Qiang-Zhi Xu
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Explore the profile of Qiang-Zhi Xu including associated specialties, affiliations and a list of published articles.
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8
Citations
64
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Recent Articles
1.
Yang W, Qi X, Xu Q, Yuan C, Yi Y, Tang H, et al.
Bioorg Med Chem
. 2021 May;
41:116188.
PMID: 34000508
Our continuing search for marine bioactive secondary metabolites led to the screening of crude extracts of sea cucumbers by the model of Pyricularia oryzae. A new sulfated triterpene glycoside, coloquadranoside...
2.
Han H, Xu Q, Tang H, Yi Y, Gong W
Planta Med
. 2010 Apr;
76(16):1900-4.
PMID: 20425691
Two new holostane-type triterpene glycosides, named pentactasides I (1) and II (2), and a new natural product, pentactaside III (3), together with two known glycosides, philinopsides A (4) and B...
3.
Lu X, Cao X, Liu X, Long C, Liu J, Xu Q, et al.
Planta Med
. 2010 Apr;
76(15):1746-8.
PMID: 20379958
Three new iridoid glycosides, epiasperuloside (1), epipaederosidic acid (2), and epipaederoside (3), together with 7 known compounds, were isolated from the 85% ethanol extract of the leaves of Saprosma ternatum...
4.
Han H, Xu Q, Yi Y, Gong W, Jiao B
Chem Biodivers
. 2010 Jan;
7(1):158-67.
PMID: 20087982
Two new disulfated triterpene glycosides, pentactasides B and C (1 and 2, resp.), were isolated from the sea cucumber Pentacta quadrangularis collected from the South China Sea. Their structures were...
5.
Lu X, Xu Q, Liu X, Cao X, Ni K, Jiao B
Chem Biodivers
. 2008 Sep;
5(9):1669-74.
PMID: 18816519
The increasing demands for new lead compounds in pharmaceutical and agrochemical industries have driven scientists to search for new bioactive natural products. Marine microorganisms are rich sources of novel, bioactive...
6.
Tang H, Yi Y, Yao X, Wu J, Zhang S, Xu Q
Zhongguo Zhong Yao Za Zhi
. 2003 May;
27(4):269-73.
PMID: 12774370
Objective: To study the chemical constituents of Ishige okamurai. Method: Compounds were isolated by Pyricularia oryzae bioassay-guided fractionation method in combination with extraction and partitionation as well as multi-chromatography. Their...
7.
Li W, Yi Y, Wu H, Xu Q, Tang H, Zhou D, et al.
J Nat Prod
. 2003 Jan;
66(1):146-8.
PMID: 12542366
A new cyclic heptapeptide phakellistatin 13 (1) had been isolated from the sponge Phakellia fusca Thiele, collected at Yongxing Island of China. Its structure was elucidated as cyclo-(Pro1-Trp-Leu-Thr-Pro2-Gly-Phe) on the...
8.
Tang H, Yao X, Xu Q, Zhang S, Lin H
J Asian Nat Prod Res
. 2002 Jun;
4(2):95-101.
PMID: 12067165
By activity-guided fractionation, two new sterols, 3beta,28xi-dihydroxy-24-ethylcholesta-5,23Z-dien (1) and 2a-oxa-2-oxo-5alpha-hydroxy-3,4-dinor-24-ethylcholesta-24(28)-ene (2), together with five known steroids, fucosterol (3), 24-ethylcholesta-4,24(28)-dien-3,6-dione (4), 24xi-hydroperoxy-24-vinylcholesterol (5), 24-ketocholesterol (6), 24R,28R- and 24S, 28S-epoxy-24-ethylcholesterol (7), were...