Day: April 6, 2022

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, Spectrochimica Acta called The infrared spectrum of the formate ion, Author is Schutte, C. J. H.; Buijs, K., which mentions a compound: 616-14-8, SMILESS is CCC(CI)C, Molecular C5H11I, SDS of cas: 616-14-8.

The infrared spectra of anhydrous Ca(HCO2)2, Sr(HCO2)2, Ba(HCO2)2, and Pb(HCO2)2 show clearly the doubling of the fundamental bands of the formate ion owing to the existence of non-equivalent ions in the lattice. A new tetragonal phase of Ca(HCO2)2 precipitate when an organic solvent is added to an aqueous solution of Ca(HCO2)2. The new β phase belongs to space group D44-P412121, α = 9.46 A., c = 6.77 A., with 4 mols. per unit cell. The absorption bands for the β phase are single, in accordance with the crystallographic symmetry.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Product Details of 198544-60-4. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: (R)-(9H-Fluoren-9-yl)methyl (1-chloro-4-methyl-1-oxopentan-2-yl)carbamate, is researched, Molecular C21H22ClNO3, CAS is 198544-60-4, about Total Solid Phase Syntheses of the Quinazoline Alkaloids: Verrucines A and B and Anacine. Author is Wang, Haishan; Sim, Mui Mui.

The first total syntheses of verrucines A and B and anacine (revised structure) were accomplished on Sasrin resin. This work confirmed the structure of verrucine A and unambiguously showed verrucine B to be a derivative of D-phenylalanine and L-glutamine. The study also proved that anacine and its epimer are quinazoline alkaloids, not benzodiazepines as originally proposed. 1-Hydroxyverrucine B, derived from air oxidization of verrucine B, was also isolated and characterized.

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Suzuki, Takahisa published the article 《Identification of the aggregation pheromone of flour beetles Tribolium castaneum and T. confusum (Coleoptera: Tenebrionidae)》. Keywords: pheromone aggregation Tribolium methyldecanalysis; beetle aggregation pheromone methyldecanalysis.They researched the compound: 1-Iodo-2-methylbutane( cas:616-14-8 ).Computed Properties of C5H11I. 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.

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,
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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.Mori, Kenji; Yang, Chang Yeol researched the compound: 1-Iodo-2-methylbutane( cas:616-14-8 ).Related Products of 616-14-8.They published the article 《Pheromone synthesis. Part 259: Synthesis of seven methyl-branched hydrocarbons as the pheromone candidates for female Korean apricot wasp, Eurytoma maslovskii》 about this compound( cas:616-14-8 ) in Tetrahedron. Keywords: pheromone synthesis Korean apricot wasp branched hydrocarbon. We’ll tell you more about this compound (cas:616-14-8).

Seven new methyl-branched hydrocarbons were synthesized, which were the pheromone candidates of the female Korean apricot wasp (Eurytoma maslovskii). They are (Z)-15-methyl-7-nonacosene (I), (Z)-17-methyl-7-hentriacontene (II), 3,7-dimethylheptacosane (III), 8,12-dimethyltriacontane (IV), 8,18-dimethyltriacontane (V), 3,7,11-trimethylnonacosane (VI), and 3,7,17-trimethylnonacosane (VII). All of them were synthesized as stereoisomeric mixtures, employing short and simple routes. Hydrocarbon VII was synthesized via 4,8-dimethyldecanal (tribolure), the red flour beetle pheromone. The hydrocarbons I, II, III and VI were identified by GC-MS anal. as the components (with unknown stereochem.) of the female-specific secretion of E. maslovskii.

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Reference:
Thiomorpholine – Wikipedia,
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Quality Control of 1-Iodo-2-methylbutane. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Diphosphorus tetraiodide (P2I4). A valuable reagent for regioselective synthesis of iodo alkanes from alcohols. Author is Lauwers, M.; Regnier, B.; Van Eenoo, M.; Denis, J. N.; Krief, A..

Primary, secondary, and tertiary alkanols and phenylalkanols and secondary and tertiary cycloalkanols were converted in high yields to the resp. alkyl, phenylalkyl, and cycloalkyl iodides by P2I4 in CS2 and at 20°. E.g., ROH [R = Me(CH2)7, Ph(CH2)2, cyclopentyl] gave 80-8% RI in 24 h.

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Reference:
Thiomorpholine – Wikipedia,
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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called N-Heterocyclic olefins as efficient phase-transfer catalysts for base-promoted alkylation reactions, published in 2016, which mentions a compound: 616-14-8, mainly applied to dicarbonyl compound alkyl halide alkylation reaction heterocyclic olefin catalyst; heterocyclic olefin preparation, Safety of 1-Iodo-2-methylbutane.

N-Heterocyclic olefins (NHOs), e.g., I have very recently emerged as efficient promoters for several chem. reactions due to their strong Bronsted/Lewis basicities. The novel application of NHOs as efficient phase-transfer organocatalysts for synthetically important alkylation reactions on a wide range of substrates, further demonstrates the great potential of NHOs in organic chem has been reported.

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Reference:
Thiomorpholine – Wikipedia,
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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1-Methyl-4-nitro-1H-imidazol-5-amine(SMILESS: NC1=C([N+]([O-])=O)N=CN1C,cas:4531-54-8) is researched.Recommanded Product: 2-(Furan-2-yl)-2-oxoacetaldehyde. The article 《Nitroimidazoles. VI. Partition coefficients and tautomerism of simple nitroimidazoles》 in relation to this compound, is published in Acta Poloniae Pharmaceutica. Let’s take a look at the latest research on this compound (cas:4531-54-8).

Octanol-water partition coefficients (P) were determined for 42 simple nitroimidazoles with Me, Cl, Br, MeO, NH2, and NO2 substituents. Correlation between log P and the substituent constants πX of Hansch and fX of Nys-Rekker was derived. For the N-methylated compounds, the average value of πN-CH3 was calculated to be -0.30. Significance of log P measurement in estimating the tautomeric equilibrium in 4(5)-nitroimidazoles is discussed in detail.

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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 rotations of configurationally related azides》. Authors are Levene, P. A.; Rothen, Alexandre; Kuna, Martin.The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Application In Synthesis of 1-Iodo-2-methylbutane. Through the article, more information about this compound (cas:616-14-8) is conveyed.

Substances of the type MeCH[(CH2)n1X][(CH2)n2R], where n1 or n2 = 0 or an integer, X = a functional group and R = a normal alkyl, Ph or C6Hn group, can be classified into 2 categories, viz., those, typified by X = CHO, in which the configuration of the 1st members having n1 = 0 can be correlated by classical methods to those having n1 > 0, and those, typified by X = halogen, in which such correlation cannot be accomplished by classical methods. For the purpose of solving the latter problem the azides were chosen over the halides, inasmuch as they can be converted into the corresponding amines. The amines, while belonging to the 2nd category, can be correlated among themselves by a sufficiently reliable though nonclassical argument which will be reported later. The secondary azides were prepared by the action of NaN3 on the iodides and the amines by reduction of the azides with PtO2. The rotatory phenomena observed in the series of azides and halides were compared with those in the series of aldehydes and were found to be dissimilar in both series. Hence a comparison of these phenomena cannot be used for the correlation of the members of the series of halides and azides having n1 = 0 with those having n1 > 0. The following compounds were prepared: l-2-iodobutane, b. 111-18°, [M]D25 -24.1°, from the alc. and anhydrous HI in a bomb tube at room temperature for 2 days; d-2-azidobutane, b500 85°, d425 0.8619, nD25 1.4122, [M]D25 15.9°; d-2-aminobutane, [M]D25, 0.66° (in H2O), (HCl salt, [M]5875.625 -0.44° (in H2O)); l-2-iodoöctane, b1 52°, nD25 1.4863, d425 1.3158, [M]D25 -80.0°; d-2-azidoöctane, b9 68°, nD25 1.4332, d425 0.8555, [M]D25 43.4°, 42.5° (in heptane (I)); d-2-aminoöctane, b9 48°, nD25 1.4220, [M]D25 5.41°, (HCl salt, [M]D25 -6.44° (in H2O)); d-1-iodo-2-methylbutane, b. 145-6°, nD25 1.4950, [M]D25 8.28°, maximum [M]D25 11.1°; d-1-azido-2-methylbutane, b138 72°, nD25 1.4240, d425 0.8770, [M]D25 8.61°, maximum [M]D25 11.6°; l-1-amino-2-methylbutane, b12 40-5°, [M]5875.625 -0.21° (in H2O); l-1-azido-2-methylhexane, b15 59-60°, [α]D25 -0.30°; d-1-iodo-2-methylnonane, b4 86°, d425 1.254, [M]D25 2.54°; l-1-azido-2-methylnonane, b10 98-102°, d425 0.8658, nD25 1.4430, [M]D25 -0.74°; l-1-iodo-3-methylpentane, b12 54°, d425 1.3934, nD25 1.4866, [M]D25 -16.1°, maximum [M]D25 -43.9°; l-1-azido-3-methylpentane, b. 145-8°, nD25 1.4300, [M]D25 -9.63°, maximum [M]5875.625 -26.3° (in I); d-1-iodo-4-methylhexane, b13 74-5°, b103 124-6°, nD25 1.4852, d425 1.3579, [M]D25 8.20°, maximum [M]D25 26.2°; d-1-azido-4-methylhexane, b418 157°, d425 0.8636, nD25 1.4323, [M]5875.625 5.41°, maximum [M]5875.625 17.3° (in I.). All values for [M] are for the homogenous substance unless otherwise stated.

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Reference:
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Computed Properties of C4H6N4O2. 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-Methyl-4-nitro-1H-imidazol-5-amine, is researched, Molecular C4H6N4O2, CAS is 4531-54-8, about Nitroarylamines via the Vicarious Nucleophilic Substitution of Hydrogen: Amination, Alkylamination, and Arylamination of Nitroarenes with Sulfenamides. Author is Makosza, Mieczyslaw; Bia-lecki, Maciej.

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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Reference:
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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-Methyl-4-nitro-1H-imidazol-5-amine, is researched, Molecular C4H6N4O2, CAS is 4531-54-8, about A catalyst and additive-free three-component reaction of highly electrophilic azides with cyclic ketones and cycloaliphatic amines. Synthesis of novel N-heteroaryl amidines, the main research direction is heteroaryl amide preparation; electrophilic azide cyclic ketone amine three component reaction.Category: thiomorpholine.

Highly electrophilic 5-azido-1-methyl-4-nitro-1H-imidazole and sulfonyl azides were demonstrated to react with alicyclic amines and cyclic ketones in the absence of any catalyst or additive to afford novel N-(4-nitroimidazol-5-yl)- or N-sulfonylamidines resp. Based on single crystal X-ray anal., a revision of the previously reported data of Gao and co-workers on the direction of the reaction of sulfonyl azides with endocyclic enamines was made. The reaction of 2,6-diazidopyridine with an enamine, 4-(cyclohex-1-en-1-yl)morpholine, proceeded with cyclization of the azide moiety onto the pyridine C=N bond to form an amidine bearing the tetrazolo[1,5-a]pyridine fragment.

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Reference:
Thiomorpholine – Wikipedia,
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