Application of 4728-12-5, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 4728-12-5 as follows.
j0363] 2,2-Dimethyl-5-(hydroxymethyl)-1 ,3-dioxane (3a) (1.00 g) was dissolved in 22.8 mE of dichloromethane (MDC), and 700.0 mg of imidazole and 2.72 g of carbon tetrabromide were added thereto. After ice-cooling, 2.15 g of triphenylphosphine was thrther added, and the mixture was stirred at room temperature for 4 hours. Dichloromethane was distilled off under reduced pressure, and the resulting product was purified with silica gel chromatography (n-hexane:ethyl acetate=5: 1) to quantitatively obtain 1.60 g of 2,2-dimethyl-5-bromomethyl- 1 ,3-dioxane (Sb).
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,4728-12-5, its application will become more common.
Reference:
Patent; OTSUKA CHEMICAL CO., LTD.; YUASA, Hiroaki; OKAZAKI, Hiroki; (62 pag.)US2017/233421; (2017); A1;,
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