New discoveries in chemical research and development in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 288-36-8, name is 1H-1,2,3-Triazole belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. category: Triazoles
To a mixture of the product from step 2 (7.9 g, 38 mmol), Cs2CO3 (24.8 g,76 mmoi) and Ciii (2.88 g, 7.6 mmoi) in DMF (200 mL) were added 2H-[i,2,3]triazoie (5.24 g,76 mmoi) andN,N-.dimethyi-cyciohexanei,2diamine (0.9 g, 6.5 mmol) and the mixture was slirred at 110C overnight. The cooling mixture was adjusted to pi-ii2 with IM sodium hydroxide and extracted with EtOAc (50 rnL x 3). The aqueous layer was adjusted to pH 4 with 1M HC1 and extracted with EtOAc (50 mLx4). The extracts was dried over NaSO4, filtered, the filtrate concentrated in vacuo and the residue purified by chromatography on silica (Petroleum ether : EtOAc =10:1) toprovide the title compound (4.1 g). LRMS rnlz (M+H) 196,0 found, 196,0 required.
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Reference:
Patent; MERCK SHARP & DOHME CORP.; LIVERTON, Nigel; KUDUK, Scott D.; BESHORE, Doug C.; MENG, Na; LUO, Yunfu; (127 pag.)WO2016/101119; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics