Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Dao-quan Wang"'
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 4, Pp o657-o657 (2008)
The title compound, C20H32N2O2S2, has been synthesized by the reaction of α-methylsulfanylcyclododecanone and p-toluenesulfonylhydrazine. In the crystal structure, the conformation of the non-benzenoid ring is [3333] and the methylsulfanyl group is
Externí odkaz:
https://doaj.org/article/099d4cc467ff4dafb1ffb28c930b2132
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 190:310-314
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 189:503-510
The crystal structures of four phosphorus-containing polyoxamacrocycles 2,4, 6,11,13-Pentachloro-dibenzo[d,g][1,3,9,2]trioxaphosphacycloundecan-2-thione (1),2,4,9,14, 16-Pentachloro-dibenzo[g,j][1,3,6,12,2]tetraoxaphosphacyclotetra-decan-2-thione (2)
Publikováno v:
Chinese Chemical Letters. 23:669-672
In order to investigate the biological activity of novel bis-pyrazole compounds, a series of N-(3-alkyl-5-(N-methylcarbamyl)-1H-pyrazol-4-yl)-3-alkyl-4-substituted-1H-pyrazole-5-carboxamides were designed and synthesized with ethyl 3-alkyl-1H-pyrazol
Publikováno v:
Chinese Chemical Letters. 20:1267-1270
A series of novel 2-(1-substituted-1,11-undecylidene)-5-arylimino-Δ 3 -1,3,4-thiadiazolines ( 4 ) were synthesized and their structure was characterized by 1 H NMR, 13 C NMR and elemental analysis. Their solubility in both polar and non-polar solven
Publikováno v:
Chinese Chemical Letters. 20:582-585
Synthesis of the disaccharide β- d -Glup-(1→3)-6-deoxy-α- l -Talp II, and its dimer III from the O-antigenic polysaccharide of Burkholderia pseudomallei strain 304b, were achieved through assembly of suitably synthesized building blocks, 4-methox
Publikováno v:
Chinese Chemical Letters. 20:127-130
Highly efficient removal of allyloxycarbonyl (Alloc) group was achieved in the presence of CH3COONH4, Pd[P(C6H5)3]4, and NaBH4 in MeOH-THF, within 5 min in almost quantitative yields (>90%, isolated yield) without affecting acetyl, benzoyl, isopropyl
Publikováno v:
Chinese Chemical Letters. 19:415-418
An efficient synthesis of α- d -GlcpNAc-(1 → 2)-[α- d -ManpNAc-(1 → 3)-]α- l -Rhap-(1 → 2)-α- l -Rhap-(1 → 3)-α- l -Rhap (1), the repeating unit of the O10 antigen from Acinetobacter baumannii was achieved via sequential assembly of the
Autor:
Xian Lin Fan, Yun Xia Wang, Xue Qin Fang, Xiao Mei Liang, Hai Yan Zhao, Dao Quan Wang, Yue Mei Jia, Chang Hui Rui, Jing Ping Wu
Publikováno v:
Chinese Chemical Letters. 18:895-898
Six new 4″-benzyloxyimino-4″-deoxyavermectin B1a derivatives were synthesized from avermectin B1a by the selective protection of C-5-hydroxy group, oxidation of C-4″-hydroxy group, and deprotection followed by reaction with O-substituted hydrox
Publikováno v:
Chinese Journal of Chemistry. 25:1196-1201
Ten α,α,α′-trisubstituted cyclododecanones were synthesized and characterized by elemental analyses, infrared, 1H NMR and 13C NMR spectra, and X-ray diffraction. NMR data could not give conformational information clearly, but some of their ring