2024 Thiocyanation of anilines

Thiocyanation of anilines

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WebAug 14, 2013 · A green and simple procedure for the thiocyanation of aromatic and heteroaromatic compounds is described. [2-(Sulfooxy)ethyl]sulfamic acid (SESA) (supported on silica) is easily produced by addition of chlorosulfonic acid to 2-aminoethanol and this catalyst is applied as an efficient, reusable, and heterogeneous catalyst for the … WebHerein, we described a practical and efficient one-pot oxidative trifluoromethylthiolation of amines. A panel of primary and secondary amines was functionalized in good yields at …

Rapid and efficient thiocyanation of phenols, indoles, and …

Web开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebApr 4, 2012 · The thiocyanation reaction of various electron rich arenes such as anilines, indoles, phenols, and other aromatic compounds were selected to show the catalytic performance and efficiency of the as ... old rob lowe

Mechanochemical Thiocyanation of Aryl Compounds via C–H ...

WebAug 14, 2024 · A highly efficient and general method for the direct Csp 2 −H radical thiocyanation of free anilines was developed under transition-metal-free conditions, … Webthiocyanation of indoels, pyrroles, anilines and also indolines. This report is one of the two papers which thiocyanated indoline successfully 34. Reaction of (dichloroiodo)benzene/NH 4SCN or Zn(SCN) 2 was used for thiocyanation of anilines 35. Poly(4-diacetoxyiodo)styrene (PDAIS)/NH 4SCN 36 was also used for thiocyanation of indoles and anilines. WebThe direct thiocyanation of indoles and pyrrole with ammonium thiocyanate has been achieved using o-iodoxybenzoic acid (IBX) under mild and neutral conditions to produce indol-3-yl and pyrrol-2-yl thiocyanates, respectively, in excellent yields and with high selectivity. This method is effective even with N-substituted arylamines for the … my ohio center

Effective metal-free electrooxidative thiocyanation of anilines

Rapid and efficient thiocyanation of phenols, indoles, and anilines …

WebFeb 8, 2024 · Photochemical thiocyanation of electron-rich arenes was performed under both homogeneous and heterogeneous conditions. In the homogeneous version, anilines … WebJun 19, 2024 · An efficient nickel-catalyzed C–H trifluoromethylation for the synthesis of trifluoromethylated free anilines using Togni’s reagent has been developed. This approach exhibits a good functional group tolerance, good regioselectivity, and chemoselectivity under mild conditions. The newly developed economical one-step method is a better alternative … my ohio health annual enrollmentWebAn efficient and solvent-free approach for the regioselective thiocyanation of various substituted anilines and indoles was designed and the synthesis of the target compds. [i.e., thiocyanic acid 4-aminophenyl ester derivs., thiocyanic acid 1H-indol-3-yl ester derivs.] was achieved under microwave-mediated reaction conditions (green chem.). old robbery movies

"" - Thiocyanation of anilines

Thiocyanation of anilines

Two-step synthesized sulfonic acid functionalized imidazolium ...

WebMar 1, 2012 · The thiocyanation reaction of various electron rich arenes such as anilines, indoles, phenols, and other aromatic compounds were selected to show the catalytic … WebSep 4, 2024 · The electrophilic thiocyanation of aromatic and heteroaromatic compounds such as oxindoles, indoles, isatins, indolines, quinolines, and pyrroles and also N-activeted arenes such as anilines, N,N-dialkylamines, and arylamines with thiocyanation …

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WebMay 24, 2024 · A C-3 thiocyanation of 2-aryl-quinolin-4-ones in the presence of eosin-Y and visible light has been developed. The methodology allows easy access to a variety of 2-aryl-3-thiocyano-quinolin-4-ones in moderate to high yields. Regioselective para-thiocyanation of anilines has also been achieved under these conditions. The reaction is ... WebThis catalyst is used in regioselective thiocyanation of indoles, anilines, pyrroles and their derivatives (aromatic and heteroaromatic organic compounds) in the presence of H2O2 …

WebAug 14, 2024 · In the presence of tert ‐butyA highly efficient general method for the transition‐metal‐free, direct Csp 2 –H radical thiocyanation of free anilines was … WebWhen serving as a metal-free photocatalyst for an undocumented visible-light-driven thiocyanation of anilines, CMP-1 exhibits excellent photocatalytic performance, with …

WebDec 12, 2024 · Anilines substituted at C-4 were employed to complete the scope investigation (Table 2). As expected, the C-2 thiocyanation product underwent an in situ cyclization through an attack of the −NH 2 group onto −SCN generating 1,3 … http://article.sapub.org/10.5923.j.ajoc.20120245.02.html

WebJun 5, 2013 · Semantic Scholar extracted view of "Electrochemical thiocyanation of nitrogen-containing aromatic and heteroaromatic compounds" by L. Fotouhi et al. ... mild, and efficient procedures for the thiocyanation of N-heterocycles, substituted anilines (electron-rich and electron-deficient), and N-substituted aromatic amines at room …

WebA convenient and practical thiocyanation of pyrazoles is reported employing a combination of KSCN and K2S2O8 in dimethyl sulfoxide (DMSO). The salient features of the present reaction include environmentally benign reagents and solvents, and simple old robie school gorham maineWebWhen serving as a metal-free photocatalyst for an undocumented visible-light-driven thiocyanation of anilines, CMP-1 exhibits excellent photocatalytic performance, with single chemoselectivity and high yields for the conversion of 25 types of anilines at ambient conditions. This study fills in the gap of the tubular morphological engineering of ... my ohio gov loginWebOct 22, 2024 · The report is the first example on the visible-light mediated thiocyanation of cinnamic acids, ... (2024) Transition-metal-free regioselective thiocyanation of phenols, … my ohio email state of ohioWebIn the presence of tert ‐butyA highly efficient general method for the transition‐metal‐free, direct Csp 2 –H radical thiocyanation of free anilines was developed, which can be used … my ohio health chartWebBased on these principles, imide-based COFs with large-pores and enhanced stability were synthesized by the combination of several trigonal anilines with ditopic pyromellitic dianhydride. The base-catalyzed nucleophilic aromatic substitution reaction between polyfluorinated-activated aromatic compounds and catechol-like alcohols allowed to ... my ohio health rewardsWebThe author used CMP-1 as a metal-free photocatalyst that demonstrates outstanding photocatalytic efficiency for the visible-light-driven chemoselective thiocyanation of anilines 78, obtaining excellent to high yields 79 with respect to the transformation of various types of anilines under ambient conditions. 33 The photocatalyst can be used ... my ohio healthcare fcuWebOct 22, 2024 · The report is the first example on the visible-light mediated thiocyanation of cinnamic acids, ... (2024) Transition-metal-free regioselective thiocyanation of phenols, anilines and heterocycles. Tetrahedron Lett 58:415–418. Article CAS Google Scholar Chen B, Guo S, Guo X, Zhang G, Yu Y (2015) Selective access to 4-substituted 2 ... my ohio health portal