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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2120132Generated: October 31, 2026

5-Methyl-2-thiophenecarboxaldehyde → HCID 69927084, compound

https://huagongshe.com/reaction/2120132

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methyl-2-thiophenecarboxaldehydeHCID 61663—
ReactantMethyl 5,6-diaminopyridine-3-carboxylateHCID 9920476—
ReactantO-(2,4,6-Trimethylbenzenesulfonyl)hydroxylamineHCID 11830845—
ProductHCID 69927084HCID 69927084—

Reaction Steps

The title compound, MS m/e (%): 289.2 (M+, 100), was prepared in accordance with the general method of example 1 from 5,6-diamino-nicotinic acid methyl ester, O-mesitylene-sulfonylhydroxylamine, and 5-methylthiophene-2-carboxaldehyde. The purification was performed by flash column chromatography on silica eluting with a mixture of ethyl acetate and n-hexane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06689790B2
Source datasetuspto-grants-2004_02
ORD IDord-17ee18579ccd4028b3b1247090d8f983
Source noteuspto-grants-2004_02