【结 构 式】 |
【分子编号】57435 【品名】(3,4-dimethoxyphenyl)[6-(1,3-dioxolan-2-yl)-2,3,4-trimethoxyphenyl]methanol 【CA登记号】 |
【 分 子 式 】C21H26O8 【 分 子 量 】406.43264 【元素组成】C 62.06% H 6.45% O 31.49% |
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:(XIII)Protection of 3,4,5-trimethoxybenzaldehyde (IX) with ethylene glycol (X) affords acetal (XI). After lithiation of (XI) by means of butyllithium, addition to veratraldehyde (XII) furnishes carbinol (XIII). Finally, cyclization of hydroxy acetal (XIII) with alkyne (VIII) under acidic conditions provides the title naphthol derivative.
【1】 Mori, S.; Takechi, S.; Kida, S.; Mizui, T.; Ichihashi, T. (Shionogi & Co. Ltd.); Lignan analog, production thereof, and hypolipidemic drug. EP 0597107; EP 0701991; JP 1993310634; US 5731455; WO 9308155 . |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(VIII) | 57432 | methyl 6-ethyl-4-oxo-2-octynoate | C11H16O3 | 详情 | 详情 | |
(IX) | 11136 | 3,4,5-Trimethoxybenzaldehyde | 86-81-7 | C10H12O4 | 详情 | 详情 |
(X) | 11295 | Polyethylene glycol;1,2-Ethanediol;Monoethylene glycol; Ethylene glycol | 107-21-1 | C2H6O2 | 详情 | 详情 |
(XI) | 57434 | 2-(3,4,5-trimethoxyphenyl)-1,3-dioxolane; 4-(1,3-dioxolan-2-yl)-2,6-dimethoxyphenyl methyl ether | C12H16O5 | 详情 | 详情 | |
(XII) | 18304 | 3,4-Dimethoxybenzaldehyde; Veratraldehyde | 120-14-9 | C9H10O3 | 详情 | 详情 |
(XIII) | 57435 | (3,4-dimethoxyphenyl)[6-(1,3-dioxolan-2-yl)-2,3,4-trimethoxyphenyl]methanol | C21H26O8 | 详情 | 详情 |
Extended Information