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Alkaloids from Gelsemium elegans.
Three new alkaloids, gelsebanine (1), 14alpha-hydroxyelegansamine (2), and 14alpha-hydroxygelsamydine (3), and a new extraction artifact , gelsebamine (4), together with 12 known alkaloids, wereExpand
Chlorahololides A and B, two potent and selective blockers of the potassium channel isolated from Chloranthus holostegius.
[structure: see text] Chlorahololides A(1) and B(2), two highly complex sesquiterpenoid dimers, were isolated from Chloranthus holostegius. Their structures and absolute configurations wereExpand
Rapid screening and identification of caffeic acid and its esters in Erigeron breviscapus by ultra-performance liquid chromatography/tandem mass spectrometry.
Caffeic acid and its esters (CAEs) are widely distributed in the plant kingdom and have been reported to elicit a wide range of exceptional biological activities. Present methods for screening andExpand
Chuktabularins A-D, four new limonoids with unprecedented carbon skeletons from the stem bark of Chukrasia tabularis.
Chuktabularins A-D (1-4), four novel 16-norphragmalin-type limonoids that feature unprecedented skeletons with a biosynthetically extended C2 or C3 unit at C-15 forming a uniqueExpand
Limonoids from the Leaves and Twigs of Walsura yunnanensis.
Nine new cedrelone limonoids, namely, walsuranolide B (1), 11β-hydroxy-23-O-methylwalsuranolide (2), yunnanolide A (3), yunnanol A (4), 11β-hydroxyisowalsuranolide (5),Expand
Screening and analysis of potentially active components in Shenxiong glucose injection using UHPLC coupled with photodiode array detection and MS/MS.
Shenxiong glucose injection, a pharmaceutical preparation containing water extract of the roots of Salvia miltiorrhizae and ligustrazine hydrochloride, is widely used in clinical to treat cardiovascular diseases in China. Expand
Cytotoxic sesquiterpenoids from Vernonia bockiana
Two new sesquiterpenoids, vernobockolides A (1) and B (2), along with five known ones, piptocarphin C (3), piptocarphin F (4), piptocarphin A (5), hirsutolide (6), and β-d-glucopyranosyl taraxinicExpand
The first limonoid peroxide in the Meliaceae family: walsuronoid A from Walsura robusta.
Walsuronoid A (1), a limonoid featuring an unprecedented 3,4-peroxide-bridged A-seco skeleton, together with walsuronoids B (2) and C (3) possessing a rare 18(13-->14)-abeo-limonoid skeleton, wasExpand
Koumine, Humantenine, and Yohimbane Alkaloids from Gelsemium elegans.
Nine new alkaloids of the koumine (1-4), humantenine (5-7), and yohimbane (8, 9) types as well as 12 known analogues were isolated from the leaves and vine stems of Gelsemium elegans. Compound 1 isExpand
Aphanamolide A, a new limonoid from Aphanamixis polystachya.
Two new limonoids, namely aphanamolides A (1) and B (2), were isolated from the seeds of Aphanamixis polystachya . Their structures were established by spectroscopic methods. Aphanamolide A (1)Expand