全部文献期刊会议图书|学者科研项目
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作者:Da-Le Guo , Mao-Sheng Zhang ...
来源:[J].Chemistry of Natural Compounds(IF 0.599), 2017, Vol.53 (3), pp.478-482
摘要:A new triterpenoid derivative, 2,3-seco-bauer-8-en-2,3-dioic acid ( 1 ), a new natural product, 3α-hydroxyolean-13(18)-en-24-oic acid ( 2 ), along with 19 known compounds ( 3 – 21 ), were isolated from the methanol extract of the aerial parts of Schnabelia oligophylla. The c...
作者:Da-Le Guo , Bing Xia ...
来源:[J].Tetrahedron Letters(IF 2.397), 2020, Vol.61 (7)
摘要:Abstract(#br)Typhoniumoid A ( 1 ), a new skeleton type alkaloid which was similar to carboline, possessed a 6/5/5/7 heterotetracyclic fused coupling with an unprecedented 7,5-spirocyclic moiety was isolated from Typhonium giganteum Engl. The structure was completely elucidated by...
作者:Da-Le Guo , Ye Ye ...
来源:[J].Phytochemistry(IF 3.05), 2018, Vol.148, pp.97-103
摘要:Abstract(#br)Guided by the UPLC-ESIMS profile, seven previously undescribed halogenated dihydroisocoumarins, palmaerones A-G, along with eleven known dihydroisocoumarins, were isolated from Lachnum palmae , an endophytic fungus from Przewalskia tangutica by exposure to a his...
作者:... Yu-Qi He , Da-Le Guo , Shi-Ji Xiao
来源:[J].Fitoterapia(IF 2.231), 2020, Vol.142
摘要:Abstract(#br)Five previously undescribed compounds, including two dendrobine-type alkaloids ( 1 and 2 ), three bibenzyl derivatives ( 3 – 5 ), along with six known compounds were isolated from orchids Dendrobium findlayanum . The structures and absolute configurations of the...
作者:Da-Le Guo , Dong-Mei Fang ...
来源:[J].Phytochemistry(IF 3.05), 2016, Vol.130, pp.228-237
摘要:Abstract(#br)Eight previously undescribed oleanane-type triterpenoid saponins, clematangoticosides A-H, together with eight known saponins, were isolated from the whole plants of Clematis tangutica (Maxim.) Korsh. Their structures were elucidated by extensive spectroscopic a...
作者:... Yu-Cheng Gu , Da-Le Guo , Yun Deng
来源:[J].Journal of Asian Natural Products Research(IF 0.948), 2020, Vol.22 (2), pp.138-143
摘要:Abstract(#br)Two previously undescribed sesquiterpenes along with nine known compounds were isolated from the fermentation broth of Aspergillus fumigatus , an endophyte of Ligusticum wallichii . Their structures were elucidated through extensive spectroscopic analysis combined wi...
作者:Da-Le Guo , Chuan-Xia Song ...
来源:[J].Natural Product Research(IF 1.031), 2016, Vol.30 (10), pp.1144-1149
摘要:A new monoterpenoid indole alkaloid compound (1(#br)) and six known monoterpenoid indole alkaloids compounds (2(#br)–7(#br)) were isolated from the barks of Voacanga africana Staph. The structures were established by spectral analysis as ibogamine-16-carboxylic acid,17,20-di...
作者:Da-Le Guo , Fang Chen ...
来源:[J].Chinese Chemical Letters(IF 1.21), 2017, Vol.28 (5), pp.1049-1051
摘要:Abstract(#br)Two new biphenyl butyl neolignan derivatives, named gymnothebutyllignans A ( 1 ) and B ( 2 ), were isolated from the whole parts of endemic medicinal plant of Gymnotheca involucrata (Saururaceae). The structures of the new compounds were elucidated by extensive NMR a...
作者:... Yu-Cheng Gu , Da-Le Guo , Yun Deng
来源:[J].Phytochemistry Letters(IF 1.179), 2020, Vol.36, pp.150-155
摘要:Abstract(#br)A pair of novel benzannulated enantiomers, penilactone C [(+ )-1 and ( -)-1 ], a known related analogue 6-acetyl-2α,5-dihydroxy-2-(2-hydroxypropyl)-3α,8-dimethylchroman ( 3 ), and a novel polyketide, penilactone D ( 2 ), were obtained from the liquid-state and s...
作者:Da-Le Guo , Lv-Yi Yuan ...
来源:[J].Phytochemistry Letters(IF 1.179), 2017, Vol.19, pp.55-59
摘要:Abstract(#br)Three new labdane diterpenes, namely loxocalyxin D ( 1 ), loxocalyxin E ( 2 ) and 13-epiloxocalyxin E ( 3 ), were isolated from the whole plants of Loxocalyx urticifolius Hemsl. Their structures were elucidated by extensive spectral analysis and chemical methods...

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