dimethoxy相关论文
To compare the cytotoxicity of different gallate compounds and analyze the effect of gallate compounds at different conc......
Two bioactive natural 4-arylcoumarins,5,7,4’-trimethoxy-4-phenylcoumarin(1a),5,7-dimethoxy-4-phenylcoumarin(1b) and fiv......
Prediction of the ~(13)C NMR Chemical Shifts of 9,10-Dihydrophenanthrene Analogues by the GIAO Metho
After the geometry optimizations at the B3LYP/6-31+G(d,p) level, the NMR calculations of a series of 9,10-dihydrophenant......
The hydrolysis reaction of azoxystrobin in a methanol solution was studied, obtaining a novel compound 3,3-dimethoxy-2-(......
Three new biphenyls, 4,7,8-trimethoxy-2,3-methylenedioxydibenzofuran(1), 7-hydroxy-4,8-dimethoxy-2,3-methylenedioxydiben......
A series of poly(aryleneethynylene)s containing dibenzosilole unit has been synthesized by palladium-catalyzed Sonogashi......
A new energetic material,4,5-dimethoxy-2-(dinitromethylene)imidazolidine(DMDNI),was synthesized by the reaction of 4,5-d......
Production of high-quality agarwood in Aquilaria sinensis trees via whole-tree agarwood-induction te
We used whole-tree agarwood-induction technology to produce agarwood from Aquilaria sinensis trees within 20 months,and ......
Synthesis and Crystal Structure of 1,7,8,9-Tetrachloro-4-benzyl-10,10-dimethoxy-4-azatricyclo(5,2,1,
The crystal structure of 1,7,8,9-tetrachloro-4-benzyl-10,10-dimethoxy-4-azatricyclo-(5,2,1,02,6)dec-8-ene-3,5-dione (C18......
One new isobenzofuranone derivative,1,4-dimethoxy-3-(3R*-hydroxy-3R*-methyl-1-tetralone)-1(3H)-isobenzofuran(1),was isol......
Investigation of Intermolecular C-H···Halogen Hydrogen Bonded Supramolecular Assemblies in Three Cop
Three new crystalline compounds 1-3 were successfully obtained by the reactions of 3,3’-dimethoxy-6,6’-dimethyl-2,2’-......
采用硅胶柱色谱、Sephadex LH-20、半制备HPLC等柱色谱技术,从藏药波棱瓜子中分离得到4个化合物,通过化合物的理化性质和波谱数据......
Synthesis and biological evaluation of tetrahydroisoquinoline derivatives as potential multidrug res
Tetrahydroisoquinoline derivatives were synthesized and their multidrug resistance reversal activities were evaluated in......
An operationally simple and eco-friendly protocol has been developed for the synthesis of N-sulfonyl-1,2,3,4-tetrahydroi......
A Novel Phenoxyimine-based Schiff Base Ligand and Its Mononuclear Nickel(Ⅱ) Complex:Synthesis,Crysta
A novel phenoxyimine-based Schiff base ligand and its mononuclear complex [C_(58)H_(52)N_2NiO_2](L = 2-benzhydryl-4-dime......
目的通过UFLC-QTOF-MS技术,评价通脉颗粒的质量。方法对10个生产企业的61批次的通脉颗粒,采用Agilent proshell 120(100 mm×3.0 m......
1,3-Dipolar cycloaddition reaction for diastereoselective synthesis of functionalized dihydrospiro[i
The BF_3OEt_2 catalyzed one-pot 1,3-dipolar cycloaddition reaction of benzylamines,isatins and dimethyl acetylenedicarbo......
Photo-induced Living Cationic Copolymerization of Isobutyl Vinyl Ether and Vinyl Ether with Carbazol
In this work, a fluorescent monomer 2-(9-carbazolyl) ethyl vinyl ether(CEVE) was synthesized in our lab, and its photo-i......
Cerium(Ⅳ) ammonium nitrate(CAN)-mediated regioselective synthesis and anticancer activity of 6-subst
6-Substituted 5,8-O-dimethyl-1,4-naphthoquinones(6-DMNQ),the promising anticancer scaffolds,were selectively generated b......
Based on Hall et al. electrotopological state indices(EK) of atom types, two quantitative structure-activity relationshi......
ASYMMETRIC SYNTHESIS——ENANTIOSELECTIVE SYNTHESIS OF (R)-α-AMINO ACIDS USING L-ISOLEUCINE AS CHIRAL A
Enantioselective synthesis of (R)-α-amino acids via heterocyclic intermediate-(3S)-2,5-dimethoxy-3-see-butyl-3, 6-dihy......
Therapeutic Effect of Dimethyl Dimethoxy Biphenyl Dicarboxylate on Collagen-Induced Arthritis in Rat
Objective:To study the effect of oral administration of dimethyl dimethoxy biphenyl dicarboxylate(DDB) on adjusting angi......
Photochemistry of heterocycles——VIII. photocycloaddition of acetylenic compounds to 1,3-dimethyl-6-a
The photocycloadditions of 1,3-dimethyl-6-azathymine to 2-butyne-1,4-diol and 1,4-di-methoxyl-2-butyne have been studie......
Studies on the chemical constituents of Eucalyptus robusta Sm.——Isolation and identification of robu
Nine known compounds, 5-hydroxy-4’,7-dimethoxy-6, 8-dimethylflavone, 4’,5-dihydroxy-7-methoxy-6, 8-dimethyIflavone, 3......
The reaction of N-substituted-benzenesulfonyl-N’-(4,6-disubstituted-s-triazin-2-yl)-ethylene diamines with tri(dialkyl......
The title compound is separated from the ginkgo hairy root culture. This compound (C 11 H 10 O 5, M r=222.19),......
A facile synthetic route for two chalcone analogues was developed. The key step was selective deprotection of MOM in ar......
A new phenolic compound, thamnolin (1), was isolated from the extract of Thamnolia vermicularis. Its structure was dete......
Synthesis and crystal structure of nickel(Ⅱ) and zinc(Ⅱ) complexes with 2,4-bis(3,5-dimethylpyrazol-
2,4-Bis(3,5-dimethylpyrazol-1-yl)-6-methoxyl-1,3,5-triazine(bpt) has been synthesized by using a new, simple and general......
The present paper reports the synthesis of two analogs of Schzandrin C (-DDB, (-DDB with the gallic acid as the starting......
Solvent effects on infrared spectra of 2-Methyl-4,5-dimethoxy-3-oxo-2H-pyridizine: Part 2. Binary So
This research on the solvent effects of 2 methyl 4,5 dimethoxy 3 oxo 2H pyridizine (MDOP) in binary solvent syste......
Solvent effects on infrared spectra of 2-methyl-4,5-dimethoxy -3-oxo-2H-pyridizine: Part 1. Single s
Infrared spectroscopy studies of 2 methyl 4,5 dimethoxy 3 oxo 2H pyridizine (MDOP) in 12 pure organic solvents we......
期刊
The title compound (C19H25NO4, Mr = 331.40) was synthesized and its crystal structure was determined by single-crystal X......
New Chiral Ligand N-Toluenesulfonyl-2,2′-dimethoxy-6,6′-diaminobiphenyl for Catalytic Asymmetric Tra
A new chiral ligand N p toluenesulfonyl 2,2′ dimethoxy 6,6′ diaminobiphenyl (Ts DMBDPPA) was prepared f......
methylenedioxy-9-methoxy-N-methoxycarbonyl-aporphine and 1,2-methylenedioxy -8,9-dimethoxy-N-methoxycarbonyl-aporphine, ......
Two new dibenzofurans, 7,8-dimethoxy-4-methyldibenzofuran-1-carboxaldehyde, named ligumedial (1) and 7,8-dimethoxy-4-met......
A new bibenzyl derivative, 3,4-dihydroxy-4,5-dimethoxy bibenzyl, was isolated from a orchid Dendrobium moniliforme. The......
采用真空热蒸镀的方法,以荧光染料1-(2,5-dimethoxy-4-(1-pyrenyl)-phenyl)pyrene(DOPPP)为蓝发光层,5,6,11,12-Tetraphenylnaphth......
美国南部经常利用杀虫剂来保护谷类和油料种籽在贮藏期间免受害虫为害,CGA-20168杀虫剂[Methyl 3-(dimethoxy phosphinothioy 1)-......
Inhibition of Fas/FasL mRNA expression and TNF-a release in concanavalin A-induced liver injury in m
AIM:Bicyclol,4,4’-dimethoxy-5,6,5’,6’-dimethylene-dioxy-2-hydroxymethyl-2’-carbonyl biphenyl,is a new anti-hepatiti......
This paper reports the total synthesis of (±) schizandrin, C, namely S, 6, 7, 8-tetrahydro-1,12-dimethoxy-2, 3, 10, 11......
目的 研究月腺大戟的化学成分。方法 运用柱层析进行分离 ,并对所分得的化合物运用波谱数据进行了结构解析。结果 从月腺大戟中......
Isolation and Purification of Xanthones from Lomatogonium carinthiacum (Wulf) Reichb by HSCCC and HP
[Objective]To isolate and purify the xanthones from Lomatogonium carinthiacum. [Methods] High-speed counter-current chro......
五加参精系采用五加科植物——刺五加A.senticosus(Rupr.et Maxim.)Harms.为原料,经提取制成。对失眠多梦、心悸健忘、食欲不振有......
从番荔枝科植物金钩花(Pseuduvaria indochinensis Merr.)的茎皮中分离鉴定了4种生物碱成分,分别为:dehydroscoulerine, lirioden......
A novel compound, 6, 2’-dimethoxy-5, 4’, 5’-trihydroxyflavone(1), was isolated from Teucrium quadrifarium Buch-Han(L......
从唇形科香科科属植物铁轴草(Teucrium quadrifarium)中分离得的四个黄酮化合物。经UV,IR,MS,NMR以及化学反应等方法,分别鉴定其结......
经工业酒精提取和硅胶柱层析,从藤春叶中分得一个新的Azafluorenone(onychine) 型生物碱6 ,7dimethoxy5hydroxy onychine, ......
