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关键词:'246549'
显示 1-19 共 19 条结果 关于 "246549" 范围 论文
Y Wu et al.
Hua xi yi ke da xue xue bao = Journal of West China University of Medical Sciences = Huaxi yike daxue xuebao, 30(1), 37-39 (2002-09-11)
The branched building plays a pivotal part in the study of Dendrimers. In order to synthesized Dendrimers more effectively, we designed and synthesized four new branched building blocks via 2-4 steps starting from diethyl malonate and pentaerythritol. Their structures were
W K Loke et al.
Journal of applied toxicology : JAT, 19(4), 285-290 (1999-08-10)
Decontamination of chemical agents from the skin uses both dry and wet decontamination processes. Recent studies have shown that wet decontamination frequently results in stratum corneum hydration. To evaluate the hydration effect of wet decontamination on the skin barrier function
E M Chellquist et al.
Journal of pharmaceutical sciences, 77(10), 850-854 (1988-10-01)
The in vitro distribution and fate of [14C]diethyl malonate and [14C]diisopropyl fluorophosphate were evaluated on normal and heat-treated pig skin. The extent of hydrolysis from the skin surface, skin, and receptor fluid was determined. A significant skin-mediated hydrolysis (15-35% of
J R Jabusch et al.
Archives of biochemistry and biophysics, 238(1), 170-177 (1985-04-01)
The protein ubiquitin undergoes extensive N epsilon-acetylation of some of its seven lysine residues when reacted with p-nitrophenyl acetate. Lysines 27 and 29 show little reactivity whereas residue 6 is the most readily acetylated. Residues 11, 33, 48, and 63
M A Zayed et al.
Journal of hazardous materials, 73(3), 237-244 (2000-04-07)
Five malonanilide derivatives (M1-M5) were prepared by the reaction of ethyl malonate with aniline derivatives. These compounds were investigated as new stabilizers for double-base propellants (DBPs). The evaluation process has been performed through thermal stability tests, thermal analyses measurements (TGA
G K Powell et al.
Preparative biochemistry, 11(3), 339-350 (1981-01-01)
This paper describes the complete chemical synthesis of 4-methylene-DL-glutamic acid from diethylmalonate, formaldehyde and diethyl acetamidomalonate. The amino acid was obtained pure following ion-exchange chromatography and/or crystallization from hot water in an overall yield of 30% based on the amount
G S Hawkins et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 4(2 Pt 2), S133-S144 (1984-04-01)
An in vitro apparatus was developed to determine the evaporation and percutaneous penetration of radiolabeled chemicals applied to pig skin. The dermal side of the skin was mounted on a penetration cell. Appearance of radioactivity in the fluid flowing past
Earle Stellwagen et al.
Biophysical journal, 84(3), 1855-1866 (2003-03-01)
The free solution mobility of a 20-bp double-stranded DNA oligomer has been measured in diethylmalonate (DM) and Tris-acetate buffers, with and without added NaCl or TrisCl. DM buffers have the advantage that the buffering ion is anionic, so the cation
W G Reifenrath et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 4(2 Pt 2), S224-S230 (1984-04-01)
The human skin grafted athymic nude mouse, pig skin grafted athymic nude mouse, hairless dog, and weanling Yorkshire pig were evaluated as models for predicting skin penetration in man. Nine radiolabeled compounds previously tested on man were applied topically (4
Edward J Hennessy et al.
Organic letters, 4(2), 269-272 (2002-02-14)
[reaction: see text] A general method for the synthesis of alpha-aryl malonates is described. The coupling of an aryl iodide and diethyl malonate in the presence of Cs(2)CO(3) and catalytic amounts of copper(I) iodide and 2-phenylphenol affords the alpha-aryl malonate
Roger Peró-Gascón et al.
Journal of chromatography. A, 1508, 148-157 (2017-06-18)
In this paper we describe a strategy to estimate by CE the acidity constants (pK
O Jáuregui et al.
Electrophoresis, 21(3), 611-618 (2000-03-22)
Optimum conditions for the separation of positional isomers of chlorophenols by capillary zone electrophoresis (CZE) were established. The behavior of five volatile electrolytes (L-cysteic acid, 3-amino-1-propanesulfonic acid, aminomethanesulfonic acid, diethylmalonic acid, and ammonium acetate) was compared. The best performance based
C Chevanet et al.
Canadian journal of microbiology, 32(3), 254-258 (1986-03-01)
Bacillomycin L is produced by Bacillus subtilis NCIB 8872 in the stationary phase; it is excreted into the culture medium, without prior accumulation in the bacterial cells. The production of bacillomycin L is largely dependent on the composition of the
M A Hassan
Journal of hazardous materials, 88(1), 33-49 (2001-10-19)
Three malonanilide dimers (MA2-MA4) were prepared by the reaction of ethyl malonate with malonanilide derivatives (M2-M4). These dimers were investigated as new stabilizers for nitrocellulose. The evaluation process has been performed through Bergman-Junk (BJ) test, thermal analysis measurements (TGA and
Effects of diethylmalonate & alpha-picolinic acid on levels of inorganic nitrogen & tricarboxylic acid cycle enzymes in L-alanine utilizing B. brevis.
R P Singh et al.
Indian journal of biochemistry & biophysics, 20(1), 39-42 (1983-02-01)
Hong-Min Liu et al.
Carbohydrate research, 338(17), 1737-1743 (2003-08-02)
A butenolide-containing sugar available from the aldol condensation of methyl 4,6-O-benzylidene-alpha-D-glucopyranosid-2-ulose with diethyl malonate is autoxidized at the C-3 position into the corresponding alpha,beta-unsaturated gamma-lactone sugar by air, which subsequently undergoes 1,4-conjugate (Michael) addition of hydroxide ion (or water) leading
D Matosiuk et al.
Acta poloniae pharmaceutica, 53(3), 209-212 (1996-05-01)
Cyclocondensation of 1,5-disubstituted 2-aminoimidazolines with diethyl malonate in the presence of sodium methanolate leading to imidazol[1,2-alpyrimidine-5,7-dion system is presented. Prevailing of 7-hydroxy-5(1H)oxo form between three possible tautomers is discussed based on spectral data. CNS activity of nine compounds is evaluated.
W G Reifenrath et al.
Journal of pharmaceutical sciences, 73(10), 1388-1392 (1984-10-01)
A shower decontamination bench model has been used to assess quantitatively the importance of several variables (water pressure and temperature, surfactant concentration in the decontamination fluid, nozzle type, and shower time) on decontamination of nontoxic chemical warfare-agent simulants diethyl malonate
Y Suhara et al.
Bioorganic & medicinal chemistry letters, 11(15), 1985-1988 (2001-07-17)
Novel analogues of 2-arachidonoylglycerol (2-AG), an endogenous cannabinoid receptor ligand, were developed. Chemical synthesis of these analogues (2-AGA105 and 2-AGA109) was accomplished starting from 2-octyn-1-ol and diethyl malonate and employing Wittig coupling of triene phosphonate with an aldehyde intermediate in
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