SUBSTITUTED相关论文
IN-PP73:Transition-Metal Substituted Sandwich-type Germanomolybdate[Cu(en)2] [Cu(en)2(H20)] { [Cu(en
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<正> 4-iodophenoxyacetic acid （IC6H4OCH2COOH） is a plant growth control agent. It has been shown that strong O—H… O hydr......
A STUDY ON THE REACTIONPATH(INTRINSICREACTION COORDINATE) OF REARRANGEMENT OF VINYLIDENE TOACETYLENE
<正> At present, the intrinsic reaction coordinate (IRC)proposed by K. Fukui is a unique quantum chemical method that ca......
<正> A fast moving hemoglobin variant with a mobility similar to that of HbJ, being between HbA and Hb Bart’s, was dete......
<正> We have studied systematically the reactions of bis(cyclopentadienyl)metal dichlorides with phenol or substituted p......
薄电影上的 Electroabsorption (EA ) 大小 poly [o-(trimethylsilyl ) phenylacetylene ] 并且 poly [o-(trimethylsilylmethyl )......
[η<sub>5</sub>-OH<sub>3</sub>C（O）C<sub>5</sub>H<sub>4</sub>Cr（CO）<sub>2</sub>]<sub>2</sub>S 1, [η<sup>5</sup>-CH<sub>3</su......
Design,synthesis and biological activity of novel substituted pyrazole amide derivatives targeting E
In order to discover highly active ecdysone analogs, a series of new substituted pyrazole amide derivatives were obtaine......
An efficient synthetic method was developed to synthesize 2-substituted benzimidazoles and benzo- xazoles with β-keto e......
SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING B
Novel copolymerization of ethylene with substituted allenes(CH_2=C = CH—R,1:R = n-butyl,2:R =n-octyl) using bis(β-enam......
A series of new amino alcohols derivatives was synthesized with 6-bromo-2-tetralone as starting material, 6-substituted-......
The reaction of ethyl α-bromocinnamates with tetrabutyl ammonium fluoride(TBAF) was influenced largely by the position ......
A series of novel 7-amide substituted-4-androstene-3,17-dione derivatives(8αa “8αh or 8βa ”8βh) was synthesized fr......
Reaction mechanism and chemoselectivity of gold(Ⅰ)-catalyzed cycloaddition of 1-(1-alkynyl) cyclopro
The mechanisms of gold(Ⅰ)-catalyzed cycloaddition of 1-(1-alkynyl) cyclopropyl ketones with nucleophiles have been inve......
A Cu(Ⅰ)-catalyzed one-pot tandem reaction of 2-bromobenzyl bromides with 1,3-dicarbonyl compounds leading to 4H-chromen......
A novel diaminophosphine oxide was synthesized and applied as ligand in palladium-catalyzed Suzuki couplings reaction of......
Cross double Mannich reaction and tandem cyclization were achieved under iodine catalyzed conditions,yielding a series o......
A novel one-pot protocol for the synthesis of substituted 2-aminooxazoline from isonitriles and 2-aminoethanol was devel......
A new approach to the facile synthesis of 2-substituted-quinazolin-4(3H)-ones and its derivatives using the condensation......
ETHYLENE/1-HEXENE COPOLYMERIZATION BY SALICYLALDIMINATO VANADIUM(Ⅲ) COMPLEXES ACTIVATED WITH DIETHYL
Mono salicylaldiminato vanadium(Ⅲ) complexes(1a-1f)[RN = CH(ArO)]VCl_2(THF)_2(Ar = C_6H_4(1a-1e),R = Ph,1a;R = p-CF_3Ph......
Visible-light photocatalytic H_2 evolution over a series of transition metal substituted Keggin-stru
The visible light photocatalytic H 2 evolution activities of a series of transition-metal substituted Keggin-structure h......
Novel acetylene terminated silazane compounds,with three types of substituent,were synthesized by the aminolysis of dich......
Structural properties of hydroxyl-substituted alkyl benzenesulfonates at the water/vapor and water/d
Molecular dynamics simulations have been performed to investigate the structural properties of hydroxyl-substituted alky......
4-Amino-3-(p-chlorophenyl)-5-(p-methoxybenzyl)-4H-1,2,4-triazole:X-ray and DFT-calculated Structures
The title compound, 4-amino-3-(p-chlorophenyl)-5-(p-methoxybenzyl)-4H-1,2,4- triazole I , C16H15ClN4O), has been determi......
Charge transport properties of F, OH, OCH3, SH and SCH3-substituted tetra- benz[a,c,h,j]- anthracene derivative molecule......
Design,synthesis and in vitro antibacterial activities of methyl-4-((substituted phenyl)[6H-indolo(2
A series of new methyl-4-((substituted phenyl)[6H-indolo(2,3-b)quinoxalin-6yl]methylamino)benzoate derivatives have been......
With the B3LYP calculation method of density functional theory(DFT)and the 6-31G* basis set,full optimization calculatio......
n-Butyltriphenylphosphonium peroxodisulfate:A cheap and efficient reagent for the aromatization of H
Different 4-substituted 1,4-dihydropyridines have been oxidized to pyridine derivatives by n-butyltriphenyl phosphonium ......
Synthesis of α-fluoro-β-amino acids via the Reformatsky reaction of chiral N-tert-butylsulfinylimine
Treatment of chiral N-tert-butyl sulfinylimines with ethyl bromofluoroacetate in the presence of activated Zn dust in TH......
Reaction of isatoic anhydride with aniline derivatives gave 2-amino-N-(aryl)benzamides.The latters reacted with phenyli-......
Synthesis and antiviral bioactivities of novel chiral bis-thiourea-type derivatives containing α-ami
Starting from 1-((1R,2R)-2-aminocyclohexyl)-3-substituted thioureas (3a–c) and substituted isothiocyanates (9a–d),chir......
A new series of benzamide derivatives as glucokinase activators(GKAs) were designed and synthesized,and their activation......
Preparation of Eu~(3+) Complex of Phenyl-Carboxyl 1,2-dissubstituted Polyacetylene and Its Fluoresce
We had prepared rare earth-functional polymer light-emitting materials using the PPhPA as the ligand with Eu complexatio......
Based on the active site of lanosterol 14α-demethylase of azole antifungal agents,sixteen 1-(1H-1,2,4-triazole-1-yl)- 2......
The VUV-UV spectroscopic properties of Ce3+ in Ba2Mg(BO3)2,Ba2Ca(BO3)2 and Sr2Mg(BO3)2 were compared,and the relation be......
Synthesis of biodegradable poly (methylparaben/glycine ethyl ester) phosphazene and further research
Polydichlorophosphazene(PDCP)was synthesized from PCl5 and NH4Cl via a one-pot approach,and then further reacted with gl......
A P-substituted sulfonyl-containing compound was synthesized in the lab. The structure of the compound was demonstrated ......
Design, Synthesis and Antifungal Activity of 6-Fluoro-3,3a,4,5-tetrahydro-2H-pyrazolo[4,3-c]-quinoli
A series of 6-fluoro-3,3a,4,5-tetrahydro-2H-pyrazolo[4,3-c]quinoline-2-carboxamide derivatives was designed based on the......
Synthesis and bioactivity of novel coumarin derivatives containing(E)-methyl 2-(methoxyimino)-2-phen
Ten coumarin derivatives containing(E)-methyl 2-(methoxyimino)-2-phenylacetate were synthesized and bioassayed.The compo......
Intermolecular cyclocondensation reaction of 3,4-dihydropyrimidine-2-thione under the Mitsunobu reac
A self-intermolecular cyclocondensation reaction of 3,4-dihydropyrimidine-2-thione(DHPM) to give a novel tricyclic struc......
Anti-tumor Metastasis and Crystal Structure of N~1-(1,3,4-Thiadiazole-2-yl)-N~3-m-chlorobenzoyl-urea
The title compound N 1-(1,3,4-thiadiazole-2-yl)-N 3-m-chlorobenzoyl-urea (C 9 H 7 N 4 OSCl,M r=254.70) was prepared by t......
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......
An aqueous solution of hydrogen peroxide and hydrogen bromide illuminated by a 60 W incandescent light bulb serves as a ......
Several 6-aminoquinoline derivatives,which could be used in drug design,have been synthesized.The reaction conditions we......
Sulfonylurea herbicides have been applied worldwide in agriculture. Some sulfonylurea residues might exist in soil longe......
Effect of surface acidity and pore size of Al-substituted plugs-containing SBA-15 and MCM-41 silicas
We reported here the simultaneous influence of surface acidity and pore size of Al-substituted hexagonal mesoporous sili......
Asymmetric conjugated addition of allylcopper reagents derived from an allyl Grignard reagent and CuBr·Me_2S to chiral......
Formamidine derivatives could be used as the building blocks for substituted heterocyclic compounds with various biologi......
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......
An efficient synthesis of substituted 1,4-diazepines by a Pd catalyzed amination and sequential hydr
An efficient synthesis of substituted 1,4-diazepines is developed.The accessible intermediates have been obtained via Pd......
