Thiocyanaation
The electrophilic thiocyanation of various aromatic, heteroaromatic and N-activeted arenes compounds are a direct method for make a new C–S bond, and this transformation is an interesting reaction in organic synthesis [2] and in pharmaceuticals [3].For instance, Pezzalla and co-workers synthesized some 3-indolylthiols from reaction of 3-thiocyanatoin-doles by SmI 2 reduction and acetylation ... WebA simple and efficient FeCl 3-mediated method for the α-thiocyanation of ketones produces α-oxo thiocyanates in very good yields and with high selectivity under mild …
Thiocyanaation
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http://www.delta-f.com/details/1158856 WebMost likely, thiocyanation occurs at para - to the −NH 2 group, followed by attack of the −OH group onto the −SCN group. This leads to a 2-iminobenzo [ d ] [1,3]oxathiol-6-amine, which undergoes hydrolysis in situ to afford 6-aminobenzo [ …
WebDec 23, 2011 · The electrophilic thiocyanation of aromatics and heteroaromatics is an important carbon-heteroatom bond formation reaction in organic synthesis [1–3]. Thiocyanate is a versatile synthon which can be readily transferred to other functional groups such as sulfide [4–7], aryl nitrile , thiocarbamate , and thionitrile . WebJun 22, 2024 · Substrate scope of thiocyanation ipso -cyclization of N -propargylanilines. Reaction conditions: 1 (0.10 mmol), R1 (0.15 mmol, 1.5 equiv), AlCl 3 (0.02 mmol, 20 mol%), CH 2 Cl 2 (1.5 mL), Ar, room temperature. Isolated yields are reported.
WebMay 31, 2024 · An enantioselective thiocyanation of oxindoles has been developed for the first time using a bifunctional cinchona-derived organo-catalyst and N-thiocyanatophthalimide as the electrophilic thiocyanation source in the presence of 2-naphthol as the additive. Various enantioenriched 3,3′-disubstituted oxindoles with SCN … http://article.sapub.org/10.5923.j.ajoc.20120245.02.html
WebJul 6, 2024 · Photocatalytic C–H Thiocyanation of NH2-Enaminones and the Tunable Synthetic Routes to 2-Aminothiazoles and 2-Thiazolinones. The Journal of Organic …
WebSAFETY DATA SHEET Creation Date 26-Jun-2014 Revision Date 24-Dec-2024 Revision Number 4 1. Identification Product Name Thiocyanate Standard Solution, 0.1 N (Certified) Cat No. : ST18-1 Synonyms None Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use. Details of the supplier of the safety … rickmansworth underground stationWebA 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 … red sony laptopWebApr 5, 2024 · Using the in-situ generated thianthrene radical cation as the transient SET mediator, the thiocyanation and selenocyanation of aryl thianthrenium salts were achieved under the mild conditions without the need for photocatalyst or single electron donor. In comparison with the photocatalyst enabled process, the protocol features mild conditions ... rickmansworth wairose opening timesWebMay 23, 2024 · Efficient and H 2 O-controlled selective thiocyanation and alkenylation of internal olefins, to afford tetrasubstituted olefins under electrochemical oxidation, has been successfully developed. This … reds opening day 2021 ticketsWebThiocyanation can introduce SCN groups into parent molecules for constructing SCN-containing small organic molecules. Among them, the direct introduction method mainly … reds on wptw radioWebThiocyanatoiron CFeNS- CID 14205875 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ... red sony studio headphonesWebOct 20, 2015 · Highly efficient thiocyanation of aromatic and heteroaromatic compounds has been accomplished by using cyanuric chloride (NCCl)3/NH4SCN in dichloromethane under conventional and... rickmansworth u3a