Category: 77341-67-4

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Effect of magnetic fields on the resistivity of some alloys》. Authors are Obata, J..The article about the compound:4-(((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)oxy)-4-oxobutanoic acidcas:77341-67-4,SMILESS:CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)CCC(O)=O).Related Products of 77341-67-4. Through the article, more information about this compound (cas:77341-67-4) is conveyed.

The application of the electron theory to elec. conduction in pure metals when subjected to a transverse magnetic field shows that the relative change in resistance is made up of two terms, one due to change in mol. configuration, the other due to electronic drift. The latter term is absent in the expression for the longitudinal field. In the case of alloys, the term depending on mol. configuration would be further influenced by a magnetic field. The alloys investigated include constantan, manganin, eureka, platinoid, Cu-Mn, Cu-Mn-Al, phosphor-bronze, Pt-Ir, and nichrome, and the change of resistance was measured in both longitudinal and transverse fields (up to 20,000 c. g. s. units) and at various temperatures between that of liquid air and steam. The resistance determinations could be made in the most favorable cases to 1 part in 1,000,000, and tests on Ni, Au, and Cu were in substantial agreement with those of previous observers. In Cu alloys containing Ni or Mn, both transverse and longitudinal fields diminish the resistance, and the effect observed always decreases with rise of temperature It would appear that in these cases the field produces an increase in the free path of the conducting electron. For weak fields the decrease is proportional to the square of the field. In phosphor-bronze and Pt-Ir the effect is very small, and is probably due to the presence of magnetic constituents. In nichrome the effects are very similar to those for pure Ni, and some part of the Ni exists. in the free state in this alloy.

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Tetrahydrofuran – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Journal of Agricultural and Food Chemistry called Identification of monomenthyl succinate in natural mint extracts by LC-ESI-MS-MS and GC-MS, Author is Marin, Christophe; Schippa, Christine, which mentions a compound: 77341-67-4, SMILESS is CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)CCC(O)=O, Molecular C14H24O4, Quality Control of 4-(((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)oxy)-4-oxobutanoic acid.

Fresh and dried mint leaves Mentha piperita (peppermint) and Mentha spicata (spearmint) were extracted in two different ways and the extracts investigated by high performance liquid chromatog.-tandem mass spectrometry. All the ethanolic extracts prepared with Soxhlet apparatus were used in the identification of monomenthyl succinate as previously reported. The highest level was found in fresh spearmint leaves. The anal. of the extractions, prepared under mild conditions using a fluorinated solvent (HFC 134-a), confirmed the natural occurrence of monomenthyl succinate in the leaves, ruling out the hypothesis that this constituent could be an artifact of the Soxhlet extraction process. A method for identifying this compound in such a fluorinated solvent extract of mint leaf using preliminary esterification with diazomethane and then GC-MS was described.

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Reference:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Science China: Chemistry called Photocatalytic decarboxylative alkylations of C(sp3)-H and C(sp2)-H bonds enabled by ammonium iodide in amide solvent, Author is Wang, Guang-Zu; Fu, Ming-Chen; Zhao, Bin; Shang, Rui, which mentions a compound: 77341-67-4, SMILESS is CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)CCC(O)=O, Molecular C14H24O4, Synthetic Route of C14H24O4.

A simple ammonium iodide salt in amide solvent catalyzes regioselective decarboxylative alkylation of C(sp3)-H bonds of N-aryl glycine derivatives, of C(sp2)-H bond of heteroarenes, and cascade radical addition to unsaturated bond followed by intramol. addition to arene, with a broad scope of N-hydroxyphthalimide derived redox active esters under visible light irradiation The reactions are suggested to proceed through photoactivation of a transiently assembled chromophore from electron-deficient phthalimide moiety and iodide anion through an anion-π interaction in solvent cage followed by diffusion to generate solvated free radical species to react with C-H substrates. The simplicity, practicality, and broad substrate scope of this method highlight the synthetic power of photocatalysis through transiently assembled chromophore, and will hopefully inspire further developments of low cost photocatalysis based on various non-covalent interactions, which are prevalent in supramol. chem. and biosystems, for sustainable organic synthesis.

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Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Aulenta, Francesca; Drew, Michael G. B.; Foster, Alison; Hayes, Wayne; Rannard, Steven; Thornthwaite, David W.; Youngs, Tristan G. A. researched the compound: 4-(((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)oxy)-4-oxobutanoic acid( cas:77341-67-4 ).Synthetic Route of C14H24O4.They published the article 《Fragrance release from the surface of branched poly(amide)s》 about this compound( cas:77341-67-4 ) in Molecules. Keywords: polyamide linear branched ester fragrance mol enzyme cleavage release. We’ll tell you more about this compound (cas:77341-67-4).

Two hydrolytic enzymes, a lipase from Candida cylindracea and a cutinase from Fusarium solani pisii, were studied in the selective cleavage of ester groups situated on the periphery of branched polyamides. The branched polyamides were conjugated to fragrances, i.e., citronellol and L-menthol via ester linkages. Hydrolysis of the ester linkage between the fragrance mol. and the branched polyamide support was carried out in aqueous buffered systems at slightly basic pH under optimum conditions. The partial cleavage of the ester functionality from the branched polyamide support took place, however, the ability of the enzymes to interact with the substrate decreased considerably as the branching d., rigidity of the structure, and bulkiness of the polyamide-fragrance conjugates increased.

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Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-(((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)oxy)-4-oxobutanoic acid, is researched, Molecular C14H24O4, CAS is 77341-67-4, about Synthesis, mesomorphic and photo-switching behaviours of novel azobenzene chiral liquid crystals containing (-)-menthyl.Application of 77341-67-4.

A new series of chiral liquid crystal (CLC), Mt4AZOnAB (n = 2-18), containing a multi-chiral center menthyl and an azobenzene moiety connected with a flexible butanedioyloxy and a varying length of alkanoyloxy in a terminal chain, was designed and synthesized. The thermal properties and optical textures were investigated by differential scanning calorimetry and polarizing optical microscopy. Selective reflection of the CLCs was measured by UV/visible spectrometer. Their photo-switching properties were well-demonstrated by UV irradiation All CLCs showed characteristic of selective reflection in heating stage and BPI/II texture in cooling course. Before and after irradiation, CLCs underwent a transition from oily streak texture to focal conic texture; however, BPI/II texture in cooling stage showed a reversible phase transition.

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Reference:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem