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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 238405Generated: October 25, 2026

Benzenamine, 4-chloro-2-methoxy- → HCID 67176185, compound

https://huagongshe.com/reaction/238405

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 4-chloro-2-methoxy-HCID 7143—
ReactantBenzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 466102—
ReactantHCID 86654216HCID 86654216—
SolventEthanolHCID 702—
ProductHCID 67176185HCID 67176185—

Reaction Conditions

Temperature50 °C

Reaction Steps

To a solution of Intermediate C (2.5 g, 9.2 mmol) and 4-chloro-2-methoxyaniline (1.8 g, 9.2 mmol) in anhydrous EtOH (20 mL) was added PPTS (0.46 g, 0.18 mmol), and the reaction mixture was heated at 50° C. for six hours. Followed work-up procedure described in Step 1, Scheme 1 to give the desired compound, which was used in the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642628B2
Source datasetuspto-grants-2014_02
ORD IDord-efb053469d454ce3aab434cc09700451
Source noteuspto-grants-2014_02