HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1512745Generated: November 4, 2026
Hydroxyamine hydrochloride → HCID 178470832, compound
https://huagongshe.com/reaction/1512745
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | Sodium Bicarbonate | HCID 516892 | — |
| Reactant | ethyl 3-(5-cyano-1H-indol-2-yl)propanoate | HCID 67025284 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178470832 | HCID 178470832 | 96.8% |
Reaction Steps
Hydroxylamine hydrochloride (121 mg) and sodium bicarbonate (293 mg) was added to a solution of ethyl 3-(5-cyano-1H-indol-2-yl)propanoate (D30) (200 mg) in EtOH (15 mL), in that sequence. The reaction mixture was heated to 50° C. and stirred for 72 hours at that temperature. Another portion of hydroxylamine hydrochloride (60 mg) was added, followed by addition of sodium bicarbonate (150 mg). The resulting suspension was stirred at 50° C. for 24 hours. The inorganics was filtered off. The solid was washed with dichloromethane. The filtrate was concentrated to afford a pale yellow oil. Trituration of the residue provided ethyl 3-{5-[(hydroxyamino)(imino)methyl]-1H-indol-2-yl}propanoate (D31) (220 mg) as a pale yellow solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08217028B2 |
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| Source dataset | uspto-grants-2012_07 |
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| ORD ID | ord-eada1423e27a4f69bc4f3118cce4385f |
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| Source note | uspto-grants-2012_07 |
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