Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Li-Qin, Ding"'
Publikováno v:
Molecules, Vol 24, Iss 10, p 1851 (2019)
A chemical investigation on 70% EtOH extract from the bark of Phellodendron chinense Schneid (Rutaceae) led to six new methyl apiofuranosides (1–6), and ten known compounds (7–16). All these compounds were characterized by the basic analysis of t
Externí odkaz:
https://doaj.org/article/c90ec94f333142ca93f94a55d116767c
Autor:
Ying-Jie Sun, Shi-Jie Cao, Feng-Ni Liang, Jin-Yan Li, Xiang-Yu Zhang, Wei Li, Li-Qin Ding, Feng Qiu
Publikováno v:
Phytochemistry. 205:113507
Five undescribed puerols and puerosides and three known analogues were obtained from the roots of Pueraria lobata. Their structures were determined by comprehensive analysis of spectroscopic data and chemical methods. Since puerol D and puerol C were
Publikováno v:
Natural Product Research. 33:1162-1168
Two pairs of new phenolic enantiomers, (+)-eucophenolic A (1a), (-)-eucophenolic B (1b), (-)-eucophenolic C (2a), (+)-eucophenolic D (2b) were isolated from the leaves of Eucommia ulmodies Oliver by chiral enantiomeric resolution. Their structures we
Autor:
Rong Shi, Tianming Wang, Li-Qin Ding, Jie Zhong, Jin Jiahua, Yueming Ma, Qian Wang, Li Zhu, Cui Gao
Publikováno v:
Anal. Methods. 6:2923-2929
A novel method based on ultra-high-performance liquid chromatography coupled with electrospray ionisation tandem mass spectrometry was developed for the simultaneous determination of the 14 major active constituents of Longhu Rendan pills. These 14 c
Publikováno v:
Anal. Methods. 6:3713-3719
Longhu Rendan pills (LRPs) are one of the most widely used traditional Chinese over-the-counter medicines for the prevention and treatment of heat stroke and motion sickness. A rapid and effective GC-MS/MS method for the determination of six volatile
Publikováno v:
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. 40(13)
Nuclear magnetic resonance (1H-NMR) fingerprint of Rhodiola rosea medicinal materials was established, and used to distinguish the quality of raw materials from different sources. Pulse sequence for water peak inhibition was employed to acquire 1H-NM
Autor:
Li Qin Ding, Chu Zeng, Rui Ma, Wen Juan Jin, Leilei Chen, Xing Qiang Lü, Guoqi Xiao, Feng Bao, Bing Yan
Publikováno v:
Polym. Chem.. 2:659-664
A monometallic (Ni2+, 1) and a bimetallic (Ni2+-Sm3+, 2) complexes based on the Salen-type Schiff-base ligand H22L (H22L = N,N′-bis(3-methoxysalicylidene)ethylene-1,2-diamine) were synthesized and characterized by FT-IR, ESI-MS and X-ray crystallog
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 20:809-815
With the complex 1 or 2 ([Ag(3-pmpmd)]n·n(X) (X− = BF4 −, 1; X = PF6 −, 2) from the semi-rigid 3-pmpmd (N,N′-bis(3-pyridylmethyl)-pyromellitic diimide) ligand and AgBF4 or AgPF6 as the precursor, two new coordination polymers [Ag2(3-pmpmd)2(
Autor:
Rui Ma, Yong Long, Xing Qiang Lü, Zeng Chu, Feng Bao, Li Qin Ding, Leilei Chen, Dai Di Fan, Ji Rong Song
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 20:235-241
The chiral Salen-type Schiff base ligand H 2 L (H 2 L = (s)-(+)2,2′-bis(2-hydroxy-3-methoxybenzylideneamino)-1,1′-binaphthyl), was selected to obtain the new chiral Cu2+ complex CuL (1), which was found to catalyze the polymerization of norbornen
Publikováno v:
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. 33(24)
To study the chemical constituents in Agrimonia pilosa.The compounds were isolated and purified by various column chromatographic methods and elucidated on the basis of chemical and spectroscopic evidences.Nine flavonoids were obtained and identified