Month: November 2022

On January 31, 2022, Chakraborty, Sourav; Rudra Paul, Abhijit; Majumdar, Swapan published an article.Name: 2-((1H-Indol-3-yl)methylene)malononitrile The title of the article was Base and metal free true recyclable medium for Knoevenagel condensation reaction in SDS-ionic liquid-aqueous miceller composite system. And the article contained the following:

This paper presents for the first time a base and metal free procedure for Knoevenagel condensation reaction in a neutral medium comprises water-SDS-imidazolium ionic liquid composite system. Knoevenagel condensation products from the different aromatic aldehydes and active methylene compounds such as malononitrile, Et cyanoacetate or cyano acetic acid provides good to excellent yields in all cases examined at 80掳C. The developed protocol has several advantages such as chromatog. and organic volatile solvent free protocol, short reaction time and recyclability of catalyst including reaction waste. The reaction is believed to proceed in the hydrophobic cavity of the micelle formed in the medium which was proved by dynamic light scattering studies. The experimental process involved the reaction of 2-((1H-Indol-3-yl)methylene)malononitrile(cas: 75629-62-8).Name: 2-((1H-Indol-3-yl)methylene)malononitrile

The Article related to aryl aldehyde active methylene compound knoevenagel condensation green chem, sds ionic liquid aqueous miceller composite system, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Hydrocarbons (Saturated and Unsaturated Side Chains) and other aspects.Name: 2-((1H-Indol-3-yl)methylene)malononitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Badiger, Krishnappa B.; Kamanna, Kantharaju published an article in 2021, the title of the article was Knoevenagel condensation reaction catalysed by agro-waste extract as a greener solvent catalyst.Name: 2-((1H-Indol-3-yl)methylene)malononitrile And the article contains the following content:

This paper present a novel Knoevenagel reaction protocol for the condensation of aromatic/heteroaromatic aldehydes RCHO (R = 2-phenylethenyl, naphthalen-1-yl, furan-2-yl, 1H-indol-3-yl, etc.) with malononitrile to give 伪, 尾-unsaturated benzylidene derivs RCH=C(CN)2. The main focus of this work is to reveal the usability of agro-waste extracts as a catalyst in the Knoevenagel condensation. In addition, the present method describes direct isolation of the formed products without using organic solvent extraction and gives good yields product. The experimental process involved the reaction of 2-((1H-Indol-3-yl)methylene)malononitrile(cas: 75629-62-8).Name: 2-((1H-Indol-3-yl)methylene)malononitrile

The Article related to unsaturated benzylidene preparation green chem, aryl aldehyde malononitrile knoevenagel condensation agro waste extract catalyst, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Hydrocarbons (Saturated and Unsaturated Side Chains) and other aspects.Name: 2-((1H-Indol-3-yl)methylene)malononitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Pippal, Parveen; Singh, Prabal Pratap published an article in 2017, the title of the article was Calcium ferrite, an efficient catalyst for Knoevenagel condensation (A green approach).Quality Control of 2-((1H-Indol-3-yl)methylene)malononitrile And the article contains the following content:

Calcium ferrite NPs catalyst were used as a cheaper and highly efficient catalyst for Knoevenagel condensation of active methylene substrates with various carbonyl compounds affording condensed products in excellent yields in shorter reaction time. The developed greener protocol was very simple, involving cleaner work up and the synthesized products did not require further purification The catalyst was easily removed and reused at least for four times without any appreciable change in reactivity. The experimental process involved the reaction of 2-((1H-Indol-3-yl)methylene)malononitrile(cas: 75629-62-8).Quality Control of 2-((1H-Indol-3-yl)methylene)malononitrile

The Article related to aryl aldehyde active methylene compound calcium ferrite knoevenagel condensation, cyanoalkene preparation green chem, calcium ferrite catalyst preparation crystallinity, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Hydrocarbons (Saturated and Unsaturated Side Chains) and other aspects.Quality Control of 2-((1H-Indol-3-yl)methylene)malononitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On November 30, 1988, Matsuo, Masaaki; Tsuji, Kiyoshi; Konishi, Nobukiyo; Okumura, Hiroyuki published a patent.Application In Synthesis of 3-Chloro-4-nitrobenzonitrile The title of the patent was Preparation of alkanesulfonanilides as analgesics and antiinflammatories. And the patent contained the following:

The title compounds [I; Ar = Q; R1 = alkyl, haloalkyl; R2 = acyl, cyano, CO2H, (un)substituted alkyl, etc.; R3 = H, NO2, alkyl, halo; R4-R7 = H, halo, haloalkyl, alkoxy, (un)substituted heterocyclyl; X = S(O)n, NHCO, CONH, R8N, R9CH; R8 = H, alkyl; R9 = H, OH; n = 0-2] and their pharmaceutically acceptable salts were prepared NaBH4 was added to 4′-acetyl-2′-[(2,4-difluorophenyl)thio]methanesulfonanilide in MeOH, and the mixture stirred overnight at room temperature and treated with AcOH to give 2′-[(2,4-difluorophenyl)thio]-4′-(1-hydroxyethyl)methanesulfonanilide (II). In rats 10 mg II/kg orally gave 90.1% inhibition of secondary lesions induced by Mycobacterium聽tuberculosis, a measure of antiinflammatory activity. 4′-Acetyl-2′-[(2,4-difluorophenyl)amino]methanesulfonanilide, also prepared, had an analgsic ED50 of 1.8 mg/kg orally in the mouse writhing test. The experimental process involved the reaction of 3-Chloro-4-nitrobenzonitrile(cas: 34662-29-8).Application In Synthesis of 3-Chloro-4-nitrobenzonitrile

The Article related to alkanesulfonanilide preparation analgesic antiinflammatory, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfenic, Sulfinic, and Sulfonic Acids and Derivatives and other aspects.Application In Synthesis of 3-Chloro-4-nitrobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On September 25, 1992, Tsuji, Kiyoshi; Nakamura, Katsuya; Konishi, Nobukiyo; Okumura, Hiroyuki; Matsuo, Masaaki published an article.Safety of 3-Chloro-4-nitrobenzonitrile The title of the article was Studies on antiinflammatory agents. I. Synthesis and pharmacological properties of 2′-phenoxymethanesulfonanilide derivatives. And the article contained the following:

Various 2′-phenoxymethanesulfonanilide derivatives I (R1 = H, NO2, CF3, CONH2, SEt, cyano, etc., R2 = H, COMe, Me) and II (R3-R5 = H, 2-F, 2,3-Cl2, 2-Br, 2-OMe, 2-SMe, etc.) were synthesized and evaluated for antiinflammatory and analgesic activities. Thus, 3-(2,4-difluorophenoxy)-4-nitrobenzonitrile reacted with Fe/NH4Cl/EtOH and MeSO2Cl/pyridine to give I (R1 = cyano, R2 = H). Some compounds bearing an electron-attracting substituent at the 4′-position strongly inhibited adjuvant-induced arthritis in rats and acetic acid-induced writhing syndrome in mice without causing gastro-intestinal irritation. Among them, 4′-cyano-(FK867) and 4′-acetyl-(FK3311) 2′-(2,4-difluorophenoxy)methanesulfonanilides were selected as the candidates for further development. The experimental process involved the reaction of 3-Chloro-4-nitrobenzonitrile(cas: 34662-29-8).Safety of 3-Chloro-4-nitrobenzonitrile

The Article related to phenoxymethanesulfonanilide preparation analgesic antiinflammatory, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfenic, Sulfinic, and Sulfonic Acids and Derivatives and other aspects.Safety of 3-Chloro-4-nitrobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On June 14, 2018, Andrez, Jean-Christophe; Bogucki, David Earl; Burford, Kristen Nicole; Chowdhury, Sultan; Cohen, Charles Jay; Decker, Shannon Marie; Dehnhardt, Christoph Martin; Devita, Robert Joseph; Empfield, James Roy; Focken, Thilo; Grimwood, Michael Edward; Hasan, Syed Abid; Jia, Qi; Johnson, James Philip, Jr.; Wilson, Michael Scott; Zenova, Alla Yurevna published a patent.Quality Control of 2-(Bromomethyl)-6-fluorobenzonitrile The title of the patent was Preparation of benzenesulfonamides and their use as therapeutic agents. And the patent contained the following:

The invention relates to preparation of benzenesulfonamides of formula I, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy. Compounds I wherein A is a direct bond, R1 is (un)substituted cycloalkyl, aryl, monocyclic heteroaryl, etc.; R2 is (un)substituted 5-membered or 6-membered heteroaryl; R3 is O, S(O)t, etc.; R6 is H, halo, haloalkyl; R7 is alkyl, alkenyl, halo, etc.; q is 1,2 or 3; t is 0, 1 or 2, are claimed. Compounds I were evaluated for their biol. activity in bioassays (data given). Compounds I can be used in the treatment of voltage-gated sodium channel-mediated diseases. The experimental process involved the reaction of 2-(Bromomethyl)-6-fluorobenzonitrile(cas: 1261686-95-6).Quality Control of 2-(Bromomethyl)-6-fluorobenzonitrile

The Article related to benzenesulfonamide preparation sodium channel disease treatment epilepsy, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfenic, Sulfinic, and Sulfonic Acids and Derivatives and other aspects.Quality Control of 2-(Bromomethyl)-6-fluorobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On December 1, 2021, Desai, Jigar; Patel, Bhaumin; Darji, Brijesh; Gite, Archana; Panchal, Nandini; Bhosale, Gokul; Shedage, Sandeep; Patel, Sandip; Kadam, Pravin; Patel, Gautam; Kumar Srivastava, Brijesh; Joharapurkar, Amit; Kshirsagar, Samadhan; Giri, Poonam; Bhayani, Hitesh; Patel, Ankit; Ghoshdastidar, Krishnarup; Bandyopadhyay, Debdutta; Kumar, Sanjay; Jain, Mukul; Sharma, Rajiv published an article.Quality Control of 3-Chloro-4-nitrobenzonitrile The title of the article was Discovery of novel, potent and orally efficacious inhibitor of neutral amino acid transporter B0AT1 (SLC6A19). And the article contained the following:

Rationally designed trifluoromethylsulfonyl derivatives were identified as novel, potent and orally bioavailable B0AT1 (neutral amino acid transporter) inhibitors. The compound I was found to be nanomolar potent (IC50: 0.035渭M) B0AT1 inhibitor with excellent pharmacokinetic profile (%F: 66) in mice and efficacious in vivo in diet induced obese (DIO) mice model. The experimental process involved the reaction of 3-Chloro-4-nitrobenzonitrile(cas: 34662-29-8).Quality Control of 3-Chloro-4-nitrobenzonitrile

The Article related to aryl sulfonamide preparation b0at1 neutral amino acid transporter inhibitor, b(0)at1, nimesulide, nitro group, trifluoromethyl sulfonyl, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfenic, Sulfinic, and Sulfonic Acids and Derivatives and other aspects.Quality Control of 3-Chloro-4-nitrobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On June 16, 1997, Peinador, Carlos; Quintela, Jose Ma.; Moreira, Maria J. published an article.Reference of 2-Aminomalononitrile 4-methylbenzenesulfonate The title of the article was A short and facile synthesis for heteromine A. And the article contained the following:

The first and efficient synthesis of the new purinium natural product, heteromine A, involving 5-amino-4-cyano-1-methylimidazole and N,N-dimethyldichlomethyleniminium chloride was reported. The experimental process involved the reaction of 2-Aminomalononitrile 4-methylbenzenesulfonate(cas: 5098-14-6).Reference of 2-Aminomalononitrile 4-methylbenzenesulfonate

The Article related to heteromine a synthesis, Biomolecules and Their Synthetic Analogs: Others, Including Purines, Pyrimidine Nucleic Acid Bases, Flavins, Lignans and other aspects.Reference of 2-Aminomalononitrile 4-methylbenzenesulfonate

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On December 1, 2001, Hirota, Kosaku; Kazaoka, Kazunori; Niimoto, Itaru; Sajiki, Hironao published an article.Safety of 2-Aminomalononitrile 4-methylbenzenesulfonate The title of the article was Novel and efficient synthesis of 8-oxoadenine derivatives. And the article contained the following:

A novel synthetic method for the preparation of 8-oxoadenine derivatives was reported. This widely applicable synthetic method was realized through the use of 5-amino-2,3-dihydro-2-oxo-1-(phenylmethyl)-1H-imidazole-4-carbonitrile as the key intermediates. A variety of substituents were successfully introduced to the 2- and 9-position of the 8-oxoadenine nucleus. The experimental process involved the reaction of 2-Aminomalononitrile 4-methylbenzenesulfonate(cas: 5098-14-6).Safety of 2-Aminomalononitrile 4-methylbenzenesulfonate

The Article related to oxoadenine aminopurinone preparation, amino oxo imidazolecarbonitrile preparation cyclocondensation amidine, Biomolecules and Their Synthetic Analogs: Others, Including Purines, Pyrimidine Nucleic Acid Bases, Flavins, Lignans and other aspects.Safety of 2-Aminomalononitrile 4-methylbenzenesulfonate

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

On January 1, 1982, Taylor, Edward C.; Dumas, Donald J. published an article.Related Products of 5098-14-6 The title of the article was Pteridines. 49. Synthesis of 2,4-diamino-6,8-dihydro-7-aryl-8-oxopyrrolo[3,4-g]pteridines. And the article contained the following:

Reaction of Et 4-chloro-2-oximino-3-oxobutyrate with aminomalononitrile tosylate followed by deoxygenation of the resulting pyrazine 1-oxide provides the cyanopyrazine (I). Treatment of I with arylamines gives the (arylaminomethyl)cyanopyrazines II (R = H, Me) which are readily cyclized to the oxopyrrolopyrazines III. Condensation of III with guanidine acetate in DMF then provides the title compounds IV (R = H, Me). The experimental process involved the reaction of 2-Aminomalononitrile 4-methylbenzenesulfonate(cas: 5098-14-6).Related Products of 5098-14-6

The Article related to pyrrolopteridinone diamino, pyrrolopyrazine cyano amino cyclization guanidine, pyrazinecarboxylate arylaminomethyl cyclization, Biomolecules and Their Synthetic Analogs: Others, Including Purines, Pyrimidine Nucleic Acid Bases, Flavins, Lignans and other aspects.Related Products of 5098-14-6

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts