Category: Thiomorpholine

Reference of 1-Iodo-2-methylbutane. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about On labeling with generator nuclides. Author is Otto, R.; Hecht, P..

Short-lived radioisotopes separated from radionuclide generators are widely used. The possibilities of labeling with the daughter nuclides of the com. available Mo/Tc-, Sn/In- and Te/I- generators and of the self-made Ba/La-generator in industrial tracer experiments are presented. The transfer of the daughter nuclides from the generator eluates into organic phases and the labeling of oil-phases and solid particles were investigated. The simple, quick, and efficient methods developed are suitable for routine application under industrial conditions. Some examples of industrial applications of the generator nuclides are given.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Recommanded Product: 1-Iodo-2-methylbutane. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Preparation of standard mixtures of iodoalkanes by irradiation of iodine solutions in alkanes. Author is Castello, Gianrico; D’Amato, Giuseppina.

Mixtures of iodine with pentane, hexane, 3-methylpentane, 2,2-dimethylbutane, 2,3-dimethylbutane, heptane, 2,2-dimethylpentane, 2,4-dimethylpentane, 3,3-dimethylpentane, octane, 2,2,4-trimethylpentane, and 2,2,5-trimethylhexane were subjected to γ-irradiation and the gas chromatog. retention indexes of the resulting iodoalkanes determined

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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 《Walden inversion. XIII. The influence of substituting groups on optical rotation in the series of disubstituted acetic acids》. Authors are Levene, P. A.; Mikeska, L. A..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Name: 1-Iodo-2-methylbutane. Through the article, more information about this compound (cas:616-14-8) is conveyed.

cf. C. A. 22, 1953. The conclusion that in the aliphatic series the carbinols and the structurally related halides rotate in opposite directions is substantiated by the study of a series of aliphatic substances derived from disubstituted acetic acids or their corresponding carbinols. Primary halides rotate in the opposite direction to the primary alcs. from which they were derived, while in passing from the corresponding thio to the sulfo derivative the change in rotation is in the same direction, though without change of sign. A decided uniformity was found in the effect on optical rotation of various substitutions of the CO2H group or of the alc. group of the corresponding carbinols, depending upon the position of the subsituting group in the polarity series, C = N > CO2Et > CO2H > CONH2 > COCl > CH2SO3H > CH2X > CH2SH > CH2OH > CH2NH2. The order in this series corresponds with the order of the same groups in polarity series determined by other methods. This relationship holds only for aliphatic substances containing only 1 asym. C atom and only 1 polar group. Active primary amyl alc. was halogenated without marked racemization, while in the rest of the series conversion to the halide from the carbinol by SOCl2, PCl5, HBr, HI, etc., as well as from the amine by NOCl2, led to complete racemization. Optically active halides were obtained in the latter case by the action of NOBr. d-Propylmethylacetic acid, [α]D25 5.58° (Et2O), with SOCl2 gave the d-chloride (I), b15 45-8°; [α]D25 4.06°. I, [α]D25 3.94° (Et2O), with concentrated aqueous NH4OH gave the d-amide, m. 78° (from H2O), [α]D25 5.79° (75% alc.). l-Amide, [α]D25-5.79° (75% alc.), distilled with P2O6 gave l-propylmethylacetonitrile (II), b2 30-2°, [α]D25-13.77°. II with Na-alc. gave d-2-propyl-2-methylethylamine (III), b4 28-30°, [α]D25 3.84°, whose HCl salt had [α]D25 1.51° (50% alc.), l-Propylmethylacetic acid, [α]D25-7.08° (Et2O), with HCl gas in alc. gave the Et ester, b4 78-80°, [α]D25-7.91°. d-Acid Et ester, [α]D25 5.67° (Et2O), with Na-alc. gave l-2-propyl-2-methylethanol (IV), b. 147-7.5°, [α]D25-1.23°. IV with PCl5 or NOCl gave dl-2-propyl-2-methylethyl chloride, b. 110-20°. III with NOBr gave l-2-propyl-2-methylethyl bromide, b10 55-65°, [α]D25-0.94° (Et2O). I with KHS gave d-propylmethylthiolacetic acid, b23 71-2°, [α]D25 7.49°. d-Butylmethylacetic acid (V), [α]D25 5.42° (Et2O), with SOCl2 gave the acid chloride (VI), b9 45-8°, [α]D25 5.06°. VI with NH4OH gave the amide (VII), m. 66° (from H2O), [α]D25 3.86° (75% alc.). VII distilled with P2O5 gave the nitrile (VIII), b9 43-50°, [α]D25 9.40°. In another experiment an amide, [α]D25-11.44°, gave a nitrile, [α]D25-27.09° (Et2O). VIII with Na-alc. gave l-2-butyl-2-methylethylamine, b15 49-54°, [α]D25-3.52° (Et2O), whose HCl salt had [α]D25-2.41° (H2O). V with HCl gas and alc. gave an Et ester, b9 58-62°, [α]D25 6.84°, which with Na-alc. gave d-2-butyl-2-methylethanol, b15 71-2°, [α]D25 2.47° (Et2O). d-Heptylmethylacetic acid (IX), b4 145-7°, [α]D25, whose Na salt, [α]D25 0.84° (H2O), was treated with SOCl2, yielding the acid chloride (X), b1 73-4°, [α]D25 4.89°. X with NH4OH gave the amide (XI), m. 78° (from 50% alc.), [α]D25 7.07° (95% alc.), XI with P2O5 gave the nitrile (XII), b7 85-94°, [α]D25 13.61°. XII with Na-alc. gave 1-2-heptyl-2-methylethylamine (XIII), b24, 103-5°, [α]D25-3.38°, whose HBr salt had [°]D25-4.61° (75% alc.), In another experiment an amine, [α]D25 6.05° (Et2O), was obtained from a nitrile, [α]D25 -15.10° (Et2O). An amine, [α]D25 6.05° (Et2O), was obtained from a HBr salt, [α]D25 5.91°. XIII with HBr (fuming) and NaNO2 gave d-2-heptyl-2-methylethyl bromide, b1 80-5°, [α]D25 2.18° (Et2O). l-Heptylmethylacetic acid, [α]D26 -8.72° (Et2O), with HCl gas and alc. gave the Et ester, b17 122-4°, [α]D25 -8.60°, which with Na-alc, gave d-2-heptyl-2-methylethanol, b0.4 80-2°, [α]D25 3.64°. d-Decylmethylacetic acid, b1 153°, [α]D25 8.47°, showed no rotation when neutralized with NaOH. l-Decylmethylacetic acid (XIV), [α]D25 -6.38° (Et2O), with SOCl2 gave the acid chloride (XV), b0.5 118-25°, [α]D25 -3.5°, which was hydrolyzed, yielding an acid, [α]D25 -5.78° (Et2O). XV with NH4OH gave the amide, m. 77° (from 50% alc.), [α]D25 -3.01° (95% alc.), which with P2O5 gave the nitrile, b0.5 108-10°, [α]D25 -10.87° (Et2O), which with Na-alc. gave d-2-decyl-2-methylethylamine (XVI), [α]D25 4.18°, whose HCl salt, m. 105-18°, [α]D25 3.17° (H2O). XIV with HCl gas and alc. gave an Et ester, b1 141°, [α]D25 -6.48°, which with Na-alc. gave l-2-decyl-2-methylethanol, b1.4 105°, [α]D25 2.34°, XVI with NOBr gave l-2-decyl-2-methylethyl bromide, b0.02 87-90°, [α]D25 -0.39. Primary l-amyl alc., [α]D25 -4.73° (Et2O), with HI gave d-2-ethyl-2-methylethyl iodide, b12 47-50°, [α]D25 3.92° (Et2O), which with KHS gave d-2-ethyl-2-methylethanethiol, b. 116-7°, [α]D25 2.99°. In another experiment an iodide, [α]D25 5.27° (Et2O), gave a mercaptan, [α]D25 6.92°, which with Ba(MnO4)2 gave d-2-ethyl-2-methylethanesulfonic acid, whose Ba salt had [α]D25 5.09° (H2O). A table of mol. rotations of the various derivatives, which do not necessarily agree with the exptl. figures, is appended. These values were calculated on the basis of the parent substance of the highest rotation. There is also a table of d.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Inukai, Norie; Kawai, Tsuyoshi; Yuasa, Junpei published the article 《Two Distinct Thermal Stabilities of DNA and Enzymatic Activities of DNase I in a Multistep Assembly with Carbazole Ligands: Different Binding Characteristics for Duplex and Quadruplex DNA》. Keywords: DNA DNase I multistep carbazole ligand duplex quadruplex.They researched the compound: 1-Iodo-2-methylbutane( cas:616-14-8 ).HPLC of Formula: 616-14-8. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:616-14-8) here.

A partially hydrophobic carbazole ligand ((Im+)2Cz: 2,2′-(9-ethyl-9 H-carbazole-3,6-diyl)bis(ethyne-2,1-diyl)bis(1,3-dimethyl-1 H-imidazol-3-ium)) adopts two different binding states (binding states I and II) in its interactions with calf-thymus (ct-) DNA. Two distinct binding states were identified by biphasic UV/Vis and CD spectral changes during the titration of DNA into the carbazole ligand. At low concentrations of ct-DNA, (Im+)2Cz binds to nearly every part of ct-DNA (binding state I). By contrast, an increased concentration of ct-DNA results in a switch in the DNA-binding state, so that the ligands are bound per five DNA base pairs. Similarly, a monocationic carbazole ligand (Im+Cz: 2-((6-bromo-9-ethyl-9 H-carbazol-3-yl)ethynyl)-1,3-dimethyl-1 H-imidazol-3-ium) also shows biphasic UV/Vis spectral changes during the titration of ct-DNA into Im+Cz, which suggests two different binding states of the Im+Cz ligand with ct-DNA. The stepwise equilibrium of the ligand-DNA-complex formation is capable of switching the thermal stability of ct-DNA, as well as the enzymic activity of DNase (DNase I). In binding state I, the (Im+)2Cz ligands interact with nearly every base pair in ct-DNA and stabilize the double-helix structure, which results in a larger increase in the melting temperature of the ct-DNA than that observed with binding state II. On the other hand, the (Im+)2Cz ligand significantly reduces the enzymic activity of DNase I in binding state I, although the enzymic activity is recovered once the binding state of the ligand-DNA complex is changed to binding state II. The (Im+)2Cz ligand was also employed as a binder for G-quadruplex DNA. In contrast to the stepwise complex formation between (Im+)2Cz and ct-DNA, (Im+)2Cz shows a monotonous UV/Vis spectral response during the titration of G-quadruplex DNA into (Im+)2Cz, which suggests a single binding state for (Im+)2Cz with G-quadruplex DNA.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Related Products of 616-14-8. 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 On labelling with generator nuclides. Author is Otto, R.; Hecht, P..

Short-lived radioisotopes separated from radionuclide generators are widely used. Possibilities of labeling with the daughter nuclides of the com. available Mo/Tc-, Sn/In-, and Te/I-generators and of the self-made Ba/La-generator in industrial tracer experiments are presented. The transfer of the daughter nuclides from the generator eluates into organic phases and the labeling of oil-phases and solid particles are investigated. The developed simple, quick and efficient methods are suitable for routine application under industrial conditions. Some examples of industrial applications of the generator nuclides are given, too.

Although many compounds look similar to this compound(616-14-8)Related Products of 616-14-8, numerous studies have shown that this compound(SMILES:CCC(CI)C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Formula: C5H11I. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Metal-free C(sp3)-H functionalization of sulfonamides via strain-release rearrangement. Author is Hu, Jiefeng; Yang, Xianyu; Shi, Shasha; Cheng, Bo; Luo, Xiaoling; Lan, Yu; Loh, Teck-Peng.

A metal-free reaction system that enables C-H bond functionalization of aliphatic sulfonamides R(CH2)2N(F)Ts (R = decyl, cyclohexyl, oxan-4-yl, benzyl, etc.) using DABCO as a promoter under mild conditions, affording a series of α,β-unsaturated imines R1CH=C(R)CH=NTs (R1 = Ph, 4-chlorophenyl, 2,3-dihydro-1-benzofuran-5-yl, etc.) in good yields with high selectivities was presented. This protocol tolerates a broad range of functionalities and can serve as a powerful synthetic tool for the late-stage modification of complex compounds More importantly, control experiments and detailed DFT calculations suggest that this process involves [2 + 2] cyclization/ring-cleavage reorganization, which opens up a new platform for the establishment of other related reorganization reactions.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – 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: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Two Distinct Thermal Stabilities of DNA and Enzymatic Activities of DNase I in a Multistep Assembly with Carbazole Ligands: Different Binding Characteristics for Duplex and Quadruplex DNA.Name: 1-Iodo-2-methylbutane.

A partially hydrophobic carbazole ligand ((Im+)2Cz: 2,2′-(9-ethyl-9 H-carbazole-3,6-diyl)bis(ethyne-2,1-diyl)bis(1,3-dimethyl-1 H-imidazol-3-ium)) adopts two different binding states (binding states I and II) in its interactions with calf-thymus (ct-) DNA. Two distinct binding states were identified by biphasic UV/Vis and CD spectral changes during the titration of DNA into the carbazole ligand. At low concentrations of ct-DNA, (Im+)2Cz binds to nearly every part of ct-DNA (binding state I). By contrast, an increased concentration of ct-DNA results in a switch in the DNA-binding state, so that the ligands are bound per five DNA base pairs. Similarly, a monocationic carbazole ligand (Im+Cz: 2-((6-bromo-9-ethyl-9 H-carbazol-3-yl)ethynyl)-1,3-dimethyl-1 H-imidazol-3-ium) also shows biphasic UV/Vis spectral changes during the titration of ct-DNA into Im+Cz, which suggests two different binding states of the Im+Cz ligand with ct-DNA. The stepwise equilibrium of the ligand-DNA-complex formation is capable of switching the thermal stability of ct-DNA, as well as the enzymic activity of DNase (DNase I). In binding state I, the (Im+)2Cz ligands interact with nearly every base pair in ct-DNA and stabilize the double-helix structure, which results in a larger increase in the melting temperature of the ct-DNA than that observed with binding state II. On the other hand, the (Im+)2Cz ligand significantly reduces the enzymic activity of DNase I in binding state I, although the enzymic activity is recovered once the binding state of the ligand-DNA complex is changed to binding state II. The (Im+)2Cz ligand was also employed as a binder for G-quadruplex DNA. In contrast to the stepwise complex formation between (Im+)2Cz and ct-DNA, (Im+)2Cz shows a monotonous UV/Vis spectral response during the titration of G-quadruplex DNA into (Im+)2Cz, which suggests a single binding state for (Im+)2Cz with G-quadruplex DNA.

After consulting a lot of data, we found that this compound(616-14-8)Name: 1-Iodo-2-methylbutane can be used in many types of reactions. And in most cases, this compound has more advantages.

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 《Characteristic group frequencies of bromo- and iodoalkanes in the cesium bromide region》. Authors are Bentley, F. F.; McDevitt, N. T.; Rozek, Adele L..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Quality Control of 1-Iodo-2-methylbutane. Through the article, more information about this compound (cas:616-14-8) is conveyed.

The infrared spectra of 74 normal and branched bromo- and iodoalkanes were recorded and studied, 667-286 cm.-1 The number and position of the frequencies characteristic of the C–X stretching vibration are dependent on the rotational isomers present as well as the structure of the alkyl substituents in the vicinity of the C–X group. Conformational structures and representative spectra are presented along with correlation charts which list the C–X stretching vibration for various primary, secondary, and tertiary bromo- and iodoalkanes.

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Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – 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: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about SPME-GC-MS analysis of volatile components in fruits of the frozen Ficus tikoua Bur..Quality Control of 1-Iodo-2-methylbutane.

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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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.Makosza, Mieczyslaw; Bia-lecki, Maciej researched the compound: 1-Methyl-4-nitro-1H-imidazol-5-amine( cas:4531-54-8 ).Recommanded Product: 4531-54-8.They published the article 《Nitroarylamines via the Vicarious Nucleophilic Substitution of Hydrogen: Amination, Alkylamination, and Arylamination of Nitroarenes with Sulfenamides》 about this compound( cas:4531-54-8 ) in Journal of Organic Chemistry. Keywords: vicarious nucleophilic substitution nitroarylamine preparation; nitroarylamine preparation; arylamine nitro preparation; amination nitroarene sulfenamide. We’ll tell you more about this compound (cas:4531-54-8).

A new reaction of sulfenamides with electrophilic arenes under basic conditions is described. The σ adducts formed from nitroarenes and the anions of sulfenamides undergo elimination of thiol to produce the corresponding o- and/or p-nitroanilines. This reaction is analogous to the known alkylation and hydroxylation of nitroarenes via the vicarious nucleophilic substitution of hydrogen (VNS). The reaction gives access to a wide range of substituted nitroanilines, nitronaphthylamines, and aminoheterocycles. By means of the reaction with N-alkyl- and N-arylsulfenamides, it is possible to obtain N-alkylnitroanilines and nitrodiarylamines. By varying the structure of sulfenamide and the reaction conditions, particularly the nature and concentration of the base, it is possible to control the orientation of amination.

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