Novel triterpene saponins isolated from Clematis mandshurica and their inhibitory activities on NO production

Li, 2013, Mandshunosides C–E from the roots and rhizomes of Clematis mandshurica [J], Phytochem Lett, 6, 570, 10.1016/j.phytol.2013.07.007 Fu, 2010, Triterpene saponins from Clematis chinensis and their potential anti-inflammatory activity [J], J Nat Prod, 73, 1234, 10.1021/np100057y Chawla, 2012, The genus Clematis (Ranunculaceae): Chemical and pharmacological perspectives [J], J Ethnopharmacol, 143, 116, 10.1016/j.jep.2012.06.014 Wu, 2010, Therapeutic effect of the saponin fraction from Clematis chinensis Osbeck roots on osteoarthritis induced by monosodium iodoacetate through protecting articular cartilage [J], Phytother Res, 24, 538, 10.1002/ptr.2977 Ding, 2009, Cytotoxic and antibacterial triterpenoids derivatives from Clematis ganpiniana [J], J Ethnopharmacol, 126, 382, 10.1016/j.jep.2009.09.028 Fu, 2013, Three new triterpene saponins from Clematis chinensis [J], J Asian Nat Prod Res, 15, 610, 10.1080/10286020.2013.794418 Shi, 2006, Triterpene saponins from Clematis mandshurica [J], J Nat Prod, 69, 1591, 10.1021/np060287z Kawata, 1998, Studies on the constituents of Clematis species. VII. Triterpenoid saponins from the roots of Clematis terniflora DC. Var. robusta tamura [J], Chem Pharm Bull, 46, 1891, 10.1248/cpb.46.1891 Yoshihiro, 2004, Triterpene saponins from the roots of Clematis chinensis [J], J Nat Prod, 67, 1511, 10.1021/np040088k Shao, 1989, Saponins from leaves of Acanthopanax senticosus HARMS., Ciwujia. II.: structures of ciwujianosides A1, A2, A3, A4 and D3 [J], Chem Pharm Bull, 37, 42, 10.1248/cpb.37.42 Ye, 1998, New triterpenes from Machaerocereus eruca [J], J Nat Prod, 61, 456, 10.1021/np970364d