Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Qing Xu"'
Publikováno v:
Angewandte Chemie. 133:10047-10051
Crown ethers are a class of macrocyclic molecules with unique flexible structures but they are rarely integrated in covalent organic frameworks (COFs). To date, employing flexible organic units such as crown ethers to construct COFs with high crystal
Publikováno v:
Green Energy & Environment. 6:138-149
Polymerization is a major challenge for the upgrading of bio-oil to biofuels, but is preferable for the production of carbon material from bio-oil. Understanding the mechanism for polymerization is of importance for tailoring property of carbon mater
Autor:
Feng-Qing Xu, Lei Sun, Jiang-Miao Hu, Jin-Song Liu, De-Ling Wu, Hua-Ping Hu, Xiao-Xiao Chen, Guo-Yong Xu
Publikováno v:
Natural Product Research. 35:2564-2568
The cortex root of Paeonia ostii, is used as a traditional Chinese medicine for treating female diseases. Phytochemical investigation of the water-soluble fraction of the plant led to the isolation of two new acetoisovanillone glycosides: acetoisovan
Autor:
Xiao-Lei Zhao, Yun-Chang Fan, Wan-Wan Wang, Zhi-Hong Xu, Yuan Wang, Zhou-Qing Xu, Wei-Na Wu, Wen-Zhao Xue
Publikováno v:
Journal of Luminescence. 212:191-199
A novel pyrazine hydrazone 1 has been designed and synthesized, which acts as a multiprobe for selective detection of Al3+, Mg2+, and Zn2+ in DMSO solution based on fluorescent enhancement with three different emission colors. The higher affinity of
Autor:
Yun-Chang Fan, Xiao-Lei Zhao, Zhou-Qing Xu, Zhi-Hong Xu, Wu Hao, Yuan Wang, Wei-Na Wu, Xian-Jie Mao
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 212:1-9
A rhodamine hydrazone 1 bearing coumarin moiety was designed and prepared. Compound 1 exhibited high selectivity toward Co2+ and trivalent metal ions with fluorescence enhancement in CH3OH solution. However, 1 selectively responded to Al3+ in nearly
Autor:
Yun-Chang Fan, Xiao-Lei Zhao, Zhou-Qing Xu, Yuan Wang, Wu Hao, Zhi-Hong Xu, Wei-Na Wu, Run-Bin Zhong
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 212:121-127
A novel rhodamine-based Schiff base derivative was obtained via the simple condensation of substituted formyl-1H-pyrrole and rhodamine 6G hydrazone. Fluorescence resonance energy transfer enabled the subsequent use of the derivative as a naked-eye co
Publikováno v:
Synlett. 30:1698-1702
Na2SeSO3, which can be generated in situ by the reaction of Na2SO3 with Se power, was found to be an odorless reagent for the selenenylation of alkyl halides to produce dialkyl diselenides. These products have been recently shown to be good catalysts
Publikováno v:
Journal of Solid State Chemistry. 270:212-218
By employing the hydrothermal in situ acylation of organic acid with N2H4, we constructed a new acylhydrazidate-based Zn2+ coordination polymer [Zn2(apo)2]·H2O (H2(apo) = 4,5-diamino-1,2-dihydropyridazine-3,6-diol) 1. Interestingly, besides the acyl
Publikováno v:
CrystEngComm. 21:3086-3096
Through employing the hydrothermal in situ acylation of organic acids with N2H4, six L12−-based coordination polymers, [M(L1)(H2O)]·H2O (M2+ = Cd2+1, Zn2+2, Fe2+3, Mg2+4; H2L1 = 6,6′-(perfluoropropane-2,2-diyl)bis(2,3-dihydrophthalazine-1,4-dion
Autor:
Xiao-Qing Xu, Chun-Chao Zhao, Jie Shen, Judi Fan, Min Zhao, Jia Chen, Wen-Yan Gu, Ke-Huan Li, Jian-Hua Shao
Publikováno v:
Holzforschung. 72:1017-1024
Viburnum macrocephalum f. keteleeri, not well explored in the pharmaceutical field, is a tall deciduous shrub and commonly used as folk medicines for the treatment of type 2 diabetes (T2D). In this study, the dried branches of V. macrocephalum f. ket