HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 15148Generated: October 30, 2026
Hydrochloric Acid → HCID 67527302, compound
https://huagongshe.com/reaction/15148
Participants
| Role | Name | HCID | Charge |
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| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Aluminium lithium hydride | HCID 21226445 | — |
| Reactant | Butyl 3-(1-{[4-(methyloxy)phenyl]methyl}-3,6-dioxo-1,2,3,6-tetrahydro-4-pyridazinyl)propanoate | HCID 67527270 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 67527302 | HCID 67527302 | 70% |
Reaction Steps
Butyl 3-(1-{[4-(methyloxy)phenyl]methyl}-3,6-dioxo-1,2,3,6-tetrahydro-4-pyridazinyl)propanoate (0.43 g, 1.19 mmol) was dissolved in dry THF (20 ml). The solution under argon was cooled to −30° C., treated dropwise with a 1M solution of lithium aluminium hydride in THF (1.4 ml, 1.4 mmol), allowed to warm gradually to 0° C. and stirred in an ice bath for 30 minutes. 2M Hydrochloric acid was added until the pH was 3 and the mixture was partitioned between water and ethyl acetate. The aqueous was re-extracted with ethyl acetate and the combined organic solution dried and evaporated. The resulting solid was triturated under ethyl acetate, filtered off, washed with ethyl acetate and dried under vacuum to give the product (241 mg, 70%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07732460B2 |
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| Source dataset | uspto-grants-2010_06 |
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| ORD ID | ord-140ce4af943b4dffa056aaa3bc75cc28 |
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| Source note | uspto-grants-2010_06 |
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