alkyl groups
Luminescence behavior of silicon and carbon nanoparticles dispersed in low polar liquids
... maximum of these spectra corresponds to relatively large size distribution of the studied NPs. The observed very poor dispersion of the as-prepared Si and C NPs in hex- ane can be explained by their oleophobic surface ...
5
Propyl gallate dihydrate
... Gallic acid (3,4,5-trihydroxybenzoic acid) is a naturally occurring plant phenol having antitumor and antioxidative activity. It induces apotosis in human myelogenenous leukemic cell lines (Sakaguchi et al., 1999; Satoh ...
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Estimation of rate coefficients and branching ratios for gas-phase reactions of OH with aromatic organic compounds for use in automated mechanism construction
... of alkyl substituents are informed by calculations for structures formed in the toluene system by Wu et ...to alkyl substituents in general. c Also applied to substituted alkyl groups not ...
22
Self-Assembled Monolayers of Dithiophosphinic Acids on Gold
... disordered alkyl chains have properties and applications that are distinct from those of SAMs with densely-packed, crystalline alkyl ...packed alkyl groups also mimic biological interfaces, ...
276
Iridium‐Catalyzed Asymmetric Hydrogenation of N‐Alkyl α‐Aryl Furan‐Containing Imines: an Efficient Route to Unnatural N‐Alkyl Arylalanines and Related Derivatives.
... To take advantage of the modularity of this approach we then studied the effect of incorporation of various N-alkyl groups (Table 4). Pleasingly an ethyl group (entry 2) was well tolerated, while the ...
10
Studies of Stereo-Selective Cyclo-Additions and Transformations of Substituted 2-Cyclopenten-1-one with Chiral Anthracene Templates.
... The HMBC spectra showed the correlations between C-H proton of the alkyl groups and the C1 ′′ , C2 ′′ and C4 ′′ , correlations between H4 ′′ proton and the C 5 carbonyl group, and cor[r] ...
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Conformational study of different surfactants in bentonite and PET nanocomposites
... These quantitative results allow for a more detailed comparison between the organic cations. From Table 3 it is statistically significant that the ammonium quaternary cations are more likely to yield folded conformations ...
11
Optimisation of a lithium magnesiate for use in the non-cryogenic asymmetric deprotonation of prochiral ketones
... mixture in THF with the ketone for one hour, followed by work-up, only a 3% yield of the desired silylenol ether was obtained. By increasing the reaction time to 16 hours, the yield increased to 72% but the er was 53 : ...
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Pharmacological Evaluation and Synthesis of New Sulfonamides Derivatives Based on 1,4-Benzodioxane
... two alkyl groups, at third and fifth positions of aniline ring, that of second and third compounds was credibly due to the presence of two alkyl groups at 3 rd /5 th of position of aniline ...
14
The effect of alkyl substituent groups on the base catalysed hydrolysis of amides
... that, in the simple aliphatic amides where the alkyl groups are directly bonded to the reacting group, the order of reactivity should be dictated almost entirely by the inductive effects[r] ...
100
Structural aspects of ozonides on lymphoma cell viability: Part B
... of alkyl groups on the alpha carbon, intramolecular hydrogen bonding involving the amine or the presence of the amide functional group contribute the most to the low anti-lymphoma activity of these ...
6
I. Configurational stability and redistribution equilibria in organomagnesium compounds. II. Redistribution equilibria in organocadmium compounds
... whether the exchange of alkyl groups in the presence of TMED was slow enough to observe an unsymmetrical dialkylmagnesium compound, a mixture of dineopentylmagnesium, bis-2-methylbutylma[r] ...
150
Thesis
... malonate is moved from the second position to the first position of the tether with respect to the arene, there is a decrease in yield by 38%. Because the Thorpe-Ingold effect has been moved further from the reactive end ...
9
Isolation of a strain of Pseudomonas putida capable of metabolizing anionic detergent sodium dodecyl sulfate (SDS)
... Results: Using enrichment technique in minimal medium containing SDS as a sole carbon source, initially three SDS degrading isolates were recovered. However, only one isolate, SP3, was found to be an efficient degrader ...
7
PubMedCentral-PMC5335917.pdf
... unactivated alkyl halides remain a challenge, and currently require the use of alkyl iodides under harsh conditions and high pressures of ...secondary alkyl bromides that proceeds at low pressure (2 ...
11
First Synthesis of Amphiphilic Octa-Alkylthio Substituted Tetraazaporphyrin Derivatives with Four Terminal Carboxylic Acid Groups
... 67 Then, around 5 mL of 1 M NaOH was wisely dropped in the mixture at a rate of 1 mL every 20 min. The solution mixture color immediately did change from dark purple to be dark green, which means a TAP sodium carboxylate ...
95
Immobilization of Lipases on Alkyl Silane Modified Magnetic Nanoparticles: Effect of Alkyl Chain Length on Enzyme Activity
... with alkyl silane compounds, indicating different extent of shielding of the bare oxide ...silane groups success- fully, consistent with the IR ...of alkyl silanes, not all the hydroxyl groups ...
8
Densities Of Alkyl And Aryl Homologues
... of Alkyl Homologues when the molecular weight of methyl group is comparable to that of substituent group, an increase in density of the whole molecule is ...
6
Some reactions of alkyl radicals
... Although ethylene is also produced by the non-free radical primary decomposition of the ketone, the rate of formation of ethylene from the n-propyl radical was determined by the measurem[r] ...
179
SELF ASSEMBLED LIPID NANOTUBES, NANOSHEETS AND NANOPIPES
... cm -1 ) is known to be sensitive to the conformational order of the alkyl chains. The present FT-IR studies confirm the presence of a highly ordered structure in the aliphatic region via van der Waals ...
5