HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 24474Generated: October 25, 2026
Water → 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid
https://huagongshe.com/reaction/24474
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester | HCID 54239910 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid | HCID 22571074 | 94% |
Reaction Steps
A mixture of 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester (300 mg, 1.13 mmol) and sodium hydroxide in MeOH (4 mL)/water (2 mL) was stirred at 80° C. for 19 hr. The reaction was then diluted with EtOAc. The aqueous layer was separated, neutralized and concentrated. The residue was dissolved in MeOH, filtered and the filtrate was concentrated to give 251 mg (94%) of 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06855730B2 |
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| Source dataset | uspto-grants-2005_02 |
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| ORD ID | ord-09f8ae93ec8949f8bb20561776aa5c9c |
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| Source note | uspto-grants-2005_02 |
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