Tag: 200-300

A comparison of the properties of some 2-aminothiophene-derived disperse dyes was written by Hallas, Geoffrey;Towns, Andrew D.. And the article was included in Dyes and Pigments in 1996.Computed Properties of C12H14N2O4S This article mentions the following:

In the course of an investigation into the properties of monoazo disperse dyes synthesized from aminothiophene diazo components, significant discrepancies were observed between the spectroscopic and fastness data of some thienyl-2-azo dyes compared to that previously reported for closely related analogs. Considerable differences in λ_max and ε_max values were noted; in some cases, light fastness ratings were at variance with previously disclosed figures. In the experiment, the researchers used many compounds, for example, Ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate (cas: 58168-20-0Computed Properties of C12H14N2O4S).

Ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate (cas: 58168-20-0) belongs to nitriles. Trimerization of aromatic nitriles requires harsh reaction conditions, high temperatures, long reaction times, and pressure. Some nitriles are manufactured by heating carboxylic acids with ammonia in the presence of catalysts. This process is used to make nitriles from natural fats and oils, the products being used as softening agents in synthetic rubbers, plastics, and textiles and for making amines.Computed Properties of C12H14N2O4S

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Half-sandwich (η⁵-Cp*)Rh(III) complexes of pyrazolated organo-sulfur/selenium/tellurium ligands: efficient catalysts for base/solvent free C-N coupling of chloroarenes under aerobic conditions was written by Sharma, Charu;Srivastava, Avinash Kumar;Sharma, Kamal Nayan;Joshi, Raj Kumar. And the article was included in Organic & Biomolecular Chemistry in 2020.SDS of cas: 10282-32-3 This article mentions the following:

Three new pyrazolated chalcogenoether ligated Rh(III) half-sandwich complexes [Cp*RhCl(PhECH₂CH₂Pz-Br)] (1–3; Pz-Br = 4-bromo-1-pyrazolyl-κN²; E = S, Se, Te) were synthesized by the thermal reaction of chalcogenoether (S, Se and Te) substituted 1H-pyrazole ligands (L1-L3) and [(η⁵-C₅Me₅)RhCl]₂ in methanol. The complexes were fully characterized by various spectroscopic techniques, and the mol. structures of complexes 1 and 2 were also established through single crystal X-ray crystallog. anal., which indicates a pseudo-octahedral half-sandwich piano-stool geometry around the rhodium metal. All three complexes were found to be thermally stable and insensitive towards air and moisture. One mol% of Rh(III) complexes 1–3 along with 10 mol% of Cu(OAc)₂ were explored for the Buchwald-Hartwig type C-N coupling reactions of amine and aryl chloride. Good to excellent yields (89-92%) of the coupling products were obtained with seleno- and thio-ether functionalized pyrazolated Rh(III) complexes (1 and 2), while an average yield (39%) was obtained with the telluro-ether functionalized complex (3). In contrast to the previously reported C-N coupling reactions the present reaction works under solvent- and base-free conditions, and the coupling reaction is accomplished in just 6 h with a high yield of the coupling product. The present methodol. was also found to be efficient for a wide variety of functionalized aryl halides, and aliphatic or aromatic amines (1° and 2°). Moreover, the reaction also enables the C-N coupling of electron-withdrawing substrates and base-sensitive functionalities. In the experiment, the researchers used many compounds, for example, 4-(Benzylamino)benzonitrile (cas: 10282-32-3SDS of cas: 10282-32-3).

4-(Benzylamino)benzonitrile (cas: 10282-32-3) belongs to nitriles. Nitrile carbon shifts are in the range of 115–125 ppm whereas in isonitriles the shifts are around 155–165 ppm. Nitriles are susceptible to hydrogenation over diverse metal catalysts. The reaction can afford either the primary amine (RCH2NH2) or the tertiary amine ((RCH2)3N), depending on conditions.SDS of cas: 10282-32-3

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Nitrile – Wikipedia,
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Substituent dependency of the dihydroazulene ⇄ vinylheptafulvene photochromism: steric and electronic effects of 9-anthryl compounds- new access to condensed hydropentalenes was written by Gierisch, Sebastian;Bauer, Walter;Burgemeister, Thomas;Daub, Joerg. And the article was included in Chemische Berichte in 1989.Electric Literature of C18H10N2 This article mentions the following:

The synthesis of 2-(9-anthryl)-1,8a-dihydro-1,1-azulenedicarbonitrile (I) from 8-methoxyheptafulvene (II) by [8+2] cycloaddition reaction via tetrahydroazulene III and elimination of MeOH is described. On irradiation with visible light I is transformed to the vinylheptafulvene IV, which reconverts to I under thermal conditions. The steric congestion caused by the 9-anthryl substituent determines the rate of the [8+2] cycloaddition reaction as well as the kinetics of the thermal back reaction IV → I and causes thermochromic behavior of I. By intramol. electrophilic substitution, III yields the condensed hydropentalene V, which on oxidation leads to the condensed polycycle VI. The stereochem. assignments of the 9-anthryl compounds were made mainly by one- and two-dimensional ¹H-NMR spectroscopy. In the experiment, the researchers used many compounds, for example, 2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4Electric Literature of C18H10N2).

2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4) belongs to nitriles. There has been no report on the microbial biosynthesis of nitriles and the physiological function of such enzymes, nor was it not even known whether aliphatic and aromatic nitriles are biological compounds or just petrochemicals. Some nitriles are manufactured by heating carboxylic acids with ammonia in the presence of catalysts. This process is used to make nitriles from natural fats and oils, the products being used as softening agents in synthetic rubbers, plastics, and textiles and for making amines.Electric Literature of C18H10N2

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Nitrile – Wikipedia,
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3-Substituted 7-(diethylamino)coumarins as molecular scaffolds for the bottom-up self-assembly of solids with extensive π-stacking was written by Arcos-Ramos, Rafael;Maldonado-Dominguez, Mauricio;Ordonez-Hernandez, Javier;Romero-Avila, Margarita;Farfan, Norberto;Carreon-Castro, Maria del Pilar. And the article was included in Journal of Molecular Structure in 2017.Electric Literature of C14H14N2O2 This article mentions the following:

In this study, a set of mol. crystals derived from 3-substituted 7-(diethylamino)-2H-chromen-2-ones 1-8 were studied to sample the aggregation of coumarins into ordered solids. Crystals of parent compound 1a and its brominated derivative 2 were obtained and solved in the P-1 and C2/c space groups, resp. All the crystalline coumarins studied display extensive π-stacking in the solid-state. Theor. valence-conduction band gaps for derivatives 3b and 5 are close to crystalline rubrene, highlighting the importance of cooperativity and periodicity of π-stacking, in organic semiconductors; given their synthetic accessibility, electronic tunability and self-assembly via stacking, dipolar and H-bonding interactions, these systems arise as candidates for the bottom-up construction of organic crystals with extensive π-stacking and high polarizability. In the experiment, the researchers used many compounds, for example, 7-(Diethylamino)-2-oxo-2H-chromene-3-carbonitrile (cas: 51473-74-6Electric Literature of C14H14N2O2).

7-(Diethylamino)-2-oxo-2H-chromene-3-carbonitrile (cas: 51473-74-6) belongs to nitriles. Nitriles are polar, as indicated by high dipole moments. As liquids, they have high relative permittivities, often in the 30s. Asymmetric bioreduction of nitriles is an attractive route to produce optically active nitriles as current metal-catalyzed hydrogenations tend to have low reactivity.Electric Literature of C14H14N2O2

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Nitrile – Wikipedia,
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Bifunctional design of stable metal-organic framework bearing triazole-carboxylate mixed ligand: Highly efficient heterogeneous catalyst for knoevenagel condensation reaction under mild conditions was written by Liu, Feixiong;Kumar, Sandeep;Li, Shuangshuang;You, Hengzhi;Ren, Peng;Zhao, Limin. And the article was included in Catalysis Communications in 2020.Recommanded Product: 55490-87-4 This article mentions the following:

A highly water stable zinc metal-organic framework (ZnMOF), {[Zn(HL)₂]}_n, was synthesized using a triazole-carboxylate-based mixed ligand (L = 5-(4H-1,2,4-triazol-4-yl)isophthalic acid). A 2D MOF was formed by hydrothermal synthesis, and extended to a 3D supramol. network through strong hydrogen bonding. This MOF was fully characterized by Fourier-transformation IR spectroscopy, thermogravimetric anal., single-crystal X-ray diffraction (XRD), powder XRD and elemental anal. Owing to the d10 configuration of this ZnMOF, its luminescent properties were suitable for the sensing of the CN^– ions over other anions, as inferred from the florescence result. However, regarding the catalytic mechanism, this ZnMOF showed a strong ability to react with CN^–, which might be due to the hydrogen bonding between the COOH groups without coordination. This interaction behavior with CN^– ions makes the ZnMOF a promising heterogeneous catalyst for Knoevenagel condensations using malononitrile and aldehyde derivatives as reactants under mild conditions. All reactions were conducted in water as a green solvent. In the experiment, the researchers used many compounds, for example, 2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4Recommanded Product: 55490-87-4).

2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4) belongs to nitriles. Nitriles are polar, as indicated by high dipole moments. As liquids, they have high relative permittivities, often in the 30s. Some nitriles are manufactured by heating carboxylic acids with ammonia in the presence of catalysts. This process is used to make nitriles from natural fats and oils, the products being used as softening agents in synthetic rubbers, plastics, and textiles and for making amines.Recommanded Product: 55490-87-4

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Structure-activity relationships for 2-anilino-6-phenylpyrido[2,3-d]pyrimidin-7(8H)-ones as inhibitors of the cellular checkpoint kinase Wee1 was written by Palmer, Brian D.;Smaill, Jeff B.;Rewcastle, Gordon W.;Dobrusin, Ellen M.;Kraker, Alan;Moore, Charles W.;Steinkampf, Randall W.;Denny, William A.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2005.Safety of 2-(2,6-Dibromophenyl)acetonitrile This article mentions the following:

A series of 2-anilino-6-phenylpyrido[2,3-d]pyrimidin-7(8H)-ones, e.g., I, were synthesized and evaluated for their inhibitory properties against the non-receptor kinase c-Src and the G2/M checkpoint kinase Wee1. Overall, the compounds were 10-100-fold more potent inhibitors of c-Src than Wee1, and variation of substituents on the 6-Ph ring did not markedly alter this preference. Solubilizing substituents off the 2-anilino ring in many cases increased Wee1 activity, thus lowering this preference to about 10-fold. 5-Alkyl substituted analogs were generally Wee1 selective, but at the expense of absolute potency. In the experiment, the researchers used many compounds, for example, 2-(2,6-Dibromophenyl)acetonitrile (cas: 67197-53-9Safety of 2-(2,6-Dibromophenyl)acetonitrile).

2-(2,6-Dibromophenyl)acetonitrile (cas: 67197-53-9) belongs to nitriles. Nitriles are polar, as indicated by high dipole moments. As liquids, they have high relative permittivities, often in the 30s. Nitrile groups in organic compounds can undergo a variety of reactions depending on the reactants or conditions. A nitrile group can be hydrolyzed, reduced, or ejected from a molecule as a cyanide ion.Safety of 2-(2,6-Dibromophenyl)acetonitrile

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Solubility measurement and modelling of ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)-2-thiophenecarboxylate in four groups mixed solvents was written by Li, Xinbao;Han, Shuo;Zhao, Hongkun. And the article was included in Journal of Chemical Thermodynamics in 2016.Synthetic Route of C12H14N2O4S This article mentions the following:

The solubility of Et 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)-2-thiophenecarboxylate (ACET) in binary (acetone + methanol), (acetone + ethanol), (acetone + 1-butanol) and (acetone + isopropanol) solvent mixtures was investigated by the isothermal dissolution equilibrium method under 101.3 kPa. This study was carried out at different mass fractions of acetone ranging from 0.1 to 0.9 at T = (273.15-318.15) K. For the nine groups with each solvent mixture studied, the solubility of ACET in the mixed solutions increased with increasing temperature and mass fraction acetone. At the same temperature and mass fraction of acetone, the solubility of ACET was greater in (acetone + methanol) than in the other three solvent mixtures The exptl. solubility values were correlated by three co-solvency models (Jouyban-Acree model, van’t Hoff-Jouyban-Acree model and Apelblat- Jouyban-Acree model). The relative average deviations (RAD) and the root-mean-square deviations (RMSD) were all less than 1.49 × 10^-2 and 8.99 × 10^-4, resp. The Apelblat-Jouyban-Acree model provided best representation of the exptl. solubility Furthermore, the standard molar enthalpy of the ACET during the dissolving process (Δ_solH^o) was also derived in this work, and the results showed that the dissolution process is endothermic. The exptl. solubility and the models used in this work would be helpful in purifying of ACET from its crude mixtures In the experiment, the researchers used many compounds, for example, Ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate (cas: 58168-20-0Synthetic Route of C12H14N2O4S).

Ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate (cas: 58168-20-0) belongs to nitriles. There has been no report on the microbial biosynthesis of nitriles and the physiological function of such enzymes, nor was it not even known whether aliphatic and aromatic nitriles are biological compounds or just petrochemicals. In conventional organic reductions, nitrile is reduced by treatment with lithium aluminium hydride to the amine. Reduction to the imine followed by hydrolysis to the aldehyde takes place in the Stephen aldehyde synthesis, which uses stannous chloride in acid.Synthetic Route of C12H14N2O4S

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

A novel palladium-catalyzed amination of aryl halides with amines using rac-P-Phos as the ligand was written by Chen, Huansheng;Wang, Quanrui;Tao, Fenggang. And the article was included in Chinese Journal of Chemistry in 2009.Related Products of 10282-32-3 This article mentions the following:

An efficient palladium-catalyzed amination of aryl halides with amines, using rac-P-Phos as the ancillary ligand and Pd(OAc)₂ as the palladium source is developed. The ligand and all of the synthetic intermediates are stable to air and moisture, allowing easy handling. Aromatic amines, e.g. R¹C₆H₄NR²R³ (R¹ = H, 4-MeO, 4-Ph, etc.; R² = H, Me; R³ = PhCH₂, 4-MeC₆H₄, Ph; R²R³ = N-morpholinyl, N-indolyl), were obtained in high yields. In the experiment, the researchers used many compounds, for example, 4-(Benzylamino)benzonitrile (cas: 10282-32-3Related Products of 10282-32-3).

4-(Benzylamino)benzonitrile (cas: 10282-32-3) belongs to nitriles. The R-C-N bond angle in and nitrile is 180° which give a nitrile functional group a linear shape. Both the carbon and the nitrogen are sp hydridized which leaves them both with two p orbitals which overlap to form the two π bond in the triple bond. Alkyl nitriles are sufficiently acidic to undergo deprotonation of the C-H bond adjacent to the CN group.Strong bases are required, such as lithium diisopropylamide and butyl lithium. The product is referred to as a nitrile anion. Related Products of 10282-32-3

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

A metalloligand appended with benzimidazole rings: tetranuclear [CoZn₃] and [CoCd₃] complexes and their catalytic applications was written by Pandey, Saurabh;Bansal, Deepak;Gupta, Rajeev. And the article was included in New Journal of Chemistry in 2018.Related Products of 55490-87-4 This article mentions the following:

A novel Co³⁺-based metalloligand 1 offering appended benzimidazole rings was prepared and used for the synthesis of tetranuclear [CoZn₃] (2 and 2-Cl, 4) and [CoCd₃] (3) heterometallic coordination complexes (HCCs). Crystallog. studies of 2-Cl and 3 illustrate coordination of three secondary metal ions (Zn²⁺/Cd²⁺) to the appended benzimidazole rings of 1 thus producing tetranuclear HCCs. Both HCCs were used as heterogeneous catalysts for Knoevenagel condensation and Henry reactions. The stability and recyclability experiments illustrate the stable nature of both HCCs during the catalysis. In the experiment, the researchers used many compounds, for example, 2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4Related Products of 55490-87-4).

2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4) belongs to nitriles. There has been no report on the microbial biosynthesis of nitriles and the physiological function of such enzymes, nor was it not even known whether aliphatic and aromatic nitriles are biological compounds or just petrochemicals. In addition, Nitriles can react with alkynes, which leads to an increase in carbon chain length (carbocyanation).Related Products of 55490-87-4

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Copper-catalyzed direct amination of benzylic hydrocarbons and inactive aliphatic alkanes with arylamines was written by Yao, Hua;Xie, Bo;Zhong, Xiaoyang;Jin, Shengzhou;Lin, Sen;Yan, Zhaohua. And the article was included in Organic & Biomolecular Chemistry in 2020.Related Products of 10282-32-3 This article mentions the following:

A new synthetic method toward direct C-N bond formation through saturated C-H amination of benzylic hydrocarbons RCH₂R¹ (R = H, Me, Et; R¹ = Ph, 2-chlorophenyl, 3,5-dimethylphenyl, etc.) and inactive aliphatic alkanes such as cyclohexane with primary aromatic amines R²NH₂ (R² = Ph, 3-bromophenyl, pyridin-2-yl, pyrazin-2-yl, etc.) under an inexpensive catalyst/oxidant (Cu/DTBP) system has been developed. Both aminopyridines and anilines could react smoothly with primary and secondary benzylic C-H substrates or cyclohexane to form the corresponding aromatic secondary amines R²NHCH(R)R¹ or C₆H₁₁NHR² in moderate to good yields. This protocol has the advantages of wide functional group tolerance and use of readily available raw materials. In the experiment, the researchers used many compounds, for example, 4-(Benzylamino)benzonitrile (cas: 10282-32-3Related Products of 10282-32-3).

4-(Benzylamino)benzonitrile (cas: 10282-32-3) belongs to nitriles. Nitriles are polar, as indicated by high dipole moments. As liquids, they have high relative permittivities, often in the 30s. Alkyl nitriles are sufficiently acidic to undergo deprotonation of the C-H bond adjacent to the CN group.Strong bases are required, such as lithium diisopropylamide and butyl lithium. The product is referred to as a nitrile anion. Related Products of 10282-32-3

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts