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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 413921Generated: October 28, 2026

Ethyl Acetate → ethyl 1-(4-aminophenyl)-2-methyl-5-phenylpyrrole-3-carboxylate

https://huagongshe.com/reaction/413921

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantHCID 2742307HCID 2742307—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Productethyl 1-(4-aminophenyl)-2-methyl-5-phenylpyrrole-3-carboxylateHCID 2736363—

Reaction Steps

2-Methyl-1-(4-nitro-phenyl)-5-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester of Example 33 (2 mmol, 0.8 g) was dissolved 50% solution of ethyl acetate in ethanol, and treated with Pd/C (0.088 g). The mixture was hydrogenated with H2 (g) at 45 psi. Upon completion of the reaction, the mixture was filtered through Celite and the solvents removed under vacuum. This material was purified over silica gel to yield the named product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06569890B2
Source datasetuspto-grants-2003_05
ORD IDord-6af8119e2a9e488280ef7b1b6af439df
Source noteuspto-grants-2003_05