HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 602758Generated: November 2, 2026
Sodium Bicarbonate → (RS,SR)-2-(1-benzenesulfonyl-2-methoxy-1-methyl-ethyl)-6-chloro-2,3,4,9-tetrahydro-1H-carbazole
https://huagongshe.com/reaction/602758
Participants
| Role | Name | HCID | Charge |
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| Reactant | Sodium Bicarbonate | HCID 516892 | — |
| Reactant | (RS,SR)-2-(1-benzenesulfonyl-2-methoxy-1-methyl-ethyl)-6-chloro-9-methoxymethyl-2,3,4,9-tetrahydro-1H-carbazole | HCID 67266821 | — |
| Catalyst | Hydrochloric Acid | HCID 313 | — |
| Solvent | MeOH tetrahydrofuran | HCID 21899815 | — |
| Product | (RS,SR)-2-(1-benzenesulfonyl-2-methoxy-1-methyl-ethyl)-6-chloro-2,3,4,9-tetrahydro-1H-carbazole | HCID 11384542 | 13.2% |
Reaction Steps
95 mg (0.20 mmol) of (RS,SR)-2-(1-benzenesulfonyl-2-methoxy-1-methyl-ethyl)-6-chloro-9-methoxymethyl-2,3,4,9-tetrahydro-1H-carbazole were dissolved in 8 mL of MeOH/THF 1:1, and 5 drops of HCl 12M were added. The temperature was raised to 55° C. and the solution was stirred for 6 hours. By adding 2M NaHCO3 the solution was neutralized to pH=7, and the mixture was extracted with EtOAc. Column chromatography on silica gel with heptane/EtOAc 2:1 yielded 11 mg (13%) of (RS,SR)-2-(1-benzenesulfonyl-2-methoxy-1-methyl-ethyl)-6-chloro-2,3,4,9-tetrahydro-1H-carbazole as a white solid, MS: 418 (MH+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07906546B2 |
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| Source dataset | uspto-grants-2011_03 |
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| ORD ID | ord-d9496b8e41384f9c84aace63d49efad0 |
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| Source note | uspto-grants-2011_03 |
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