Nitriles-buliding-blocks

Konstantinova, Lidia S. et al. published their research in Journal of the Chemical Society in 1999 |CAS: 2510-01-2

The Article related to indenothiazine preparation, indenodithiole preparation, indenothiophene preparation, thiazine indeno preparation, dithiole indeno preparation, thiophene indeno preparation and other aspects.Synthetic Route of 2510-01-2

On April 21, 1999, Konstantinova, Lidia S.; Rakitin, Oleg A.; Rees, Charles W.; Souvorova, Ljudmila I.; Torroba, Tomas published an article.Synthetic Route of 2510-01-2 The title of the article was One-pot synthesis of indeno-1,2-thiazines, -[1,2]dithioles and thiophenes; new liquid crystalline materials. And the article contained the following:

In a search for further examples of a new type of discotic liquid crystal, the authors have examined the reactions of S2Cl2 in the presence of a chlorinating agent (NCS) and a base (Hunig’s base or DABCO), mostly in THF, with cyclopent-1-enylacetic acid (I), inden-3-ylacetic acid (II) and its nitrile (III) and 1-(dicyanomethylene)indane (IV). The cyclopentene acid I gives purple crystals of the trichlorocyclopenta[1,2]dithiole ester, the product of heterocyclic ring formation, chlorination and dehydrochlorination and, unexpectedly, conversion of the acid in THF into its 4-chlorobutyl ester. Indenylacetic acid II gives methyleneindenes, the tricyclic 1,2-dithiolone V and the deep purple thiophene VI. Indenylacetonitrile III gives E-1-(伪-chloro-伪-cyanomethylene)indane and E- and Z-1-(伪-chloro-伪-cyanomethylene)-2,3-dichloroindene and Z-2-chloro-1-(伪-cyanomethylene)indane, depending upon the precise reaction conditions. Dicyanomethylene indane IV gives 1-(dicyanomethylene)-2,3-dichloroindene (VII) and the red, thermochromic 3,9-dichloro-4-cyanoindeno[1,2-e]-1,2-thiazine; the analogous cyano-ester gives the corresponding products. On melting, crystals of VI and VII are strongly birefringent. Mechanisms are proposed for the new transformations. The experimental process involved the reaction of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile(cas: 2510-01-2).Synthetic Route of 2510-01-2

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Jung, J. et al. published their research in Journal of Hazardous Materials in 2019 |CAS: 5098-14-6

The Article related to prebiotic chem inspired media stormwater greywater disinfection, antimicrobial media, disinfection, filter media, greywater, prebiotic chemistry inspired polymer, stormwater and other aspects.Recommanded Product: 2-Aminomalononitrile 4-methylbenzenesulfonate

On October 15, 2019, Jung, J.; Menzies, D. J.; Thissen, H.; Easton, C. D.; Evans, R. A.; Henry, R.; Deletic, A.; McCarthy, D. T. published an article.Recommanded Product: 2-Aminomalononitrile 4-methylbenzenesulfonate The title of the article was New prebiotic chemistry inspired filter media for stormwater/greywater disinfection. And the article contained the following:

Greywater and stormwater have received significant attention due to increasing water scarcity. Passive filtration such as biofiltration has been a popular treatment method with its low energy input and environmental friendliness. However, pathogen removal capacity needs improvement to achieve safe water quality. In this study, a prebiotic chem. inspired copolymer based on aminomalononitrile and 3,4,5-trihydroxybenzaldehyde (AMNT30) was introduced to develop antimicrobial media for passive filtration. The AMNT30 polymer provided an adhesive coating on zeolite substrates following a spontaneous polymerization process at room temperature AMNT30 coated media were investigated for metal loading capacity, surface morphol., E. coli removal and metal leaching after filtration of different water sources (i.e. stormwater, greywater, and deionized water) at low/high conductivity The coating enhanced metal ion loading on the surface and demonstrated that >8 log reduction of E. coli can be achieved for silver loaded materials compared to a 1 log reduction for copper loaded materials. The coating also increased the stability of the metals on the media irresp. of inflow characteristics. This study provided the first example using AMNT30 to create antimicrobial water purification media. It is expected that this technol. will find applications in the water treatment industry. The experimental process involved the reaction of 2-Aminomalononitrile 4-methylbenzenesulfonate(cas: 5098-14-6).Recommanded Product: 2-Aminomalononitrile 4-methylbenzenesulfonate

Referemce:
Nitrile – Wikipedia,
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Bernasconi, Claude F. et al. published their research in Journal of the American Chemical Society in 1996 |CAS: 13544-06-4

The Article related to deprotonation nitrophenylacetonitrile piperidine kinetics mechanism, broensted lfer deprotonation nitrophenylacetonitrile, solvent effect deprotonation nitrophenylacetonitrile and other aspects.Synthetic Route of 13544-06-4

On November 20, 1996, Bernasconi, Claude F.; Wenzel, Philip J. published an article.Synthetic Route of 13544-06-4 The title of the article was Kinetics of Proton Transfer from 2-Nitro-4-X-phenylacetonitriles to Piperidine and Morpholine in Aqueous Me2SO. Solvent and Substituent Effects on Intrinsic Rate Constants. Transition State Imbalances. And the article contained the following:

Rate constants (k1B) for the deprotonation of 2-nitro-4-X-phenylacetonitrile, 2-X (X = NO2, SO2CH3, CN, CF3, Br, and Cl) by piperidine and morpholine and for the reverse reaction (k-1BH) have been determined in 90% Me2SO-10% water, 50% Me2SO-50% water, and water (X = NO2, SO2CH3, CN only). Broensted 尾B values (dlog k1B/dpKaBH), Broensted 伪CH values (dlog k1B/dlog KaCH), and intrinsic rate constants (log ko = log(k1/q) for pKaBH – pKaCH + log(p/q) = 0) were calculated from these data. 伪CH Is smaller than 尾B, implying an imbalance which is consistent with a transition state in which delocalization of the neg. charge into the 2-nitrophenyl moiety lags behind proton transfer. A consequence of this imbalance is that the intrinsic rate constant decreases with increasing electron withdrawing strength of X. For 蟺-acceptor substituents (NO2, SO2CH3, CN) there is a further decrease in ko due to a lag in the delocalization of the charge into X. The intrinsic rate constants depend very little on the Me2SO content of the solvent which is shown to be the result of compensation of mainly two competing factors. One is the stabilization of the polarizable transition state by the polarizable Me2SO which increases ko; the other is attributed to a lag in the solvation of the developing carbanion behind proton transfer at the transition state which leads to a decrease in ko. The experimental process involved the reaction of 2-(2-Nitro-4-(trifluoromethyl)phenyl)acetonitrile(cas: 13544-06-4).Synthetic Route of 13544-06-4

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Nitrile – Wikipedia,
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Colvin, Ernest W. et al. published their research in Tetrahedron Letters in 1982 |CAS: 5098-14-6

The Article related to phosphinylhydroxylamine amination phosphonoacetate malonate anion, grignard reagent amination phosphinylhydroxylamine, hydroxylamine phosphinyl amination phosphonoacetate anion and other aspects.Category: nitriles-buliding-blocks

On September 10, 1982, Colvin, Ernest W.; Kirby, Gordon W.; Wilson, Arthur C. published an article.Category: nitriles-buliding-blocks The title of the article was O-(Diphenylphosphinyl)hydroxylamine: a new reagent for electrophilic C-amination. And the article contained the following:

Ph2P(O)ONH2 (I) efficiently aminated (EtO)2P(O)CH-CO2CH2Ph, (EtO2C)2CH-, (NC)2CH-, PhMgBr, and Me(CH2)5MgBr in THF at -78掳 under Ar. E.g., treatment of (EtO)2P(O)CH2CO2CH2Ph with NaH at room temperature under Ar, then I at -78掳 gave 60% (EtO)2P(O)CH(NH2)CO2CH2Ph. The experimental process involved the reaction of 2-Aminomalononitrile 4-methylbenzenesulfonate(cas: 5098-14-6).Category: nitriles-buliding-blocks

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Nitrile – Wikipedia,
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Mirek, Julian et al. published their research in Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie in 1986 |CAS: 2510-01-2

The Article related to cyclopentylidenemalononitrile aryl aldehyde condensation, knoevenagel condensation malononitrile benzylidenecyclopentanone, indan cyano arylidene aryl, aminonitrile fluorescence and other aspects.SDS of cas: 2510-01-2

On November 30, 1986, Mirek, Julian; Milart, Piotr published an article.SDS of cas: 2510-01-2 The title of the article was Differences between the reaction of 2-benzylidenecyclopentanone with malononitrile and the reaction of cyclopentylidenemalononitrile with aromatic aldehydes. Synthesis of strong fluorescent o-aminonitriles. And the article contained the following:

Knoevenagel condensation of CH2(CN)2 with benzylidinecyclopentanone (I, X = O) gave adduct I [X = C(CN)2] in 23% yield. In contrast, condensation of cyclopentylidenemalononitrile (II) or its dimer (III) with RCHO (IV, R = Ph, 4-MeC6H4, 4-ClC6H4) gave indene derivatives V in 58-70% yields. III is suggested to undergo an electrocyclic ring opening to a reactive trienic intermediate which condenses with IV and then cyclizes and aromatizes to V. Solutions of the aminonitriles exhibited strong fluorescence in a variety of solvents. The experimental process involved the reaction of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile(cas: 2510-01-2).SDS of cas: 2510-01-2

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Nitrile – Wikipedia,
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Chandrappa, S. et al. published their research in Synlett in 2010 |CAS: 34662-29-8

The Article related to nitro aryl reduction iron calcium chloride catalytic transfer hydrogenation, azo aromatic cleavage iron calcium chloride catalytic transfer hydrogenation, aryl amine preparation and other aspects.Safety of 3-Chloro-4-nitrobenzonitrile

On December 15, 2010, Chandrappa, S.; Vinaya, K.; Ramakrishnappa, T.; Rangappa, K. S. published an article.Safety of 3-Chloro-4-nitrobenzonitrile The title of the article was An efficient method for aryl nitro reduction and cleavage of azo compounds using iron powder/calcium chloride. And the article contained the following:

A novel, efficient Fe/CaCl2 system was revealed for the reduction of nitro-arenes and reductive cleavage of azo compounds by catalytic transfer hydrogenation. The selective reduction of nitro compounds in the presence of sensitive functional groups including halides, carbonyl, hydroxyl, aldehyde, Me, methoxy, acetyl, nitrile, and ester substituents with an excellent yields is reported. The simple exptl. procedure and easy purification make the protocol advantageous. The experimental process involved the reaction of 3-Chloro-4-nitrobenzonitrile(cas: 34662-29-8).Safety of 3-Chloro-4-nitrobenzonitrile

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Nitrile – Wikipedia,
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Jain, S. et al. published their research in Journal of Scientific Research (Rajshahi, Bangladesh) in 2012 |CAS: 75629-62-8

The Article related to indole carboxaldehyde malononitrile cyanoacetate condensation, indolyl acrylonitrile preparation antibacterial hydrazine cyclocondensation, indolylidene aminopyrazole preparation antibacterial and other aspects.Computed Properties of 75629-62-8

Jain, S.; Reddy, B. N.; Rao, K. S. published an article in 2012, the title of the article was Synthesis of biheterocycles containing indole nucleus and their antibacterial activity.Computed Properties of 75629-62-8 And the article contains the following content:

Indole-3-carboxaldehydes underwent condensation with Et cyanoacetate and malononitrile to give the acrylonitrile which on reaction with hydrazine hydrate yield 3,5-diamino-5-hydroxy-4-(3-indolylmethylene)pyrazoles and 3-amino-5-hydroxy-4-(3-indolylmethylene)pyrazoles, resp. The new compounds were also screened for their antibacterial activity. The experimental process involved the reaction of 2-((1H-Indol-3-yl)methylene)malononitrile(cas: 75629-62-8).Computed Properties of 75629-62-8

Referemce:
Nitrile – Wikipedia,
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Alizadeh, Abdolali et al. published their research in Helvetica Chimica Acta in 2015 |CAS: 2510-01-2

The Article related to malononitrile ninhydrin condensation triethylamine catalyst, dioxo indenylidene malononitrile preparation alkylidenemalononitrile vinylogous michael addition, polysubstituted benzene preparation and other aspects.Product Details of 2510-01-2

Alizadeh, Abdolali; Sedighian, Hadi; Yasub Hosseini, Seyed; Zhu, Long-Guan published an article in 2015, the title of the article was Synthesis of Polysubstituted Benzenes via the Vinylogous Michael Addition of Alkylidenemalononitriles to 2-(1,3-Dioxo-1H-inden-2(3H)-ylidene)malononitrile.Product Details of 2510-01-2 And the article contains the following content:

An efficient synthesis for polysubstituted benzenes I [R1 = H; R1R2 = CH2CH2CH2, CH2CH2CH2CH2, etc.; R2 = C6H5, 4-H3CC6H4, chromen-2-one-3yl, etc.; R3 = CH3, CH2CH3] were successfully developed by the reaction of ninhydrin (2,2-dihydroxyindane-1,3-dione), malononitrile (propanedinitrile) and alkylidenemalononitrile. The method involves vinylogous Michael addition of alkylidenemalononitrile to 2-(1,3-dioxo-1H-inden-2(3H)-ylidene)malononitrile, which formed by condensation of malononitrile and ninhydrin in the presence of Et3N, and the alc. solvent has participated in the reaction as a reagent. The method has the advantages of good yields and of not requiring a metal catalyst. The structures were confirmed spectroscopically and in the case of compound I [R1R2 = -CH2CH2CH2CH2-; R3 = CH3], by X-ray crystallog. A plausible mechanism for this reaction is proposed. The experimental process involved the reaction of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile(cas: 2510-01-2).Product Details of 2510-01-2

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Nitrile – Wikipedia,
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Wang, Xiang-Shan et al. published their research in Synlett in 2008 |CAS: 2510-01-2

The Article related to dihydroindenylidene malononitrile aryl aldehyde malononitrile catalyst heterocyclization, aryl indenopyridine carbonitrile derivative preparation, ionic liquid green chem heterocyclization solvent and other aspects.Reference of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile

On May 5, 2008, Wang, Xiang-Shan; Wu, Jian-Rong; Li, Qing; Yao, Chang-Sheng; Tu, Shu-Jiang published an article.Reference of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile The title of the article was A novel and green method for the synthesis of indeno[2,1-c]pyridine derivatives in ionic liquid catalyzed by malononitrile. And the article contained the following:

1-Aryl-9H-indeno[2,1-c]pyridine-4-carbonitrile derivatives, e.g., I, were unexpectedly obtained from the reaction of 2-(2,3-dihydroinden-3-ylidene)malononitrile (II), aldehydes (such as 4-tolualdehyde), and malononitrile in ionic liquid at 90 °C. Modification of the novel reaction protocol resulted in a two-component reaction between II and aryl and heteroaryl aldehydes catalyzed by 10 mol% malononitrile. A 1,5-hydrogen transfer was proposed to occur in the formation of the product. The experimental process involved the reaction of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile(cas: 2510-01-2).Reference of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile

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Nitrile – Wikipedia,
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Nakao, Kazunari et al. published their patent in 2002 |CAS: 34662-29-8

The Article related to imidazoarene preparation antiinflammatory analgesic, prostaglandin receptor antagonist imidazoarene preparation, benzimidazole imidazopyridine preparation ep4 antagonist analgesic antiinflammatory and other aspects.Recommanded Product: 3-Chloro-4-nitrobenzonitrile

On April 25, 2002, Nakao, Kazunari; Okumura, Yoshiyuki; Matsumizu, Miyako; Uneo, Naomi; Hashizume, Yoshinobu; Kato, Tomoki; Kawai, Akiyoshi; Miyake, Yoriko; Nukui, Seiji; Shinjyo, Katsuhiro; Taniguchi, Kana published a patent.Recommanded Product: 3-Chloro-4-nitrobenzonitrile The title of the patent was Preparation of imidazoarenes as antiinflammatory and analgesic agents.. And the patent contained the following:

Title compounds [I; Y1-Y4 = N, CH, CL; R1 = H, (substituted) alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, pyrrolidinyl, amino, etc.; A = (substituted) 5-6 membered monocyclic aromatic ring optionally containing up to 3 heteroatoms selected from O, N, S, etc.; B = halo-substituted alkylene, cycloalklylene, alkenylene, alkynylene, alkyleneoxy, etc., optionally substituted with an oxo group; W = amino, O, S, bond, etc.; R2 = H, OH, alkyl, alkoxy; Z = 5-12 membered (substituted) monocyclic or bicyclic aryl optionally containing up to 3 heteroatoms selected from O, N and S, etc.; L = halo, alkyl, haloalkyl, OH, alkoxy, haloalkoxy, alkylthio, NO2, amino, etc.], were prepared as prostaglandin E2 receptor antagonists, preferably as EP4 receptor antagonists. Thus, to 2-[4-(2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridin-3-yl)phenyl]ethylamine (preparation given) in CH2Cl2 was added p-toluenesulfonyl isocyanate followed by stirring for 3 h to give 56% 2-ethyl-5,7-dimethyl-3-[4-[2-[[[[(4-methylphenyl)sulfonyl]amino]carbonyl]amino]ethyl]phenyl]-3H-imidazo[4,5-b]pyridine. Preferred I inhibited PGE2-induced thermal hyperalgesia in rats with ED50<60 mg/kg. The experimental process involved the reaction of 3-Chloro-4-nitrobenzonitrile(cas: 34662-29-8).Recommanded Product: 3-Chloro-4-nitrobenzonitrile

Referemce:
Nitrile – Wikipedia,
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