tetramethyl相关论文
<正> Calonyction aculeatum L. House belongs to the family of Convolvulaceae. It was demonstrated on some farms and by th......
Spherical porous silica microparticles were synthesized by a sol-gel process in the presence of porous CaCO3 particles,f......
Simple and efficient method for synthesis of metallodeutero-porphyrin derivatives bearing symmetrica
A novel thiol-derivative porphyrin[2,7,12,18-tetramethyl-13,17-di(3-disulfidepropyl)porphyrin]bearing the symmetrical di......
A magnesium metal organic framework, [NH2(CH3)2][N(CH3)4][Mg5(bpdc)3(O2CH)6]· 3H2O (1, bpdcH2 = 4,4′-biphenyldicarboxy......
Sym-bis(benzimidazole)-2,2’-ethylene cations act as a new axle template for threading cucurbit[6]uril derivatives on,fo......
Heterolytic and homolytic C-D bond dissociation energies of three NADH models:BNAH-4,4-d2,HEH-4,4-d2 and AcrD2 in aceton......
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......
The synthesis,self-assembly and electrocatalytic property of a novel disulphide derivatised cobalt(I
A novel disulphide derivatised deuteroporphyrin 2,7,12,18-tetramethyl-13,17-(propionylaminoethyldithioethyl amino-formy-......
Synthesis, characterization and thermostability of tris(2,2,6,6-tetramethyl-3,5- heptanedionato)yttr
The metal-organic chemical vapor deposition (MOCVD) technique is a promising process for high temperature superconductor......
Three novel flame retardants containing both phosphorus and silicon elements in their structures,including[(1,1,3,3- tet......
An expedient,synthetic method to fused polycyclic derivatives of isoquinoline is described via tandem reaction of isoqui......
在无催化剂条件下,以离子液体[BPY][BF4]为溶剂,以易得的芳香醛和达米酮为原料,一锅法合成了一系列2H-氧杂蒽类化合物,通过IR和1 H......
By using weakly coordinating anions we succeeded in the stabilization and isolation of two Würster’s blue-based diradi......
Triphenyl Phosphine Oxide and Carbazole-based Polymer Host Materials for Green Phosphorescent Organi
Four novel polymers, poly(3,6-9-decyl-carbazole-alt-1,3-benzene)(PB13CZ), poly(3,6-9-decyl-carbazole-altbis(4-phenyl)(ph......
Imidazol-1-yl-acetic acid as a novel green bifunctional organocatalyst for the synthesis of 1,8-diox
Imidazol-1-yl-acetic acid is introduced as a new,efficient and recyclable green bifunctional organocatalyst for the synt......
In this study,1,3-disulfonic acid imidazolium hydrogen sulfate(DS1MHS) is used as an efficient and reusable ionic liquid......
Syntheses,Crystal Structures and Magnetic Properties of Two Nitrophenyl Substituted Nitronyl Nitroxi
Syntheses, structures and magnetic properties of two nitrophenyl substituted nitronyl nitroxide radical-lanthanide compl......
In this work,we have designed an efficient and convenient method for the synthesis of novel spiro[indene-2,2’-[1,3,5]ox......
STUDIES ON METHYL METHACRYLATE POLYMERIZATION INITIATED WITH PIPERIDINE DERIVATIVES AND ORGANIC PERO
The polymerization of methyl methacrylate(MMA) initiated with piperidine derivatives,such as,piperidine(P),2,2,6,6-tetr......
Tropomyosin (TM) extracted from pig cardiac muscle was spin-labeled with 2,2,6,6-tetramethyl-4-(dichlorotriazin)-aminopi......
GENERATION OF RADICAL CATIONS——A FACILE GENERATION OF RADICAL CATIONS VIA THE ACTION OF AN OXOAMMONI
The reaction between a stable nitroxide, 2, 2, 6, 6-tetramethyl-4-chloropiperidinyl-1-oxy, la and aromatic amines and h......
The phase of AlPO-21 was hydrothermally synthesized in the reactant system of diethylamine-RB-Al_2O_3-P_2O_5-H_2O-C_2H_5......
Asymmetric pinacol coupling of aromatic aldehydes catalyzed by chiral diamines/low valent titanium complexes gave corre......
Within the localized molecular orbital description,the intra- and interorbital pair correlation energies calculated with......
Exchange Interaction of a Novel Heterospin Polynuclear Complex Containing Transition Metals and Imin
A novel heterospin complex {[(CuL)Ni(IM 2Py) 2](ClO 4) 2} 2·2H 2O (L=2,3 dioxo 5,6:14,15 dibenzo 1,4,8,12 te......
由于钙离子活度在人类实践中有着广泛和重要的意义,过去四十年来,研制测定钙离子活度的膜电极曾经有过各种尝试,只是最近十年,由......
Mass spectra of Roussinate anions in K+, Me4N+ and Bu4N+ salt have been obtained under appropriate operating conditions......
本文对1-N-甲基-苯并哒嗪TCNQ复合物(1-N-M_(ci) TCNQ_2)和2-N-甲基-苯并哒嗪TCNQ复合物(2-N-M_(ci) TCNQ_2)的晶体中排列进行堆积......
维生素E又名生育酚,有α、β、γ及δ四种。本文所指的维生素E是α-生育酚即为2,5,7,8-tetramethyl-2-(4’,8’,12’-trimethyl-t......
华中五味子有收敛、止咳、止汗、止泻、活血和健胃等作用。近年来已分离到约15种非挥发性成份,但关于它的挥发性成份迄今未见报道......
Five novel complexes of formula [Ln(hfac)3] · BNPhOM, where Ln = Gd, Ho, Dy, Y, Er; hfac = hexfluoracetylaceto-nate; B......
SYNTHESIS OF NOVEL LIQUID CRYSTALLINE POLY(METH)ACRYLATES CONTAINING SILOXANE SPACER AND TERPHENYLEN
Novel side-chain liquid-crystalline poly(meth)acrylates were synthesized using 1-(3-hydroxyl-propyl)-3-[(4"-cyano-p-ter......
The compounds containing stable nitroxide radicals possess magnetic properties for the free radical have net magnetic m......
WT5”HZ]Four new organosilane compounds containing cholesteryl group were synthesized by esterification of 3,3,5,5 tetr......
Diphenylchlorin (DPC) and diphenylbacteriochlorin (DPBC) were synthesized for the first time from reduction of 5,10-diph......
Over 2×10~8 tons of polymers are produced every year, and a large portion of polymers faces the degradationproblem. Th......
Tumor marker CA15-3 was determined by using capillary electrophoretic enzyme immunoassay with electrochemical detection ......
An electrochemical method for determination of horseradish peroxidase (HRP) was developed using a capillary catalytic sy......
A new kind of polyorganozircosilazane as Si/Zr/C/N-based ceramic precursor was synthesized from the condensation reactio......
The deposition of a Cu seed layer film is investigated by supercritical fluid deposition(SCFD) using H2 as a reducing ag......
An electrochemical method for detection of cortisol based on capillary electrophoretic enzyme immunoassay has been devel......
The reaction of bis-benzimidazolium salts with sodium hydrogen telluride is reported, and a new synthetic method for dia......
Catalytic amination of aryl bromides with in situ generated dimethylamines from N, N- dimethylacetamide (DMA) has been s......
The condensation of aromatic aldehydes with acidic methylene compounds such as malononitrile, methyl cyanoacetate, cyano......
1 实时荧光定量PCR(real-time PCR)的工作原理和方法1.1 原理 1991年Holland首先提出了Taqman探针的原理,该法利用TaqDNA酶的5’......
A kind of efficient non-doped white organic light-emitting diodes(WOLEDs) were realized by using a bright blue-emitting ......
Effects of etching conditions on surface morphology of periodic inverted trapezoidal patterned Si(10
In this paper,the anisotropic etching process of Si(100) wafers in tetramethyl ammonium hydroxide(TMAH) solution with is......
Surfactants, such as non-ionic Surfynol485(ethoxylated 2,4,7,9-tetramethyl-5-decyne-4,7-diol), have been applied to acce......
