, 2290- 2293.
doi: 10.1021/acsmedchemlett.0c00414
|
10 |
WANG Q , HU W D , WANG S Y , et al. Synthesis of new 2'-deoxy-2'-fluoro-4'-azido nucleoside analogues as potent anti-HIV agents[J]. Euro J Med Chem, 2011, 46, 4178- 4183.
doi: 10.1016/j.ejmech.2011.06.020
|
11 |
SATO T , HOSHINO T . Functional analysis of the DXDDTA motif in squalene-hopene cyclase by site-directed mutagenesis experiments: initiation site of the polycyclization reaction and stabilization site of the carbocation intermediate of the initially cyclized a-ring[J]. Biosci Biotechnol Biochem, 1999, 63, 2189- 2198.
doi: 10.1271/bbb.63.2189
|