【结 构 式】 |
【分子编号】35003 【品名】ethyl (E)-3-(3,4,5-trimethoxyphenyl)-2-propenoate 【CA登记号】 |
【 分 子 式 】C14H18O5 【 分 子 量 】266.29392 【元素组成】C 63.15% H 6.81% O 30.04% |
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:(LI)The cyclization of 3,4,5-trimethoxycinnamic acid ethyl ester (LI) with malonic acid ethyl ester potassium salt (LII) by means of Mn(OAc)3 gives the tetrahydrofuranone (LIII), which is acylated with 1,3-benzodioxol-5-ylcarbonyl chloride (LIV) yielding the tetrahydrofuranone (LV). Finally, this compound is rearranged and decarboxylated with SnCl4 to the target intermediate (XI).
【1】 Ward, R.S.; Synthesis of podophyllotoxin and related compounds. Synthesis 1992, 719. |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(XI) | 34966 | ethyl (5R,6R)-8-oxo-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate | C23H24O8 | 详情 | 详情 | |
(LI) | 35003 | ethyl (E)-3-(3,4,5-trimethoxyphenyl)-2-propenoate | C14H18O5 | 详情 | 详情 | |
(LII) | 35004 | potassium 3-methoxy-3-oxopropanoate | 38330-80-2 | C4H5KO4 | 详情 | 详情 |
(LIII) | 35005 | 4-ethyl 3-methyl (3S,4R,5R)-2-oxo-5-(3,4,5-trimethoxyphenyl)tetrahydro-3,4-furandicarboxylate | C18H22O9 | 详情 | 详情 | |
(LIV) | 28821 | 1,3-benzodioxole-5-carbonyl chloride | 20850-43-5 | C8H5ClO3 | 详情 | 详情 |
(LV) | 35006 | 4-ethyl 3-methyl (3S,4R,5R)-3-(1,3-benzodioxol-5-ylcarbonyl)-2-oxo-5-(3,4,5-trimethoxyphenyl)tetrahydro-3,4-furandicarboxylate | C26H26O12 | 详情 | 详情 |
Extended Information