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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 24333Generated: October 26, 2026

Dimethylformamide → 4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester

https://huagongshe.com/reaction/24333

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 54559518HCID 54559518—
Product4-(3-dimethylaminopropyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid ethyl esterHCID 5423991096%

Reaction Steps

4-(3-Dimethylaminopropyl)-2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester (600 mg, 2.5 mmol) was formylated using POCl3 and DMF to give 645 mg (96%) of 4-(3-dimethylamino-propyl)-5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06855730B2
Source datasetuspto-grants-2005_02
ORD IDord-da097ef5a2bc4a56a8b1a1523f235358
Source noteuspto-grants-2005_02