WebOxidized bis (indolyl)methane, 1, a simple chromophore containing an acidic H-bond donor moiety and a basic H-bond acceptor moiety, can act as a selective colorimetric sensor either for F - in aprotic solvent or for HSO 4- and weak acidic species in water-containing medium.
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WebIn this review, we summarized the latest developments on the synthesis of various bis/tris (indolyl)methane derivatives from the reactions of two equivalents of indoles and one … WebMar 1, 2014 · In this paper we report the synthesis of new bis (indolyl)methane derivatives bearing arylthiophene spacers ( 2a–d) functionalized with electron-donating and electron-withdrawing groups, and the photophysical studies in different solvents, such as ethanol, acetonitrile, dichloromethane, trichloromethane, dimethylsulfoxide, diethylether and …
WebNov 28, 2024 · Thiamine hydrochloride as a recyclable organocatalyst for the synthesis of bis (indolyl)methanes, tris (indolyl)methanes, 3,3-di (indol-3-yl)indolin-2-ones and biscoumarins Thiamine hydrochloride as a recyclable organocatalyst for the synthesis of bis (indolyl)methanes, tris (indolyl)methanes, 3,3-di (indol-3-yl)indolin-2-ones and … WebSilica supported sodium hydrogen sulfate and amberlyst‐15: Two efficient heterogeneous catalysts for facile synthesis of bis‐and tris (1H‐indol‐3‐yl) methanes from Indoles and …
WebBis- and tris-indolyl methanes were synthesized at room temperature in high yields by using Zr (DS)4 under aqueous media. Zr (DS)4 was also recovered and reused for new runs. u0002 2006 Elsevier B.V. All rights reserved. Keywords: Indoles; Aldehydes; Ketones; Bis-indolyl methanes; Sodium dodecyl sulfate; Zirconium tetrakis (dodecyl sulfate) 1. WebAffiliations 1 Key Laboratory of Chemistry of Northwestern Plant Resources of CAS, Key, Laboratory for Natural Medicine of Gansu Province, Lanzhou institute of Chemical, Physics, Chinese Academy of Sciences, Lanzhou, P. R. China.; 2 University of Chinese Academy of Sciences, Beijing, P. R. China.
WebA simple, clean, and highly efficient green protocol has been developed for synthesis of bis (indolyl), di (bis-indolyl), and tris-indolyl methanes by the reaction of indole with …
WebIn this review, we summarized the latest developments on the synthesis of various bis/tris (indolyl)methane derivatives from the reactions of two equivalents of indoles and one equivalent of aldehydes or indole-3-carbaldehydes under various reaction conditions. in the night garden horror versionWebMar 1, 2012 · Also tris-indolyl methane was produced in excellent yield ( Table 1, entry 10). As it is expected, N -methyl indole provided better yields of products by comparing with indole under the same reaction conditions. in the night garden home gamesWebApr 1, 2012 · Among various indole analogs, tris(indolyl)methane derivatives (TIMs) display versatile biological and pharmacological activities . TIMs show an affinity for hydride ions … new image hairdressers biggarWebTris(hydroxymethyl)nitromethane C4H9NO5 CID 31337 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological ... new image hairdressers bockingWebMay 1, 2016 · A new nitro-substituted tris(indolyl)methane modified silica was prepared in green solvent DESs and used to extract four organic acids from water samples. The nitro … in the night garden high chairWebPolyvinylpolypyrrolidone-supported triflic acid (PVPP·OTf) as a new, efficient, and recyclable heterogeneous catalyst for the synthesis of bis-indolyl methane derivatives in the night garden horrorWebApr 15, 2000 · The novel indole derivatives 2,2-bis(3,3‘-indolyl)propionic acid (1); 1,1,1,-tris(3,3‘,3‘‘-indolyl)ethane (2); and 2,2-bis(3,3‘-indolyl)isocaproic acid (3) were isolated from solvent extracts of indole-supplemented supernatants of Escherichia coli and corynebacteria. The compounds were also obtained by chemical synthesis: compounds 1 … in the night garden hoopoes