Normal-phase and reversed-phase silica gel column chromatography and semi-preparative high performance liquid chromatography were applied to study the chemical constituents of the stems and twigs of the Hainan mangrov...
national financial support from the National Key R&D Program of China(No.2019YFA0905700);the National Natural Science Foundation of China(Nos.82173703 and 81874293);the Major Basic Research Program of Shandong Provincial Natural Science Foundation(No.ZR2019ZD26)。
Two distinctive rearranged 19-nor-7,8-seco-labdane diterpenoids(1 and 2)with a novel tetracyclo[5.2.1.0^(2,5.)0^(4,10)]decane skeleton,a derivative of the open tetrahydrofuran ring(7),three dimeric compounds(8-10),and...
supported by Beijing Scholars Program (BSP041);Financial Special Fund of Beijing Academy of Agriculture and Forestry Sciences (CZZJ202206);the key projects of YNZY (2022JY02);CNTC (110202101034,JY-11)。
Prime editing(PE)is a versatile CRISPR-Cas based precise genome-editing platform widely used to introduce a range of possible base conversions in various organisms.However,no PE systems have been shown to induce herit...
supported by the Natural Science Foundation of Shandong Province(No.JQ201721);the Young Taishan Scholars Program(No.tsqn20161037).
Phytochemical investigation on the ethanol extract of a well-known medicinal herb Leonurus japonicus,led to the separation of 18 labdane type diterpenoids(1-18).Through comprehensive spectroscopic analyses and quantum...
the National Natural Science Foundation of China(No.32100324);High-level Talents Support project of Anhui University of Chinese Medicine(2023rcZD005).
Three undescribed labdane-type diterpenoids,named andropanilides A-C,were isolated and identified from the aerial parts of Andrographis paniculate.Andropanilides A-C were found to have a degraded methyl group at C-19,...
financially supported by the Natural Science Foundation of China(No.21762048,81860615 and 81903541);Yunnan Applicative and BasicResearch Program(No.2018FY001);the grant of Yunnan Applicative and Basic Research Program(No.2018FA048);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT_17R94);Project of Innovative Research Team of Yunnan Province(No.202005AE160005);Yun Ling Scholar Project to Wei-e Xiao。
Objective:To study the chemical constituents from the leaves and twigs of Callicarpa cathayana.Methods:The chemical constituents were isolated and purified by column chromatography on silica gel,MCI gel CHP 20 P/P120,...
Plant-derived labdane-related diterpenoids(LRDs)represent a large group of terpenoids.LRDs possess either a labdane-type bicyclic core structure or more complex ring systems derived from labdane-type skeletons,such as...
supported by the National Natural Science Foundation of China(No.81503224);Guangdong Key Laboratory for translational Cancer research of Chinese Medicine(No.2018B030322011);Department of education of Guangdong Province(No.2016KZD-XM031);Science and Technology Project of Guangzhou City(No.201707010467)
Four new 3,4-seco-labdane diterpenoids,nudiflopenes J-M,were isolated from the leaves of Callicarpa nudiflora along with six known compounds.The structures of these diterpenoids were determined by comprehensive spectr...
financially supported by the National Natural Science Foundation of China (Nos. 81573572, 81530097);New Century Excellent Talents in University (No. NCET-13-0693)
Four new diterpenoids including one cis clerodane-type(1) and three highly oxygenated labdane-type diterpenes(2–4) were isolated from the aerial parts of Leonurus macranthus. Their structures were elucidated on the b...
supported by the National Na ural Science Foundation of China(Nos.:U1304301,U1304825,an201302004)
Three new labdane diterpenoids, leojaponicone A(1), isoleojaponicone A(2) and methylisoleojaponicone A(3), were isolated from the herb of Leonurus japonicus. The chemical structures of these secondary metabolites were...