用于医药相关反应(如有机合成中间体)
医药
合成路线 1(1. 合成:62921-76-0)
产率:99%
合成条件:With sodium hydroxide In tetrahydrofuran; water at 0℃; for 5 h;
实验步骤:例37; 1-氯-2,2,5,5-四甲基-3-(2,5,8,11-四氧杂十三烷-13-基)咪唑烷-4-酮(化合物39-12)HN NHNaH2,5,8, 11-四氧杂三嗪-13-基4-甲基苯磺酸酯-0- -O- -o ^向四乙二醇单甲酯(工业级,Aldrich,10g,48mmol)在27ml四氢呋喃中的溶液中加入溶液 氢氧化钠水溶液(5M,27ml,134mmol)。 将溶液冷却至0℃,并将甲苯磺酰氯(16.5g,86.4mmol)在27mL THF中的溶液滴加到冷搅拌溶液中。 将反应混合物在0℃下搅拌5小时,然后用50mL水稀释,用二氯甲烷萃取两次。 将有机部分用水洗涤两次并用盐水洗涤一次,然后经硫酸镁干燥并在减压下浓缩,得到澄清液体(17.1g,47.1mmol,99%),粗产物不经纯化直接使用。 LRMS(ESI / APCI)m / z 363 [M + H] +。
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