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CAS 1191-99-7
2,3-dihydrofuran
登记编号：DARU-001、CEBR-008
应用背景（按来源药适应症）
HIV感染乙醇达芦那韦/利托那韦HIV感染乙醇达芦那韦/考比司他HIV感染乙醇达芦那韦疼痛Cebranopadol hemicitrate急性疼痛Cebranopadol hemicitrate神经痛Cebranopadol hemicitrate腰痛Cebranopadol hemicitrate物质相关性障碍Cebranopadol hemicitrate慢性疼痛Cebranopadol hemicitrate
来源药（使用该中间体的合成路线）
| 品种 | 梯队 | 到期年 |
|---|---|---|
| 乙醇达芦那韦/利托那韦Darunavir Ethanolate/Ritonavir | Tier C · 观察 / 贸易 | - |
| 乙醇达芦那韦/考比司他Darunavir Ethanolate/Cobicistat | Tier C · 观察 / 贸易 | - |
| 乙醇达芦那韦Darunavir Ethanolate | Tier B · 提前布局 | - |
| Cebranopadol hemicitrate | 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。
2,3-dihydrofuran→prop-2-yn-1-ol→(2R,3S)-3-iodo-2-(prop-2-yn-1-yloxy)tetrahydrofuran→(3aS,6aR)-3-methylenehexahydrofuro[2,3-b]furan→(3aR,6aR)-tetrahydrofuro[2,3-b]furan-3(2H)-one→(3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→(3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→bis(2,5-dioxopyrrolidin-1-yl) carbonate→2,5-dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate→4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide→2-vinyloxirane→(E)-4-phenylbut-2-en-1-ol→((2R,3R)-3-benzyloxiran-2-yl)methanol→(2S,3S)-3-azido-4-phenylbutane-1,2-diol→(S)-2-((S)-1-azido-2-phenylethyl)oxirane→2-methylpropan-1-amine→(2R,3S)-3-azido-1-(isobutylamino)-4-phenylbutan-2-ol→4-nitrobenzenesulfonyl chloride
2,3-dihydrofuran→prop-2-yn-1-ol→(2R,3S)-3-iodo-2-(prop-2-yn-1-yloxy)tetrahydrofuran→(3aS,6aR)-3-methylenehexahydrofuro[2,3-b]furan→(3aR,6aR)-tetrahydrofuro[2,3-b]furan-3(2H)-one→(3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→(3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→bis(2,5-dioxopyrrolidin-1-yl) carbonate→2,5-dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate→4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide→2-vinyloxirane→(E)-4-phenylbut-2-en-1-ol→((2R,3R)-3-benzyloxiran-2-yl)methanol→(2S,3S)-3-azido-4-phenylbutane-1,2-diol→(S)-2-((S)-1-azido-2-phenylethyl)oxirane→2-methylpropan-1-amine→(2R,3S)-3-azido-1-(isobutylamino)-4-phenylbutan-2-ol→4-nitrobenzenesulfonyl chloride
2,3-dihydrofuran→prop-2-yn-1-ol→(2R,3S)-3-iodo-2-(prop-2-yn-1-yloxy)tetrahydrofuran→(3aS,6aR)-3-methylenehexahydrofuro[2,3-b]furan→(3aR,6aR)-tetrahydrofuro[2,3-b]furan-3(2H)-one→(3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→(3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-ol→bis(2,5-dioxopyrrolidin-1-yl) carbonate→2,5-dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate→4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide→2-vinyloxirane→(E)-4-phenylbut-2-en-1-ol→((2R,3R)-3-benzyloxiran-2-yl)methanol→(2S,3S)-3-azido-4-phenylbutane-1,2-diol→(S)-2-((S)-1-azido-2-phenylethyl)oxirane→2-methylpropan-1-amine→(2R,3S)-3-azido-1-(isobutylamino)-4-phenylbutan-2-ol→4-nitrobenzenesulfonyl chloride
1,4-dioxaspiro[4.5]decan-8-one→N-methyl-1,4-dioxaspiro[4.5]decan-8-imine→4-(methylamino)-4-phenylcyclohexan-1-one→4-(dimethylamino)-4-phenylcyclohexan-1-one→2-(5-fluoro-1H-indol-3-yl)ethan-1-ol→(1r,4r)-6'-fluoro-N,N-dimethyl-4-phenyl-4',9'-dihydro-3'H-spiro[cyclohexane-1,1'-pyrano[3,4-b]indol]-4-amine→(4-fluorophenyl)hydrazine hydrochloride→2,3-dihydrofuran
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