N-Pentyl

Chroman-4-one, 3-methylsulfinyl-synthesis, 3, 853 Chroman-4-one, 5-n-pentyl-synthesis, 3, 851 Chroman-4-one, 7-n-pentyl-synthesis, 3, 851... 

Pentanone, see Diethyl ketone Pentene, see Amylene n-Pentyl acetate, see n-Amyl... 

Only with large cations such as Rb, Cs and NRafR = Et, Bu", n-pentyl) has it proved possible to isolate the. solid sulfites The sulfite ion SOs is pyramidal with Cj,. symmetry angle O-S-O 106°, S-O 151 pm. The hydrogen sulfite ion also appears to have C3, symmetry both in the solid state and in solution, i.e. protonation occurs at S rather than... 

Using different mono- and diketones in acetic acid (at room temperature) afforded the following products from benzophenone, 2,2-diphenyl-2//-imid-azo[4,5-/]quinoline from dibenzylketone, the 2-benzyl-imidazo[4,5-/]quino-line and from 2,4-pentanedione, 2-methyl-imidazo[4,5-/]quinoline. Cyclohexanone under reflux gave 2-n-pentyl-, whereas at room temperature it afforded the. s pira[cyclohexane-l,2 ]-(2//)-imidazo[4,5-/]quinoline 108 (R R =(CFl2)5) (86UC527). 

Although APDC complexes are soluble in many organic solvents, it is found that 4-methylpent-2-one (isobutyl methyl ketone) and heptan-2-one (n-pentyl methyl ketone) are, in general, the most satisfactory for direct nebulisation into the air/acetylene flame used in atomic absorption spectroscopy. 

By application of the above rules, some groups in descending order of precedence are COOH, COPh, COMe, CHO, CH(OH)2, o-tolyl, m-tolyl, p-tolyl, phenyl, C=CH, rerf-butyl, cyclohexyl, vinyl, isopropyl, benzyl, neopentyl, allyl, n-pentyl, ethyl, methyl, deuterium, and hydrogen. Thus the four groups of glyceraldehyde are arranged in the sequence OH, CHO, CH2OH, H. 

Scheme 3. Lowest energy conformations for the mesogen 5CB (4-n-pentyl-4 -cyanobiphenyl)...

EBBA 4-ethoxybenzylidene-4 -n-butylaniline 4-n-pentyl-4 -cyanobipbenyl [90] 60 NpT MC (all atom)... 

Fig. 12. Chemical structure of the mesogenic 4-cyano-4 -n-pentyl-p-terphenyl (T15)...

Structure of 4-cyano-4 -n-pentyl-p-terphenyl (T15) is shown in Fig. 12. This compound, first prepared by Gray et al. [82], exhibits a nematic phase with a wide temperature range. 

In general for the C20 series, maximal activity is achieved with amides of arachidonic acid (1) [81], mead acid (199) [149], and dihomo-y-linoleic acid (200) [150] (see Table 6.18). Decreasing the unsaturation (201), (202), or abolishment of the n-pentyl chain (203) [150] led to less active or inactive compounds. Variable results were seen with longer chains. The C22 4 n-6 analogue (204) is as active as AEA (1) whereas the C22 6 n-3 analogue (205) is less active than the C20 5 n-3 analogue (203) [150]. Replacement of the double bonds with triple bonds (206) resulted in loss of activity [150] (see Table 6.18). Forcing the fatty acid chain into a hairpin conformation by cyclisation (207) also resulted in inactive compounds [151]. 

Figure 5. Survival effects for CM-chitin-5FU conjugate(7) and the hydrochloride salt of 4-[(amino-n-pentyl)ester]methylene-5FU(14) against p3 8 leukemia in mice ip/ip. 7(DCM Omol fc D5FU=35mol%),...

If the alkyl substituent in a dialkyl substituted polysilane is either too short or is branched, it cannot pack properly to allow side chain crystallization, and hence, one would expect very different, properties from PDHS and its higher homologs. In order to study this possibility, we synthesized and characterized the di-n-butyl (PDBS), di-n-pentyl (PDPS) and di-5-methylhexyl polymers (PDMHS). 

This result is further supported by the very short 130 + 10 ps lifetime combined with the remarkably high quantum yield of 0.43, both observed upon excitation at 335 nm, near the long-wavelength edge of the absorption band. These values combine to a radiative lifetime of 300 ps, which corresponds (33a) to an oscillator strength of 1.8. Similarly short emission lifetimes have been observed for other poly(di-n-alkylsilanes) di-n-pentyl, 200 ps, di-n-decyl, 150 ps. The average oscillator... 

Pentanone, see Methyl n-propyl ketone 3- Pentanone, see Diethyl ketone Pentene, see Amylene n-Pentyl acetate, see n-Amyl acetate sec-Pentyl acetate, see sec-Amyl acetate Pentyl alcohol, see n-Amyl alcohol Pentyl amine, see n-Amylamine iso-Pentyl nitrite, see Amyl nitrite Peracetic acid (40% acetic acid 1.23 41... 

In contrast, some Type II cations, such as N-(4,4-azo-n-pentyl)-21-deoxy-ajmalinium and rocuronium, have been shown to be transported by rat Oatp 2 [64—66]. Since human OATP2 or OATP8 cannot transport organic cations [53], the molecular mechanism for the uptake of Type II cations (e.g., rocuronium) into isolated human hepatocytes [11] remains to be clarified. Although human OATP-A transports rocuronium, its hepatic expression is minimal [66]. 

Al-Mg n-dodecyl, n-octyl, n-pentyl, (3-methacryloxy)propyl, isobutyl, phenyl, 3-mercaptopropyl [14,24,25,28,31,32]... 

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