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【结 构 式】 
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【分子编号】22988 【品名】7-Alpha-(acetylsulfanyl)-3-oxopregna-4,15-diene-21,17-carbolactone 【CA登记号】 |
【 分 子 式 】C24H30O4S 【 分 子 量 】414.5658 【元素组成】C 69.53% H 7.29% O 15.44% S 7.73% |
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：(II)The acylation of spiro[pregnane-17,2'-tetrahydrofuran]-4,6,15-triene-3,5'-dione (I) with thioacetic acid in refluxing methanol gives the 7-acetylthio derivative (II), which is methylenated with trimethylsulfoxonium iodide and NaH in refluxing DMSO, yielding the 15beta,16beta-methylene derivative (III). Finally, this compound is dehydrogenated with 2,3-dichloro-5,6-dicyanobenzoquinone (IV) in refluxing benzene.
| 【1】 Bittler, D.; Laurent, H.; Losert, W.; Nickisch, K.; Wiechert, R. (Schering AG); 7alpha-Acylthio-15,16-methylene-3-oxo-17alpha-pregna-1,4-diene-21,17-carbonolactones, their preparation and use as medicinal agents. DE 3227598; US 4500522 . |
| 【2】 Losert, W.; Bittler, D.; Vasals-Stenzel, J.; Wiechert, R.; Kerb, U. (Schering AG); Novel spironolactones and process for their preparation. DE 2652761; US 4129564 . |
| 【3】 Prous, J.; Castaner, J.; Mespirenone. Drugs Fut 1987, 12, 1, 27. |
| 中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
|---|---|---|---|---|---|---|
| (I) | 22987 | 3-Oxopregn-4,6,15-triene-21,17-carbolactone | C22H26O3 | 详情 | 详情 | |
| (II) | 22988 | 7-Alpha-(acetylsulfanyl)-3-oxopregna-4,15-diene-21,17-carbolactone | C24H30O4S | 详情 | 详情 | |
| (III) | 22989 | 7-Alpha-(Acetylsulfanyl)-3-oxo-cyclopropa[1',2':15-beta,16-beta]pregn-4-ene-21,17-carbolactone | C25H32O4S | 详情 | 详情 | |
| (IV) | 21890 | 2,3-dichloro-5,6-dicyano-1,4-benzoquinone; 4,5-dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile | 84-58-2 | C8Cl2N2O2 | 详情 | 详情 |
Extended Information