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公开(公告)号:US4311646A
公开(公告)日:1982-01-19
申请号:US190223
申请日:1980-09-24
申请人: Issei Nitta , Toshio Haruyama , Shinya Inoue
发明人: Issei Nitta , Toshio Haruyama , Shinya Inoue
CPC分类号: C07J7/0045
摘要: A 4,6-dien-3-one steroid is produced by brominating an enolic ether of a 4-en-3-one steroid in a water-containing organic solvent which is substantially free from acetic acid and sodium acetate to give a 6-bromosteroid and then dehydrobrominating the 6-bromosteroid in a medium which contains dimethylformamide or N-methylpyrrolidone and 1 to 9% by volume of water.
摘要翻译: 通过在基本上不含乙酸和乙酸钠的含水有机溶剂中溴化4-烯-3-酮类固醇的烯醇醚,得到6-二烯-3-酮类固醇,得到6- 然后在含有二甲基甲酰胺或N-甲基吡咯烷酮和1至9%(体积)水的培养基中将6-溴甾类化合物脱溴。
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公开(公告)号:US4585591A
公开(公告)日:1986-04-29
申请号:US325026
申请日:1981-11-25
CPC分类号: C07J41/0038 , C07J13/005 , C07J31/006 , C07J7/0005 , C07J7/0045
摘要: This is disclosed novel intermediates, i.e. 17.beta.-ethynylsteroids, which are useful for the preparation of corticoids such as hydrocortisone and prednisolone, and a process for preparing the same.
摘要翻译: 公开了可用于制备皮质激素例如氢化可的松和泼尼松龙的新型中间体,即17β-乙炔基甾类化合物及其制备方法。
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公开(公告)号:US4440689A
公开(公告)日:1984-04-03
申请号:US396447
申请日:1982-07-08
CPC分类号: C07J7/0085 , C07J41/0033 , C07J41/0038 , C07J5/0053 , C07J7/0005 , C07J7/0045
摘要: There is disclosed novel intermediates, i.e. acyloxysteroids, which are useful for the preparation of corticoids such as hydrocortisone and prednisolone, and a process for producing the same.
摘要翻译: 公开了可用于制备皮质激素例如氢化可的松和泼尼松龙的新颖中间体即辅助固醇类及其制备方法。
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