Results 201 to 210 of about 10,122 (231)
Some of the next articles are maybe not open access.
Extraction of Lanthanides with Mixtures of Crown Ethers and Heptanoic Acid
Solvent Extraction and Ion Exchange, 2003Abstract The liquid extraction of some lanthanides (Pr, Gd, and Yb) with mixtures of heptanoic acid H3C(CH2)5COOH (HA) and crown ethers (B) benzo‐15‐crown‐5 (B15C5), dicyclohexano‐18‐crown‐6 (DH18C6), and 18‐crown‐6 (18C6) in carbon tetrachloride (CCl4) as a solvent from aqueous chloride medium at constant ionic strength μ = 0.1 is investigated.
G. Georgiev, M. Zakharieva
openaire +1 more source
ChemInform Abstract: n‐Heptanoic Acid by the Caustic Oxidation of 2‐Octanol.
ChemInform, 1989AbstractThe alkaline oxidation is achieved by introducing 2‐octanol (I), saturated with water, into a hot melt of NaOH and KOH.
N. E. LAWSON, T. E. FARINA
openaire +1 more source
ChemInform Abstract: 7‐AMINO‐5‐(METHYLAMINO)HEPTANOIC ACID: A POTENTIAL PUTRESCINE HAPTEN
Chemischer Informationsdienst, 1982AbstractDurch Oxidation der Alkohole (I) mit Oxalylchlorid und Dimethylsulfoxid entstehen die Aldehyde (II), die mit Kaliumcyanid und Essigsäurecyanmethylester die Dinitrile (III) bilden.
T. C. ADAMS +3 more
openaire +1 more source
Heat of Mixing and Solution of Hexane C6H14 + C7H14O2 Heptanoic acid (HMSD1111, LB4145_H)
, 2012 I. Cibulka +3 more
openaire +2 more sources
Decarboxylative coupling of heptanoic acid. Manganese, cerium and zirconium oxides as catalysts
Applied Catalysis A: General, 2000Abstract A series of catalysts containing 20 wt.% of Mn, Ce and Zr oxides deposited on Al 2 O 3 , SiO 2 and TiO 2 has been studied in ketonisation of heptanoic acid. The most pronounced effect of alumina support on catalysts activity has been noted. Manganese oxide catalysts have shown the highest activity.
M Gliński, J Kijeński
openaire +1 more source
A practical synthesis of 3(S)-methyl-heptanoic acid from (S)-citronellol
Tetrahedron: Asymmetry, 1996Abstract Chiral 3-methyl-heptanoic acid is readily accessible by functional group manipulation of optically active citronellol. In principle, this approach is general and could be applied to the synthesis of chiral 3-methyl-alkanoic acids seven carbon atoms in length and longer.
Ralph Breitenbach +6 more
openaire +1 more source
Extraction of manganese(II) from ammonium chloride solutions with heptanoic acid
Hydrometallurgy, 1989Abstract The distribution of Mn(II) between aqueous 1.0 M NH4Cl solution and heptanoic acid solutions in carbon tetrachloride was studied. Regression analysis methods were used to determine the species present in the organic phase. It has been established that the composition of these species depends on the total manganese(II) concentration in the ...
openaire +1 more source
Vibrational Davydov splitting in 7-(2-anthryl)-1-heptanoic acid Langmuir-Blodgett films
Thin Solid Films, 1988The IR absorption spectrum of Langmuir-Blodgett multilayers of 7-(2-anthryl)-1-heptanoic acid (I) deposited onto CaF2 substrates was recorded between 1800 cm−1 and 1400 cm−1 using normally incident polarized light. For multilayers deposited from a pH 4.9 subphase the CO stretch at approximately 1700 cm−1 shows a polarization similar to that observed ...
W.S. Durfee +5 more
openaire +1 more source
Bioorganic & Medicinal Chemistry, 1994
A series of disubstituted thiazoles, functionalized with the essential 3,5-dihydroxy-6-heptenoic or heptanoic chain, were prepared and evaluated for their ability to inhibit the enzyme HMG-CoA reductase in vitro. All the synthesized compounds 46-61 showed a moderate inhibitory potency.
CECCHETTI, Violetta +4 more
openaire +2 more sources
A series of disubstituted thiazoles, functionalized with the essential 3,5-dihydroxy-6-heptenoic or heptanoic chain, were prepared and evaluated for their ability to inhibit the enzyme HMG-CoA reductase in vitro. All the synthesized compounds 46-61 showed a moderate inhibitory potency.
CECCHETTI, Violetta +4 more
openaire +2 more sources
Journal of Applied Physiology, 2006
In the normal heart, there is loss of citric acid cycle (CAC) intermediates that is matched by the entry of intermediates from outside the cycle, a process termed anaplerosis. Previous in vitro studies suggest that supplementation with anaplerotic substrates improves cardiac function during myocardial ischemia and/or reperfusion.
Isidore C, Okere +8 more
openaire +2 more sources
In the normal heart, there is loss of citric acid cycle (CAC) intermediates that is matched by the entry of intermediates from outside the cycle, a process termed anaplerosis. Previous in vitro studies suggest that supplementation with anaplerotic substrates improves cardiac function during myocardial ischemia and/or reperfusion.
Isidore C, Okere +8 more
openaire +2 more sources