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Hypoxic imaging with ~(99m)Tc-HL91 single photon emission computed tomography in advanced nonsmall c
Tumoural hypoxia can influence response toradiotherapy and other treatments,andoxygenation status has proved to be a pr......
Hepatitis B virus(HBV) circulates in blood and replicates in the presence of quasispecies. During HBV replication, HBV D......
<正> We have isolated a photodynamic pigment from the natural sources of Hypocrella bambusae (B. et Br.) sacc. (Hypocrea......
<正> Glucagon is a polypeptide hormone of 29 amino acids which is synthesized by the α-cell of the islets of Langerhans......
<正> The activities of binary fused salt systems may be directly determined by emf measurement on reversible chemical ce......
SYNTHESIS OF POLYAMIDES FROM 3,3’-(ISOPHTHALOYLDIOXY)BIS(4-OXO-3, 4-DIHYDRO-1, 2, 3-BENZOTRIAZINE) A
<正> In a previous paper, we have reported the synthesis of polyamides from active dicster of N-hydroxy-5-norbornene-2, ......
<正> Reference samples of lithium isotopes can be prepared by mixing pure materials with moderately high content of eith......
<正> Much attention has been paid to the studies on the amine-peroxide redox system. Recently, some works have been publ......
<正> As methyl dihydrojasmonate has been known to be a popular perfume recently, its synthetic method has been intensive......
Alkynyl selenides were prepared under very mild conditions by reacting terminal alkynes with respective diorganic disele......
A Cu(Ⅰ)-catalyzed one-pot tandem reaction of 2-bromobenzyl bromides with 1,3-dicarbonyl compounds leading to 4H-chromen......
Hydrogels resulting from the self-assembly of small peptides are smart nanobiomaterials as their nanostructuring can be ......
Structures,stabilities,and IR and ~(13)C-NMR spectra of dihedral fullerenes:A density functional the
Dihedral fullerenes are thermodynamically stable molecules with D nd or D nh symmetry.Based on experimental findings,two......
Synthesis of Pt/C Electrocatalysts Under Protection of Glucose and Their Improved Methanol Electroox
Carbon supported Pt(Pt/C) electrocatalysts were prepared with glucose as protection agent and NaBH 4 as reductant.The Pt......
An efficient method for the synthesis of N-Cbz-β-aminoalkanesulfonamides was described.N-Cbz-β-aminoalkanesulfonamides......
ZnO nanorod arrays were fabricated in aqueous solutions under external voltages.The morphology and length of the nanorod......
Aqueous synthesis of CdSe and CdSe/CdS quantum dots with controllable introduction of Se and S sourc
A new and convenient route is developed to synthesize CdSe and core-shell CdSe/CdS quantum dots(QDs) in aqueous solution......
1,4-Dihydropyridine and polyhydroquinoline derivatives have been prepared efficiently in a one-pot synthesis via Hantzsc......
Melamine-(H_2SO_4)_3 and PVP-(H_2SO_4)_n as solid acids:Synthesis and application in the first mono-
Melamine and poly vinylpyrrolidone(PVP) reacted with neat sulfuric acid readily to form two new organic solid acids name......
Asymmetric Synthesis and Crystal Structure of (-)-N-[(3R)-3-Cyclohexyl]-3-phenylpropananoyl]bornane-
The title compound (-)-N-[(3R)-3-cyclohexyl]-3-phenylpropananoyl]bornane-10,2sultam (C 25 H 35 NO 3 S,M r=429.60),a deri......
Performance of a tubular oxygen-permeable membrane reactor for partial oxidation of CH_4 in coke ove
A gas-tight BaCo 0.7 Fe 0.2 Nb 0.1 O 3-δ(BCFNO) tubular membrane was fabricated by hot pressure casting.And a membrane ......
An approach to synthesis of(Z)-2-chloro-1,3-diarylpropen-1-ones by Vilsmeier reagent(bis-(trichlorom
A series of(Z)-2-chloro-1,3-diarylpropen-1-ones were unexpectedly synthesized in moderate yields by treatment of easily ......
Pipeline blockage by gas hydrates is a serious problem in the petroleum industry.Low-dosage inhibitors have been develop......
Alcohol transformation to transportation fuel-range hydrocarbon over HZSM-5 (SiO2/Al2O3=30) catalyst was studied at 360C......
Synthesis of naphthalene derivatives through inexpensive BF_3·Et_2O-catalyzed annulation reaction of
An inexpensive BF3·Et2O-catalyzed annulation reaction of arylacetaldehydes with arylalkynes has been developed. Various......
The magnetic nanoparticles supported silica sulfuric acid was used as an efficient catalyst for the synthesis of pyrimid......
Acylimidazolium acetate was readily prepared in situ from the reaction of imidazole with acetic anhydride and subsequent......
Glucose biosensor based on new carbon nanotube–gold–titania nano-composites modifed glassy carbon el
In this paper,a novel biosensor was prepared by immobilizing glucose oxidase(GOx)on carbon nanotube–gold–titania nanoc......
α, α’-Benzylidene bis(4-hydroxycoumarin) derivatives were readily prepared in a few minutes with good yields through......
Zinc oxide nanoparticles:A highly efficient and readily recyclable catalyst for the synthesis of xan
A novel and efficient route for the synthesis of 1,8-dioxooctahydroxanthenes and 14-aryl-14H-dibenzo[a,j]xanthenes is de......
Synthesis and optoelectronic properties of a novel molecular semiconductor of dithieno[5,6-b:11,12-b
A facile procedure for the synthesis of dithieno[5,6-b:11,12-b0]coronene-2,3,8,9-tetracarboxylic tetra(2-ethylhexyl)este......
Synthesis of 5-functionalized-1,2,3-triazoles via a one-pot aerobic oxidative coupling reaction of a
In this paper, an efficient synthesis of 5-alkynyl-1,2,3-triazoles through a one-pot aerobic oxidative coupling reaction......
A series of fluorescent siloxane-polyurethanes(HPMS-PUs) containing an amino-functionalized,1 8-naphthalimide,fluorescen......
Ring opening of aziridine with dialkyl amine took place readily in the presence of catalytic amounts of tri-n-butylphosp......
Suzuki–Miyaura cross-coupling reactions in water using in situ generated palladium(II)–phosphazane c
The phosphazane derivatives(L1–3) were readily obtained by reaction of different ratios of PCl3 and PhNH2. The L1–3 de......
Synthesis of 3-acylindoles via decarboxylative cross-coupling reaction of free(N–H) indoles with α-o
A convenient and general method for acylation of free(N–H) indoles via palladium-catalyzed decarboxylative cross-coupli......
Synthesis of chiral 1,3-bis(1-(diarylphosphoryl)ethyl)-benzenes via Ir-catalyzed double asymmetric h
1 General methods Unless otherwise noted, all reactions and manipulations involving air- or moisture-sensitive compounds......
A new, convenient and excellent yield procedure for the preparation of bis(indolyl)methanes(BIMs) by Friedel–Crafts rea......
An easy and rapid method for the a-bromination of ketones using N-bromosuccinimide(NBS) catalyzed by silica gel in metha......
N-Sulfonic acid poly(4-vinylpyridinum) hydrogen sulfate has been developed as a recyclable solid acid catalyst for the a......
Stereoselective approach for preparation ofα-difluoromethylα-propargylamines has been developed.1,2-Addition of lithiu......
A new magnetically separable catalyst consisting of ferric hydrogen sulfate supported on silica-coated nickel ferrite na......
The Keplerate‐type giant nanoporous isopolyoxomolybdate (NH4)42[MoVI72MoV60O372‐(CH3COO)30(H2O)72], denoted {Mo1......
The compound 2-(4-chlorophenyl)-1,4,5-triphenyl-1H-imidazole(1,C27H19ClN2) has been synthesized and its crystal structur......
A practical six-step synthesis of 12 methylated and hydroxylated isoflavanones was accomplished starting from readily av......
To date, few reports have been concerned with the physical properties of the liquid phases of imidazoles and benzimidazo......
A new synthetic method for phosphatidylethanolamine head group was developed via ring-opening of cyclic dioxaphospholane......
Two cationic iridium(III) complexes, [(pqcm)2Ir(pybz)](PF6) (Ir1) and [(pqcm)2Ir(apybz)](PF6) (Ir2) (pqcmH=2-phenyl-quin......
The macrocyclic ligand -H2 py N2-O3ane(2) was readily prepared in a diluted condition in THF.The mixture of 2 and Ni(O......
