【结 构 式】 |
【分子编号】52192 【品名】 【CA登记号】 |
【 分 子 式 】C12H15NaO6S 【 分 子 量 】310.303268 【元素组成】C 46.45% H 4.87% Na 7.41% O 30.94% S 10.33% |
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)The Heck coupling of 4-bromobenzoic acid methyl ester (I) with 3-buten-1-ol (II) by means of Pd(OAc)2, LiOAc, LiCl and Bu4NBr in hot DMF, followed by reaction with NaHSO3 in ethanol/water/ethyl acetate, gives the bisulfite adduct (III), which is treated with Tms-Cl in acetonitrile and brominated with Br2 to yield the desired intermediate, the 2-bromo-4-[4-methoxycarbonyl)phenyl]butyraldehyde (IV).
【1】 Kjell, D.P.; Slattery, B.J.; Improved route to multitargeted antifolate LY231514. 218th ACS Natl Meet (Aug 22 1999, New Orleans) 1999, Abst ORG 130. |
Extended Information