Reference of 627-30-5 ,Some common heterocyclic compound, 627-30-5, molecular formula is C3H7ClO, 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.
A 500 mL three-necked flask was charged with a magnetic stirrer and a thermometer, and 5.2 g of p-toluenesulfonic acid (0.03 mol) was added thereto.94.5 g of 3-chloropropanol (1.0 mol), 200 mL of dichloromethane, and 16.2 g of 3,4-dihydropyran (1.5 mol) were stirred at room temperature 20-25 C for 1 h.After the reaction liquid was subjected to gas chromatography to detect 3-chloropropanol, 100 mL of water was added to the system.After stirring for 5 min, the phases were separated, and the organic phase was washed with 100 mL of brine, dried over anhydrousDistillation under reduced pressure, collecting 110-115 C fraction (vacuum degree 30 mbar),A colorless transparent liquid of 164.6 g, which is 2-(3-chloropropoxy)tetrahydro-2H-pyran, has a GC content of 98.2% and a yield of 91.13%.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,627-30-5, its application will become more common.
Reference:
Patent; Hunan Youse Chenzhoufu Chemical Co., Ltd.; Wang Gang; Peng Zhimin; Liu Bin; Li Jun; Li Zhipeng; Su Wanli; Zhang Zhenhua; (11 pag.)CN109336740; (2019); A;,
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