Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Zu-Yi Li"'
Autor:
Dong-Xu Ma, Ying Zhou, Li-Dan Wu, Zu-Yi Li, Wen-Jie Jiang, Si-Ling Huang, Xue-Ping Guo, Ju-Zheng Sheng, Feng-Shan Wang
Publikováno v:
ACS Applied Materials & Interfaces. 14:42963-42975
Autor:
Hai-Xue Kuang, Zu-Yi Li, Jiang-Tao Guo, Yong-Gang Xia, Yan Liu, Zhibin Wang, Bing-You Yang, Gui-Xue Zheng
Publikováno v:
Fitoterapia. 134:108-112
Six new monoterpenoid glycosides, including thymoquinol 5-O-α-L-arabinopyranosyl-(1 → 6)-β-D-glucopyranoside (1), cuminic acid 7-O-α-D-arabinofuranosyl-(1 → 6)-β- d -glucopyranosyl ester (2), p-cymene 7-O-α-D-arabinofuranosyl-(1 → 6)-β-D-
Autor:
Changfu Wang, Bing-You Yang, Zhibin Wang, Hai-Xue Kuang, Jiang-Tao Guo, Qiu-Hong Wang, Zu-Yi Li
Publikováno v:
Chemistry & Biodiversity. 13:1118-1125
Three new lignans (1 - 3), together with four new thymoquinol glycosides (4 - 7), were isolated from 70%-EtOH extract of the rattan stems of Schisandra chinensis. The structures of 1 - 7 were elucidated by detailed spectroscopic analyses, and these n
Publikováno v:
Chinese Journal of Chemistry. 13:475-480
Both enantiomers of denopamine were synthesized using microbial-chemical approach via bioreduction of 1-(acetoxyphenyl)ketone 4(RCH2Cl) and 5(RCO2Et) with fungus Geotrichum sp. G38.
Publikováno v:
Chinese Journal of Chemistry. 20:1379-1387
A regio- and stereo-selective reduction of diketo-n-butylphosphonates by baker's yeast was reported. The chemical yield and ee value of these reactions are highly dependent on the structure of substrates. The resulting optical active hydroxyalkanepho
Publikováno v:
Chinese Journal of Chemistry. 19:272-275
Biocatalytic resolution of racemic para-nitrostyrene oxide was accomplished by employing the epoxide hydrolases from the whole cells of several Aspergillus niger (A. niger) strains. In the cases investigated, excellent selectivity was achieved with s
Publikováno v:
Chinese Journal of Chemistry. 21:853-857
The resolutions of both enantiomers of the ornidazole and secnidazole were achieved with high enantiomeric excesses (ee > 99%) by acylation of the corresponding racemates with vinylacetate in the presence of lipase Amano AK (from pseudomonas sp.). Th
Publikováno v:
Synlett. 2006:1201-1204
A new approach to the asymmetric synthesis of α-substituted serine analogues was developed. The method utilizes a lipase-catalyzed esterification desymmetrization protocol. In the presence of PPL, a series of benzyl-substituted quaternary 2-nitropro
Autor:
Zu-Yi Li, Zhong-Liu Wu
Publikováno v:
Journal of Molecular Catalysis B: Enzymatic. 22:105-112
The asymmetric hydrolysis of several 3-hydroxy-4-aryloxybutanenitriles using Rhodococcus sp. CGMCC 0497 was studied. It was revealed that the reaction temperature of 20 °C was more effective than that conventional incubation temperature such as 30
Publikováno v:
Tetrahedron: Asymmetry. 12:229-233
Baker's yeast mediated transformation of a series of 1,3-cyclohexanediones with two identical substituents at C(2) was investigated and the results of the biotransformation were found to depend on the size of the substituents at C(2). 1,3-Cyclohexane