1462-37-9, These common heterocyclic compound, 1462-37-9, name is ((2-Bromoethoxy)methyl)benzene, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.
Step b: Ethyl 1 -(2-(benzyloxy)ethyl)-4-(terf-butyldimethylsilyloxy)cyclohexanecarboxylate; [00165] To a mixture of the compound of Step a (102 g, 0.357mol) in THF (800 mL) at -78 0C was added lithium bis(tritnethylsiyl)amide (438 mL) dropwise under nitrogen. The mixture was stirred for 30 min followed by the addition of benzyl 2-bromoethyl ether (109 mL, 0.375mol). After stirring the mixture for another 30min at -78 ¡ãC, the reaction mixture was allowed to warm up to room temperature and stirred for 1 h. The mixture was diluted with ethyl acetate (1,000 mL) and washed with brine (1,000 mL), dried over Na2SO4 and filtered. The filtrate was concentrated to give a crude product which was purified by flash chromatography (silica gel, EtOAc/Hexane: 0/1 to 1/1) to give the ester-benzylether as a colorless oil (1 15 g, 73percent).
Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1462-37-9.
Reference:
Patent; BIOGEN IDEC MA INC; WO2007/76086; (2007); A2;,
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