Tag: M.W:100-200

Electric Literature of C5H11I. 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 Gamma radiolysis of branched chain hydrocarbons. 2,3-Dimethylbutane. Author is Castello, Gianrico; Grandi, Francesco; Munari, Stelio.

The γ-radiolysis of liquid 2,3-dimethylbutane at room temperature was investigated under vacuum. Iodine was used as a free radical scavenger and the formed alkyl iodides were analyzed by gas chromatog. with electron capture detector. Irradiations of frozen 2,3-dimethylbutane at 77°K were also performed. The fragmentation products and many of those having a number of C atoms higher than the parent were identified and measured. The formation of the identified heavy products is mainly due to recombination of radicals, as demonstrated by the comparison between their yields and those of alkyl iodides.

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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 Palladium-Catalyzed Arylation of Unactivated γ-Methylene C(sp3)-H and δ-C-H Bonds with an Oxazoline-Carboxylate Auxiliary.Name: 1-Iodo-2-methylbutane.

A palladium-catalyzed arylation of unactivated γ-methylene C(sp3)-H and remote δ-C-H bonds by using an oxazoline-carboxylate directing group has been developed. Arylation occurs with a broad substrate scope and high tolerance of functional groups (i.e., halogen, nitro, cyano, ether, trifluoromethyl, amine, and ester). The oxazoline-type auxiliary can be removed under acidic conditions.

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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-Iodo-2-methylbutane(SMILESS: CCC(CI)C,cas:616-14-8) is researched.Name: 1-Iodo-2-methylbutane. The article 《Preparation of standard mixtures of iodoalkanes by irradiation of iodine solutions in alkanes》 in relation to this compound, is published in Journal of Chromatography. Let’s take a look at the latest research on this compound (cas:616-14-8).

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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Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

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 Formation of 4(5)-aminoglyoxalines. I, published in 1930, which mentions a compound: 4531-54-8, mainly applied to , Computed Properties of C4H6N4O2.

The only evidence at present that 4(5)-aminoglyoxalines are true aromatic amines is the formation, after diazotization, of colored soln with aqueous β-C10H7ONa. Reduction of 4(5)-nitro-2-methyl- and 4(5)-nitroglyoxalines with Fe and H2O, FeSO4 and NaOH, Na2S or activated Al gave no basic material. Et glyoxaline-4(5)-carboxylate and N2H4.H2O, heated on the H2O bath for 30 min., give nearly quant. glyoxaline-4(5)-carboxyhydrazide, crystallizing with 1H2O, m. 213°, reduces NH4OH-AgNO3 slowly but not Fehling solution; picrate, yellow, m. 223° (decomposition), crystallizes from 85 parts boiling H2O. With HNO3 there results glyoxaline-4(5)-carboxyazide (I), decomposes explosively at 137°; heating with H2O does not give the urea; the green solution gives an amorphous picrate, chars 230°. Boiling I with absolute EtOH for 4 hrs. gives 42.2% of 4(5)-carbethoxyaminoglyoxaline, m. 180°; picrate, golden, decomposes 210°, crystallizes from 60 parts boiling H2O; nitrate (II), decomposes 143°. I and MeOH give 50% of the corresponding carbomethoxy derivative, m. 175°; picrate, decomposes 243°. Neither derivative could be hydrolyzed by acid or alkali. II and concentrated H2SO4 give 58% of 5(4)-nitro-4(5)-carbethoxyaminoglyoxaline, m. 234° (decomposition); this could not be converted by 10% Na2CO3 into the corresponding amine. 5-Chloro-4-nitro-1-methylglyoxaline and EtOH-NH3, heated 4 hrs. at 140°, give 63.7% of the 5-NH2 derivative, yellow, m. 303° (decomposition), crystallizes from 170 parts boiling H2O; it does not form an Ac derivative, a benzylidene derivative or a picrate; after treatment with HNO2, alk. C10H7ONa gives a greenish blue color and alk. m-C6H4(OH)2 a violet color. With 16% HCl, HNO2 is liberated and α-methylamino-α-hydroxyacetamide, pale brown, m. 140°, is formed.

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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.Computed Properties of C4H6N4O2. The article 《Kinetics, products and mechanism of O(3P) atom reactions with alkyl iodides》 in relation to this compound, is published in NATO Science Series, IV: Earth and Environmental Sciences. Let’s take a look at the latest research on this compound (cas:616-14-8).

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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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 Secondary to normal alkyl group rearrangements in octahedral iridium(III) complexes. 1. Monoalkyl derivatives, published in 1986, which mentions a compound: 616-14-8, Name is 1-Iodo-2-methylbutane, Molecular C5H11I, Category: thiomorpholine.

sec-Alkyliridium(III) complexes IrYIR(CO)L2 (R = sec-alkyl; Y = Cl, I; L = PMe3, PMe2Ph), formed by oxidative addition of sec-alkyl iodides to IrY(CO)L2, rearrange cleanly by a first-order process to the n-alkyl isomers on dissolution in CH2Cl2 containing protic solvents. The order of efficacy of these solvents in promoting alkyl group rearrangement is CF3CO2H >> CH3OH >> C2H5OH > CH3CO2H ∼ PrOH > (CH3)2CHOH, while in the more strongly coordinating medium of THF the order is H2O >> CH3OH. These orders correlate with the anion-solvating ability of the solvents and, together with the observed retardation by added iodide ion, suggest that the rate-determining step in the rearrangement is dissociation of iodide ion trans to the sec-alkyl group. Rapid, reversible β-hydride elimination in the resulting cation and stereospecific return of iodide ion trans to the resulting n-alkyl group complete the process. The rearrangement is promoted by increasing bulk, both of the alkyl group, up to a certain limit, and of the tertiary phosphine (PMe2Ph > PMe3). Treatment of IrClI{CH(CH3)2}(CO)(PMe2Ph)2 with AgBF4 in MeCN induces immediate alkyl group rearrangement to give the n-propyliridium(III) salt [IrClPr(CO)(NCMe)(PMe2Ph)2]BF4. Studies of analogous CD2CH3 compounds suggest that they, and presumably other n-alkyliridium(III) complexes, undergo reversible β-hydride elimination more slowly than the sec-alkyl complexes. The D labels in the isobutyl-d2 complex IrClI{CD2CH(CH3)2}(CO)(PMe3)2 scramble over all the alkyl C atoms when the compound is heated in CD2Cl2/CD3OD, indicating that a tert-butyliridium(III) species is accessible. Surprisingly, the complexes IrClI{CH2CH(CH3)CH2CH3}(CO)(PMe3)2 and IrClI{CH2CH2CH(CH3)2}(CO)(PMe3)2 do not interconvert under the same conditions, implying that a tert-pentylirdium(III) species cannot be formed. The results are compared with alkyl group rearrangements that occur in other transition-metal systems, especially those promoted by dissociation of Ph3P in (η-C5H5)FeR(CO)(PPh3).

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Product Details of 4531-54-8. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-Methyl-4-nitro-1H-imidazol-5-amine, is researched, Molecular C4H6N4O2, CAS is 4531-54-8, about Nucleophilic substitution reactions of 1-methyl-4,5-dinitroimidazole with aqueous ammonia or sodium azide. Author is Lian, Peng-Bao; Guo, Xiao-Jie; Wang, Jian-Long; Chen, Li-Zhen; Shen, Fan-Fan.

In this work, 5-amino-1-methyl-4-nitroimidazole was synthesized by amination reaction of 1-methyl-4,5-dinitroimidazole with aqueous ammonia in 95% yield. Meanwhile, one of its isomers, 4-amino-1-methyl-5-nitroimidazole as byproduct was obtained from the filtrate. Furthermore, nucleophilic substitution reaction of 1-methyl-4,5-dinitroimidazole with sodium azide gave 5-azido-1-methyl-4-nitroimidazole in 98% yield. The three compounds were characterized by IR, 1H and 13C NMR spectra, m.ps., and elemental anal. The structure of 4-amino-1-methyl-5-nitroimidazole was further confirmed by single crystal X-ray diffraction. These reactions indicate that the nitro group at position 5 of 1-methyl-4,5-dinitroimidazole is quite unstable, as well as partial substitution of nitro group at position 4 also occurred in aqueous ammonia. Only one nitro group of the two is involved in nucleophilic substitution reaction in each case.

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Thiomorpholine – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Action of ionizing radiation on simple organic compounds》. Authors are Napier, K. H.; Green, J. H..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Synthetic Route of C5H11I. Through the article, more information about this compound (cas:616-14-8) is conveyed.

I131 in a hydrocarbon was irradiated either with β-rays from a 500 mc. Sr90-Y90 source or with γ-rays from a 5 c. Cs137 source. The distribution of resulting iodinated products were analyzed by gas chromatography. From butane the following percentages of alkyl iodides were obtained: methyl, ethyl, n-propyl, sec-butyl, n-butyl (9, 20, 2, 47, 22, resp.). At some stages in the radiolysis, HI can be as high as 20%.

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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 N-Heterocyclic olefins as efficient phase-transfer catalysts for base-promoted alkylation reactions. Author is Blumel, Marcus; Crocker, Reece D.; Harper, Jason B.; Enders, Dieter; Nguyen, Thanh V..

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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Thiomorpholine – Wikipedia,
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Name: 1-Iodo-2-methylbutane. 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 N-Heterocyclic olefins as efficient phase-transfer catalysts for base-promoted alkylation reactions. Author is Blumel, Marcus; Crocker, Reece D.; Harper, Jason B.; Enders, Dieter; Nguyen, Thanh V..

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,
Thiomorpholine | C4H9NS – PubChem