Category: Thiomorpholine

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 616-14-8, is researched, Molecular C5H11I, about Identification of the aggregation pheromone of flour beetles Tribolium castaneum and T. confusum (Coleoptera: Tenebrionidae), the main research direction is pheromone aggregation Tribolium methyldecanalysis; beetle aggregation pheromone methyldecanalysis.SDS of cas: 616-14-8.

The aggregation pheromone produced by the male red flour beetle, T. castaneum, and confused flour beetle, T. confusum, was identified as 4,8-dimethyldecan-1-al by gas-liquid chromatog., gas chromatog.-mass spectrometry, 1H NMR spectra, and synthesis of the compound The synthetic pheromone was less attractive compared with the natural pheromone, because the synthetic sample was composed of 4 optical isomers.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Analysis of rotatory dispersions of configurationally related halides》. Authors are Levene, P. A.; Rothen, Alexandre; Marker, R. E..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Product Details of 616-14-8. Through the article, more information about this compound (cas:616-14-8) is conveyed.

Rotatory dispersion curves of halides of the type HMeRC(CH2)nX (X = Cl, Br, I; R = alkyl group; n = 0, 1, 2 or 3) are analyzed in the visible and the ultraviolet regions. The 3 halogen atoms function similarly with respect to the character of this curve in compounds of identical structure. A periodicity in the sign of some of the partial contributions of the halogen atom occurs with increase in n. The course of the rotatory dispersion when n = 1 is anomalous. An attempt is made to apply results when n > 0 to the sign of rotation for compounds where n = 0. When X = COOH, CHO, CN, CHMe2, etc., no complete analogy exists between this group and the group where X is a halogen. [M]D25 maximum (homogeneous) is given for the 16 compounds where X = Br, n = 1, 2, 3, 4, and R = Et, Pr, Bu, pentyl, and for the compound HMeEtC(CH2)5Br. Absorption spectra are given for λ 2100-3300 for 5 iodides. Rotatory dispersion curves are given for the compounds HMeEtCCH2I, HMe(C6H13)CCH2I, HMeEtCCH2Br and HMeEtCCH2Cl. [M]D25 maximum, nD25, d425 (vacuum) and rotatory dispersions (numerical) are given for several other compounds in this series. Differences between the interpretation of the dispersions of the iodides given by the authors (C. A. 27, 951) and that given by Kuhn (C. A. 29, 7159.1) are due to substantial differences between their exptl. data.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Safety of 1-Iodo-2-methylbutane. 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. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Kinetics, products and mechanism of O(3P) atom reactions with alkyl iodides.

Alkyl halides are an important source of halogens in the atm. In the case of alkyl iodides, relative kinetic studies of their OH reactions in photoreactors are complicated by fast reactions with the O(3P) atoms generated by the photochem. OH radical sources. In the present study, the relative kinetic technique was applied in large and small photoreactors to measure rate coefficients for the reaction of O(3P) atoms with a series of alkyl iodides at room temperature and atm. pressure. The products formed in N2 were also investigated. Alkenes and HOI are the major products of the reactions and the alkene was quantified for the majority of the alkyl iodides studied.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Optical rotation and atomic dimension for the four optically active 1-halo-2-methylbutanes, published in 1937, which mentions a compound: 616-14-8, Name is 1-Iodo-2-methylbutane, Molecular C5H11I, SDS of cas: 616-14-8.

cf. C. A. 25, 2977. Detailed directions are given for the preparation of pure 2-methyl-1-butanol (I) and its F, Cl, Br and I derivatives. The following properties are described: I b. 128°, b50 65.7°, d420 0.8193, nD20 1.4107, sp. rotation for λ 5892.5 A. -5.756, for 5461 A. -6.835, for 5850 A. -5.78. The last 3 values were taken at about 20°. The corresponding values for the derivatives are: for 1-fluoro-2-methylbutane 55.9°, -, 0.7906, 1.3576, -8.865, -10.477, -8.87; for 1-chloro-2-methylbutane 100.45°, 27.7°, 0.8857, 1.4124, +1.644, +1.847, +1.68; for 1-bromo-2-methylbutane 121.6°, 45.0°, 1.2234, 1.4451, +4.043, +4.707, +4.09; and for 1-iodo-2-methylbutane -, 66.5°, 1.5253, 1.4977, +5.685, +6.626, +5.71. The differences in mol. rotation (Cl-F), (Br-Cl) and (I-Br) have the ratio 41:18:21.6, which agrees with the ratio of the differences of the radii of the respective neutral atoms.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1-Methyl-4-nitro-1H-imidazol-5-amine( cas:4531-54-8 ) is researched.Recommanded Product: 1-Methyl-4-nitro-1H-imidazol-5-amine.Brusac, Edvin; Jelicic, Mario-Livio; Amidzic Klaric, Daniela; Nigovic, Biljana; Keser, Sabina; Mornar, Ana published the article 《Development of a HPLC-DAD stability-indicating method and compatibility study of azathioprine and folic acid as a prerequisite for a monolayer fixed-dose combination》 about this compound( cas:4531-54-8 ) in Analytical Methods. Keywords: HPLC stability compatibility azathioprine folic acid monolayer dose combination. Let’s learn more about this compound (cas:4531-54-8).

Adherence in chronic diseases is a major problem which can be combated by prescribing fixed-dose combinations in the therapy of the disease. Thus, a combination of azathioprine and folic acid in the treatment of inflammatory bowel disease is highly required, but prior to formulation development, chem. compatibility of the two drugs needs to be investigated. In this work, differential scanning calorimetry, isothermal stress testing, in vitro dissolution and forced degradation studies were utilized to investigate compatibility. Moreover, a stability-indicating HPLC-DAD method for the determination of parent drugs and five of their impurities was developed, validated and applied to the inhouse sample. Compatibility testing revealed no noteworthy interactions of the two drug substances. Furthermore, forced degradation showed no substantial differences between the degradation profiles of each active pharmaceutical ingredient, their mixture and the inhouse sample, further reinforcing the claim of compatibility. Lastly, the inhouse sample was analyzed: it was shown to conform to the requirements of relevant regulatory documents for all the investigated analytes, demonstrating the method’s viability for use in formulation and process development. Our results give way to the possibility of realization of said fixed-dose combination.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Safety of 1-Iodo-2-methylbutane. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about An extension of the linear relationship between molecular rotation and bond refraction. Author is Poh, Bo-Long.

For the empirical equations [M]D = mΣ RD + I; [M]D is the mol. rotation, ΣRD is the sum of bond refractions, and m and I are constants for a given series of compounds, a different treatment of the term ΣRD extends the usefulness of the equation to all types of substituents, not just monovalent and linear substituents.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Optical rotation and atomic dimension for the four optically active 1-halo-2-methylbutanes》. Authors are Brauns, Dirk H..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).SDS of cas: 616-14-8. Through the article, more information about this compound (cas:616-14-8) is conveyed.

cf. C. A. 25, 2977. Detailed directions are given for the preparation of pure 2-methyl-1-butanol (I) and its F, Cl, Br and I derivatives. The following properties are described: I b. 128°, b50 65.7°, d420 0.8193, nD20 1.4107, sp. rotation for λ 5892.5 A. -5.756, for 5461 A. -6.835, for 5850 A. -5.78. The last 3 values were taken at about 20°. The corresponding values for the derivatives are: for 1-fluoro-2-methylbutane 55.9°, -, 0.7906, 1.3576, -8.865, -10.477, -8.87; for 1-chloro-2-methylbutane 100.45°, 27.7°, 0.8857, 1.4124, +1.644, +1.847, +1.68; for 1-bromo-2-methylbutane 121.6°, 45.0°, 1.2234, 1.4451, +4.043, +4.707, +4.09; and for 1-iodo-2-methylbutane -, 66.5°, 1.5253, 1.4977, +5.685, +6.626, +5.71. The differences in mol. rotation (Cl-F), (Br-Cl) and (I-Br) have the ratio 41:18:21.6, which agrees with the ratio of the differences of the radii of the respective neutral atoms.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1-Iodo-2-methylbutane(SMILESS: CCC(CI)C,cas:616-14-8) is researched.Synthetic Route of C5H11I. The article 《SPME-GC-MS analysis of volatile components in fruits of the frozen Ficus tikoua Bur.》 in relation to this compound, is published in Shipin Yanjiu Yu Kaifa. Let’s take a look at the latest research on this compound (cas:616-14-8).

This thesis developed an SPME-GC-MS method for the aroma components in Ficus tikoua Bur. fruit. At the same time, the solid-phase micro extraction conditions were optimized: extraction temperature was 50°C, the extraction time was 40 min, added 8 g of sodium chloride electrolyte solid extraction Frozen Ficus tikoua Bur. fruit was detected out of 152 kinds of volatile substances, substances detected in 99.03%of the total. The main aroma components were esters, accounting for 33.06%; alcs., accounting for 13.14%; alkanes, accounting for 13.18%; there ketones, aldehydes, acids and other substances. Higher levels of 10 kinds of aroma components were guaiacol (14.71%), cyclobutane carboxylic acid dodecyl ester (13.54%), n-tridecane (6.05%), 2-tridecanone (4.72%), cyclohexasiloxane (4.44%), cyclobutane carboxylic acid decyl ester (4.18%), Me nonyl ketone (3.62%), acetic acid (2.98%), cyclopentanecarboxylic acid thirteen ester (2.48%), 2-tetradecanol (2.31%) and so on.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Recommanded Product: 1-Iodo-2-methylbutane. 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. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Gas chromatography of alkyl halides on a silicone oil capillary column.

RX (R = C3H7, C4H9, and C5H11; X = Cl-, Br-, and I-) isomers were separated and identified by gas chromatog. on a capillary column containing silicone fluid MS 550 at 20° with N carrier gas and a flame ionization detector. The straight-chain secondary hexyl, heptyl, and octyl halide isomers were similarly separated at 20-80°. The technique was used to analyze quant. 27 com. available secondary alkyl halides for their isomeric composition

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Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Electric Literature of C5H11I. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Application of multipurpose dimethyl formamide-like task specific ionic liquid as a recyclable reagent for direct iodination of alcohols. Author is Hullio, Ahmed Ali; Mastoi, G. M..

A direct and an efficient conversion of a wide range of primary, secondary and tertiary alcs. to the corresponding iodides was obtained under ionic liquid conditions. The method involves preparation of ionic liquid-based iminium chloride intermediate from DMF-like ionic liquid then stirring it with alc. in present of sodium iodide. The higher yields of alkyl iodides were obtained within min. time with simplest operational procedure and DMF-like ionic liquids could be recycled.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem