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CAS 1099618-83-3
(S)-2-((tert-butyldiphenylsilyl)oxy)-2-cyclopropylacetaldehyde
登记编号：CALCIP-018
应用背景（按来源药适应症）
斑块银屑病倍他米松二丙酸酯/卡泊三醇银屑病倍他米松二丙酸酯/卡泊三醇光变态反应性皮炎倍他米松二丙酸酯/卡泊三醇光毒性皮炎倍他米松二丙酸酯/卡泊三醇银屑病卡泊三醇斑块银屑病卡泊三醇口腔白斑病卡泊三醇脱发卡泊三醇局部硬皮病卡泊三醇寻常痤疮卡泊三醇
来源药（使用该中间体的合成路线）
| 品种 | 梯队 | 到期年 |
|---|---|---|
| 倍他米松二丙酸酯/卡泊三醇Betamethasone Dipropionate/Calcipotriol | Tier C · 观察 / 贸易 | - |
| 卡泊三醇Calcipotriol | Tier C · 观察 / 贸易 | - |
合成路线中的位置（上下游链）
按路线登记顺序排列，左→右为合成方向；高亮为当前 CAS，其余可点击跳转对应档案。
(((1R,3S,Z)-5-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((S)-1-(phenylsulfonyl)propan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)→(S)-2-((tert-butyldiphenylsilyl)oxy)-2-cyclopropylacetaldehyde→(1S,4S)-4-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-1-((tert-butyldiphenylsilyl)oxy)-1-cyclopropyl-3-(phenylsulfonyl)pentan-2-ol→(((1R,3S,Z)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-5-((tert-butyldiphenylsilyl)oxy)-5-cyclopropylpent-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)
(((1R,3S,Z)-5-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((S)-1-(phenylsulfonyl)propan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)→(S)-2-((tert-butyldiphenylsilyl)oxy)-2-cyclopropylacetaldehyde→(1S,4S)-4-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-1-((tert-butyldiphenylsilyl)oxy)-1-cyclopropyl-3-(phenylsulfonyl)pentan-2-ol→(((1R,3S,Z)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-5-((tert-butyldiphenylsilyl)oxy)-5-cyclopropylpent-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)
本站可供应的对应中间体
同 CAS 多家在售供应横向对比；价格区间为供应方挂牌口径，实价以询价确认为准。
| 供应商 | 产品 | 价格区间 | 最小起订 | 货期 | 资质 |
|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | Bis-TBDMS-trans-calcipotriol Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | (5E)-Calcipotriene Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
本页为中间体 CAS 注册档案：同 CAS 的多条路线登记已合并；后续供应商报价与买方需求以该 CAS 为主键撮合。