【结 构 式】 |
【分子编号】60925 【品名】6-chloro-2-(2-chloropropyl)-3-hydroxy-2,3-dihydro-4H-1,3-benzoxazin-4-one 【CA登记号】 |
【 分 子 式 】C11H11Cl2NO3 【 分 子 量 】276.11868 【元素组成】C 47.85% H 4.02% Cl 25.68% N 5.07% O 17.38% |
与该中间体有关的原料药合成路线共 1 条
合成路线1
该中间体在本合成路线中的序号:(III)By cyclization of 5-chlorosalicylhidroxamic acid (I) with 3-methylacrolein (II) by means of HCl in ethanol or acetic acid that gives 6-chloro-2-(2-chloropropyl)-2,3-dihydro-3-hydroxy-4H-1,3-benzoxazin-4-one (III), which is finally cyclized again with aqueous NaOH, or sodium methoxide in methanol
【1】 Castaner, J.; Arrigoni, Martelli, E.; Meseclazone. Drugs Fut 1977, 2, 6, 380. |
【2】 Reisner, D.B.; et al. (Carter-Wallace, Inc.); DE 2010418; US 3598814 . |
Extended Information