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Monofluoromethylation has attracted substantial attention in organic synthesis, owing to the increasing important applic......
Characteristics of unsaturated soil slope covered with capillary barrier system and deep-rooted gras
Rainfall-induced slope failures commonly occur in residual soil slopes.Slope failures are triggered by the reduction in ......
The water collector is operated in the humid and hot environment of the cooling tower all the year round.It also needs t......
The cracking mechanism of unsaturated soils due to evaporation is poorly understood, and the magnitude of crack spacing ......
AIM: To examine whether poly-unsaturated fatty acid(PUFA) therapy is beneficial for improving nonalcoholic steatohepatit......
Increased catabolism and decreased unsaturation of ganglioside in patients with inflammatory bowel d
AIM: To investigate whether accelerated catabolism of ganglioside and decreased ganglioside content contribute to the et......
<正> Arteannuin 1 which was shown to be a new sesquiterpenoid containing a peroxide group is an antimalaria active princ......
<正> In the study of thermal degradation of high polymers, Madorsky and Straus suggested that degradation of polychlorot......
THE MORSE POTENTIAL FUNCTION AND TEMPERATURE DEPENDENCE OF CRITICAL RESOLVED SHEAR STRESS OF IRON SI
<正> In a previous work of ours on molybdenum single crystals, we have assumed that an unsaturated chemical exchange bon......
<正> In recent years, increasing attention has been given to unsaturated carbenes which provide a convenient way for the......
The characteristics of a staged bubble column can be described by a multi-stage backmixing model,provided: (1) Each sta......
为由使用有限元素方法的一个不饱和的流动问题的一个数字模型被建立以便与同类的土壤和深表面下的水，并且与在一个不饱和的地区模仿......
By employing the plane wave analysis method, the dispersion equations associated with compressional and shear waves usin......
TiO_2 nanoparticles as an effective catalyst for the synthesis of hexahydro-2-quinolinecarboxylic ac
The one-pot three-component reaction of arylmethylidenepyruvic acids,1,3-cyclohexandiones and ammonium acetate provides ......
Synthesis of functionalized triphenylene discotic liquid crystals and the influence of unsaturated p
Twelve triphenylene discogens with unsaturated periphery (abbreviated as C18H6(OC5H11)6-x(OR)x(x=1,2,3), R=-C3H6CH==CH2(......
Selective hydrogenation of α, β-unsaturated aldehydes with modified Pd/C catalyst was developed.The reduction of C=O b......
Efficient preparation of trans-α,β-unsaturated aldehydes from saturated aldehydes by oxidative enami
A mild and highly efficient amine-catalyzed,IBX-mediated oxidation of aldehydes to(E) selective α,β-unsaturated aldehy......
Sulfamic acid as a cost-effective and recyclable solid acid catalyst for Friedel-Crafts alkylation o
Sulfamic acid was proved to be a cost-effective and recyclable catalyst for Friedel-Crafts type reaction of indole with......
Asymmetric conjugated addition of allylcopper reagents derived from an allyl Grignard reagent and CuBr·Me_2S to chiral......
SMFs-supported Pd nanocatalysts in selective acetylene hydrogenation:Pore structure-dependent deacti
In the present study,CNFs,ZnO and Al2O3 were deposited on the SMFs panels to investigate the deactivation mechanism of P......
Curing behaviors of the unsaturated polyester resin (UPR) containing 1-1.8 wt% methyl ethyl ketone peroxide (MEKP) initi......
The epoxidation of unsaturated fatty acid methyl esters(FAMEs)by peroxyacetic acid generated in situ from hydrogen perox......
Bi(OTf)3-catalyzed tandem reaction of naphthols with β,γ-unsaturated a-ketoesters.Efficient synthesi
An efficient synthesis of functionalized 4H-chromenes by the tandem reaction of b,g-unsaturated aketoesters with 2-napht......
Lipase-catalyzed Knoevenagel condensation between α,β-unsaturated aldehydes and active methylene com
A simple and efficient Knoevenagel condensation between a b-unsaturated aldehydes and active methylene compounds is repo......
A short formal stereoselective synthesis of(-)-swainsonine(1) is described.Our synthesis started with the versatile buil......
A dabco-based basic ionic liquid,1-butyl-4-aza-1-azaniabicyclo[2.2.2]octane hydroxide,has been developed as a catalyst f......
Catalytic conjugate addition of indole toα,β-unsaturated ketones by Co(ClO_4)-2·6H_2O/bis-Schiff bas
Co(ClO_4))_2·6H_2O/bis-Schiff base complexes promoted the conjugate addition of indole toα,β-unsaturated ketones unde......
将手性二茂铁双膦配体ImiFerroPhos应用到β-取代-α,β-不饱和磷酸酯的不对称氢化反应中,在温和的反应条件下,以高收率及较高对映......
A series of fluorinated unsaturated esters which can be used as fluorine-containing monomers have been synthesized. The ......
Divergent pathways of β,γ-unsaturated α-diazocarbonyl compounds catalyzed by dirhodium and Lewis aci
β,γ-Unsaturated a-diazocarbonyl compounds possess two reactive sites for electrophilic addition-one at the diazo carbo......
DABCO-based ionic liquids:Green and efficient catalysts with a dual catalytic role for aza-Michael a
Four recoverable and reusable ionic liquids based on 1,4-diazobicyclo[2.2.2]octane(DABCO) have been synthesized to catal......
Methane conversion has been studied using gliding arc plasma in the presence of argon.The process was conducted at atmos......
Synthesis and Crystal Structure of (E)-Ethyl (9-bromo-5-oxo-4-phenyl-1,10b-dihydro-5H-pyrano3,4-cchr
The crystal structure of the title compound (C22H17BrO5 , Mr = 441.27) has been determined by single-crystal X-ray diffr......
A short and efficient stereoselective synthesis of a styryllactone (-)-isoaltholactone has been achieved in seven steps ......
The complexation behavior of unsaturated fatty hydrocarbons,i.e.,1,7-octadiyne and 1,7-octadiene,by a perethylated pilla......
The selectivities,including peri-,regio-,and diastereoselectivities,in the Staudinger reaction involving vicinal diimine......
Dipyridyl-functionalized salan ligand (H2L) was synthesized to construct a mono- nuclear Cu(salan) complex, [CuL(CH3CN)2......
A manganese-catalyzed bicyclic annulation of imines with α,β-unsaturated esters via C–H activation is described, whic......
A new breakthrough in selective catalysis: metal-organic framework nanocomposites with sandwich stru
<正>Selective hydrogenation of C=O group that is conjugated with a C=C group in a,b-unsaturated aldehydes(R–CH=CH–CHO)......
Regioselective synthesis of α-bromo-α,β-unsaturated carbonyl compounds via photocatalytic α-brominat
A visible light-mediated approach for the preparation of α-bromo-α,β-unsaturated ketones and aldehydes was developed.......
Solvothermal Synthesis,Crystal Structure and Characterizations of a Novel 2D Organic Decorated Manga
A novel 1,2-diaminocyclohexane(1,2-DACH) decorated manganese thiostannate,namely MnSnS_3(1,2-DACH)(1),has been solvother......
N-Alkylated benzimidazole derivatives have been synthesized via the aza-Michael addition reactions of1H-benzimidazoles t......
A novel bromination of α,β-unsaturated carboxylic acids was developed via a decarboxylation by virtue of a direct anod......
An intramolecular organocatalytic enantioselective aza-Michael reaction of carbamates, sulfonamides and acetamides to a,......
A novel and concise synthetic access to enantiopure chiral 2-aryl/alkyl substituted 4-piperidone has been demonstrated.T......
Efficient and mild cyclization procedures for the synthesis of novel 2-amino-4H-pyran derivatives wi
A series of novel 2-amino-4H-pyran derivatives have been synthesized via a three-component reaction of a, b-unsaturated ......
Water effect on band alignment of GaP: A theoretical insight into pyridinium catalyzed CO_2 reductio
GaP has been shown to have good photo-catalytic activity in pyridinium catalyzed CO_2 reduction. The photo-excited elect......
A general and efficient Lewis acid catalysed Mukaiyama-aldol reaction of difluoroenoxysilanes and ke
We report a general and highly efficient Mukaiyama-aldol reaction of ketones and difluoroenoxysilanes.While the reaction......
One-pot synthesis of cyclic aldol tetramer and ?, β-unsaturated aldol from linear aldehydes using qu
One-pot synthesis of cyclic aldol tetramer and α, β-unsaturated aldol from C3-C8 linear aldehydes using phase-transfer......
Boroles are five-membered,unsaturated heterocycles with an antiaromatic 4π-electron BC_4 ring.According to Breslow’s e......
