N-Decanol

Nuclear dipole-dipole interaction is a veiy important relaxation mechanism, and this is reflected in the relationship between 7, and the number of protons bonded to a carbon. The motional effect is nicely shown by tbe 7 values for n-decanol, which suggest that the polar end of the molecule is less mobile than the hydrocarbon tail. Comparison of iso-octane with n-decanol shows that the entire iso-octane molecule is subject to more rapid molecular motion than is n-decanol—compare the methyl group T values in these molecules. 

More recently, this method has been extensively applied to a wide range of Williamson syntheses in dry media with K2C03 and KOH as bases, TBAB as phase-transfer agent, and a variety of aliphatic alcohols (e. g. n-octanol and n-decanol, yields 75-92%) [18],... 

The fact that 1 for ISEs with ion-exchanger ion I and n-decanol... 

Figure 9. Phase diagram for the three-component system sodium octanoate-n-decanol-water at 20°C (1). Concentrations expressed as weight percent.

Dioxane 2-Butanol n-Butanol t-Butanol Acetic acid Acetonitrile Carbon disulfide Carbon tetrachloride Chloroform n-Decanol Diethyl ether Diisopropyl ether Dimethyl sulfoxide Ethanol Ethyl acetate Fluoroform Formic acid... 

Zhang, B., Gozzelino, G. and Baldi, G. (2001) Membrane liquid loss of supported liquid membrane-based on N-decanol. Colloids and Surfaces A, 193, 61. 

Even without the effects of cross correlation, the assumption of a single correlation time for a given relaxation mechanism is usually oversimplified, as we indicated in Section 8.1. Figure 8.8a shows partially relaxed spectra resulting from an inversion-recovery pulse sequence (Section 2.9) for the 13C spins in a small organic molecule. It is apparent that the values of Tx are somewhat different, because the null times vary from one carbon atom to another. From the analysis of similar partially relaxed spectra, the values of T, (13C) shown in Fig. 8.8b and c have been obtained for phenol and n-decanol. Both molecules tumble rapidly in... 

FIGURE 8.8 (<2) Partially relaxed 13C NMR spectra from an inversion-recovery pulse sequence. (b) Values of Tj (seconds) for 13C nuclei in n-decanol. (c) Values of Tr for 13C nuclei in phenol. 

In the method developed by Exerowa, Cohen and Nikolova [144] the insoluble (or slightly soluble) monolayers are obtained by adsorption from the gas phase. A special device (Fig. 2.28) was constructed for the purpose a ring a in the measuring cell of Scheludko and Exerowa for formation of microscopic foam films at constant capillary pressure (see Section 2.1.2.). The insoluble (or slightly soluble) substance from reversoir b is placed in this ring. Conditions for the adsorption of the surfactant on either surface of the bi-concave drop are created in the closed space of the measuring cell. The surfactant used was n-decanol which at temperatures lower than 10°C forms a condensed monolayer. Thus, it is possible to obtain common thin as well as black foam films. The results from these studies can be seen in Section 3.4.3.3. 

Bis(tetrabutylammonium) dichromate is a neutral oxidant which at reflux in dichloromethane acts as a selective oxidant for allylic and benzylic alcohols.Only 10% of oxidation products are obtained after treatment of n-decanol with bis(tetrabutylammonium) dichromate for 24 h. 

SYNS AGENT 504 ALCOHOL C-10 ANTAK C 10 ALCOHOL CAPRIC ALCOHOL CAPRINIC ALCOHOL DECANAL DIMETHYL ACETAL DECANOL n-DECANOL 1-DECANOL (FCQ n-DECATYL ALCOHOL n-DECYL ALCOHOL DECYLIC ALCOHOL DYTOL S-91 EPAL 10 FEMA No. 2365 LOROL 22 NONYLCARBINOL PRIMARY DECYL ALCOHOL ROYALTAC SIPOLLIO... 

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