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CAS 171596-43-3
methyl (1S,3S)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
Codes：TADA-012
Application context (from source-drug indications)
勃起功能障碍他达拉非/坦洛新前列腺增生他达拉非/坦洛新勃起功能障碍苯磺酸氨氯地平/他达拉非高血压苯磺酸氨氯地平/他达拉非
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 他达拉非/坦洛新Tadalafil/Tamsulosin | Tier C — Watch / trade | - |
| 苯磺酸氨氯地平/他达拉非Amlodipine Besylate/Tadalafil | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
methyl (1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl L-tryptophanate hydrochloride→methyl (1S,3S)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrobenzyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride
methyl (1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl L-tryptophanate hydrochloride→methyl (1S,3S)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrobenzyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate→methyl (1S,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride
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