methoxyl相关论文
A fast and convenient C―S bond formation reaction was achieved catalyzed by CuI/L-proline in aqueous two-phase system p......
A new mono-nuclear Mn(Ⅱ) complex [Mn(MPT)2(NCS)(HOCH3)]ClO4(MPT = 2-methoxyl-1,10-phenanthroline) has been synthesized ......
Syntheses, Crystal Structures and Properties of Two Metal-organic Complexes Based on 5-(4-Pyridyl)-m
Two new metal-organic frameworks, [Co3L2(NO2)2 (H2O)2]n (1) and{[Ni(L)(H2O)5 ]·(H2O)2 ·DMF}n(2, H2 L = 5-(4-pyridyl)-m......
Novel Bis-β-diketone-type Ligand and Its Copper and Zinc Complexes for Two-photon Biological Imaging
A curcumin derivative ligand,1,7-bis(3-methoxyl-4-oxyethylacetate)phenyl-1,6-heptadiene-3,5-diketone (diethyl acetatecur......
N-(2,3-Dimethyl-phenyl)-N’-(methoxyl formyl)thiourea was synthesized by the reacting of 2,3-dimethylaniline,potassium t......
Metal complexes of a novel bis-β-diketone-type ligand and its copper(Ⅱ) complexes of two-photon biol
A curcumin derivative ligand,1,7-bis(3-methoxyl-4-acetoxyl)phenyl-1,6-heptadiene-3,5-diketone (diacetylcurcumin,abbrevia......
Two new pleuromutilin derivatives, 14-O-[(4-amino-6-methoxyl-pyrimidine-2-yl)-thioacetyl] mutilin(4) and 14-O-[4-amino-1......
Precise Molecular Weight Determination and Structure Characterization of End-functionalized Polymers
We present here the application of one-dimensional and two-dimensional NMR techniques to characterize the structure of m......
The open-circuit voltage(V_(oc))is one of the important parameters that influence the power conversion efficiency(PCE)of......
Stereoselective Synthesis of (E)-and (Z)-1,2-Disubstituted Ethene from Polymer-Supported Vinylic Sel
This letter describes a method for the stereoselective synthesis of polymer supported vinylic selenides and their appli......
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......
Three new diterpenes,taxamairin A(1),taxamairin B(2)and taxamairin C(3),were iso-lated from the bark of Taxus mairei(Le......
阿魏酸根(Ferulate)是阿魏、川芎、当归等中草药及某些治疗心血管病新药的有效成份,阿魏酸又称为3-甲氧基-4-羟基肉桂酸(3-methox......
A new phenanthraquinone, cypripediquinone A, was isolated from the rhizome of Cypripedium macranthum (Orchidaceae ) and ......
Dasycarine, a new quinoline alkaloid along with five known compounds, dictamine, dihydroobacunone, obacunone, fraxinello......
Treatment of lappaconitine 1 with HIO4 at room temperature afforded 2 in 41% yield, to which Br2-HOAc solution was added......
3-Acetamidotropolone 1 reacted with p-substitutedbenzenediazonium chloride in pyridine to afford 3-acetamido-5-(4-substi......
The crystal of the title compound, 3-(4′-Methoxyl)-phenyl-5-cyano-6-methylthio pyrimidine-2, 4-diones, ([C13H11N3O3S]2,......
S)-2-(6’-methoxyl-(-naphthyl) propionic acid ((S)-Naproxen, ee 99%) has been prepared starting from (6-methoxyl-α-naph......
Three derivatives of micromelin, named hydramicromelins A-C (1-3), were isolated from the aerial part of Micromelum inte......
Two new eremophilane sesquiterpenes 3β-angeloyloxy-8α-hydroxy-6β-methoxy eremophil-7 (11), 9 (10)-dien-8, 12-olide (1......
A new flavone glycoside, 5,8-dihydroxy-4’,6,7-trimethoxyflavone 8-O-(-D-glucopyranoside 1, together with three known fl......
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......
Synergistic effects of cellobiose dehydrogenase and manganese-dependent peroxidases during lignin de
The synergistic effects of cellobiose dehydro-genase (CDH) and manganese-dependent peroxidases (MnP) on the degradation ......
Novel Chromone Derivatives from Marine Fungus Aspergillus versicolor Isolated from the Sponge Xestos
From the marine sponge Xestospongia exigua, fungal isolates of Aspergillus versicolor (Vuill)Triab were obtained. Isolat......
Two new dammarane glycosides named notoginsenoside T1 and T2 were isolated from the mild acid hydrolysis products of the......
A new dihydroflavone (1), named macrophyllol A, was isolated from the roots of Uvaria macrophylla. Its structure was el......
From the underground parts of Glehnia littoralis Fr. Schmidt ex Miquel (Umbelliferae), a new compound named glehnilate w......
A new abietane diterpenoid, orthosiphonol (11-methoxy-12, 14-dihydroxy-8, 11, 13-abieta trien-7-one) (1) together with k......
A simplified procedure for enantioselective synthesis of (S)-(+)-2-(6-methoxyl-2- naphthyl) propionic acid ((S)-(+)-napr......
A new furostanol saponin presenting moderate bioactivity of inducing morphological deformation of Pyricularia oryzae myc......
Two alkaloids tylophoridicine D (1) and tylophoridicine E (2) have been isolated from Tylophora atrofolliculata. The st......
methylenedioxy-9-methoxy-N-methoxycarbonyl-aporphine and 1,2-methylenedioxy -8,9-dimethoxy-N-methoxycarbonyl-aporphine, ......
A new flavone, 6, 2-dihydroxy-5, 7, 8, 6-tetramethoxyflavone, was isolated from the roots of Scutellaria baicalensis. I......
A new benzylisoquinoline alkaloid, 1, 2, 3, 4-tetrahydro-5-hydroxyl-8-methoxyl-2- methyl-4’-methoxyl-benzylisoquinoline......
Two new xanthone glycosides, securixanside B and C, were isolated from the stems of Securidaca inappendiculata. Their st......
A new bibenzyl derivative, 3,4-dihydroxy-4,5-dimethoxy bibenzyl, was isolated from a orchid Dendrobium moniliforme. The......
A new compound 8-chloro-5,6,7-trihydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one(1) was iso......
Two new xanthone glycosides, polygalaxanthone IV and V were isolated from the roots of Polygala tenuifolia Willd. Their......
The effects of soil water regime and soil reaction on nitrogen distribution and fractional composition of newly-formed ......
In the present paper, the composition of humus and the charateHstics of humic acid from seven paddy soils were compared......
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......
从毛茛科植物威灵仙 Clematis chinensis Osbeck 的根中分得两个新化合物clemaphenol A (I)和二氢-4-羟基-5-羟甲基-2(3H)-呋喃酮......
One new monoterpenoid indole alkaloid,11-methoxyburnamine-17-O-3’,4’,5’-trimethoxybenzoate(1),was isolated from Rauvo......
A new chalcone glycoside,butein-4-methoxyl-4’-O-(6“-O-acetyl)-β-D-glucopyranoside(2),along with seven known compounds......
Two new chalcones,β,2′,4′,5′-tetramethoxychalcone 1,andβ,2′,5′-trimethoxyfurano[4″,5″:3′,4′]-chalcone 2 were ......
Two allelopathic rice accessions, PI312777 and Allelopathy1, significantly suppressedthe growth of associated weeds in t......
Objective To study the constituents in the twigs and leaves of Rhododendron primulaeflorum. Methods The constituents wer......
从兴安升麻根茎中分离得到1个新化合物cimicifugamideA(1)和4个已知化合物trans-feruloyl tyramine4-O-β-D-glucopyranoside(2)、......
