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摘要 Lead nitrate was used as an efficient catalyst in the oxidation and condensation reaction of hydroxy ketone with diamine leading to the formation of pyrazine derivatives in excellent yields.
Fatty Acid Composition of Tobacco Seed Oil and Synthesis of Alkyd Resin
tobacco oil alkyd fatty acid linoleic acid gloss and adhesion
2007/12/19
摘要 The fatty acid composition of tobacco seed oil revealed that the oil is rich in unsaturated fatty acids, having linoleic acid (71.63%), oleic acid (13.46%) and palmitic acid (8.72%) as the most abu...
Multicomponent One-pot Diastereoselective Synthesis ofBiologically Important Scaffold under Microwaves
multi-component reaction microwave spiro derivative
2007/12/19
摘要 A simple and fast three-component diastereoselective synthesis of biologically important spiro scaffold 4 was carried out in reasonable purity starting from readily available 1H-indole-2,3-dione 1,...
A Two-coordinate Copper(I) Complex Constructed from Cyanuric acid and 4,4′-bipyridyl: Synthesis, Structure and Photoluminescence
一价铜化合物 光致发光 三聚氰酸 联吡啶
2007/12/19
摘要 通过水热法合成了一个具有很强光致发光特性的两配位一价铜化合物，Cu(bipy)(H2L)2 1 (H3L = cyanuric acid, bipy = 4,4′-bipyridyl)。化合物结构通过单晶X−射线衍射所解析。化合物具有单斜 P21/n空间群，其晶胞参数为， M = 269.71、 a = 13.4806(5) Å、 b =4.5234(2) &Arin...
摘要 Sodium tetrafluoroborate (NaBF4) was found to catalyze the electrophilic substitution reactions of indoles with aldehydes and ketones under solvent-free conditions to afford the corresponding bis(i...
An Efficient Solid Acid Promoted Synthesis of Quinoxaline Derivatives at Room Temperature
silica sulfuric aci quinoxaline 1 2-diketone 1 2-diamine enzilmonoxime
2007/12/19
摘要 Quinoxaline derivatives have been synthesized in a very short time with excellent yields by the condensation of 1,2-diamines with aliphatic or aromatic 1,2-dicarbonyl compounds or benzilmonoxime in...
A Short Synthesis of Natural Isocoumarin Glucoside Delphoside
isocoumarin glucoside glycosylation total synthesis delphoside
2007/12/19
摘要 A simple synthesis of delphoside, 3-methyl-6-hydroxy-8-O-β-D-glucopyranosyloxy isocoumarin (1), isolated from Delphinium spp. isdescribed. 3,5-Dimethoxyhomophthalic anhydride (2) on treatmentwith a...
A New Method of Synthesis of Azo Schiff Base Ligands with Azo and Azomethine Donors: Synthesis of N-4-Methoxy- benzylidene-2-(3-hydroxyphenylazo)-5-hydroxy- aniline and Its Nickel(II) Complex
synthesis azo compound Schiff base ligand azo and azomethine donor
2007/12/19
摘要 A new method for the synthesis of azo Schiff an base ligand in which the azo and azomethine groups are coordination sites was developed through a Schiff base precursor. The precursor, N-4-methoxybe...
Synthesis and Characterization of Complexes of Copper(II), Nickel(II) and Cobalt(II) with vic-Dioximes Bearing N'-p-Aminobenzoyl Benzaldehyde Hydrazone
dioxime hydrazone complex extraction
2007/12/13
摘要 Six different arylhydrazone derivatives of p-aminobenzoic hydrazide of vic-dioximes were synthesized by reaction of chloroglyoxime and dichloroglyoxime with N'-p-aminobenzoyl benzaldehyde, 4-hydrox...
Direct Hydrothermal Synthesis of Palladium-Incorporated Silicate-Structured Mesoporous Catalysts
Mesoporous catalysts MCM-41 Pd hydrothermal synthesis reforming
2010/4/16
Pd-Si-structured novel mesoporous nanocomposite catalytic materials, having quite high Pd/Si ratios, were synthesized by an acidic direct hydrothermal synthesis route. The nanocomposite catalytic mate...
Synthesis and Cytotoxic Activity of Platinum(II) and Platinum(IV) Complexes with 2-Hydroxymethylbenzimidazole or 5(6)-Chloro-2-hydroxymethylbenzimidazole Ligands against MCF-7 and HeLa Cell Lines
Benzimidazole, cytotoxic activity, HeLa cell line, MCF-7 cell line, platinum(IV) complexes, platinum(II) complexes
2010/4/16
Four platinum(II) and 4 platinum(IV) complexes with the structures [PtL2Cl2], [PtL2I2], [PtL2Cl4], and [PtL2Cl2(OH)2] (L = 5(6)-non/orchloro-substituted-2-hydroxymethylbenzimidazole ligands as ``non-l...
The Synthesis of 2-(Chloromethyl)-6-Hydroxy-2H-Pyran-3 (6H)-one via Achmatowicz Rearrangement
Oxidation furan 2-chloro-1-(furan-2-yl) ethanol m-CPBA rearrangement pyranones
2010/4/16
Achmatowicz rearrangement was carried out with 2-chloro-1-(furan-2-yl) ethanol, which was synthesized starting from 1-(furan-2-yl) ethanone. It was shown that the oxidation of 2-chloro-1-(furan-2-yl) ...
题目：S14-1 Integrating steroid synthesis with steroid action: multiple mechanisms in birds
作者：Barney A. SCHLINGER, Kiran K. SOMA, Sarah E. LONDON
专著信息
书名
Synthesis and anticancer effect of B-ring trifluoromethylated flavonoids
语种
英文
撰写或编译
作者
Xing Zheng,Jian-Guo Cao,Wei-Dong Meng,Feng-Ling Qing
第一作者单位
出版社
Bioorg. Med. Chem. Lett., 2003, 13, 3423...
专著信息
书名
3-Deoxy-3,3-difluoro-D-arabinofuranose: first stereoselective synthesis and application in preparation of gem-difluorinated sugar nucleosides
语种
英文
撰写或编译
作者
Xingang Zhang,Hairong Xia,Xicheng D...