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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1155511Generated: October 26, 2026

2,4-Dinitrobenzenesulfenyl chloride → HCID 20561020, compound

https://huagongshe.com/reaction/1155511

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Dinitrobenzenesulfenyl chlorideHCID 68251—
Reactant2,3-Bis(4-methoxyphenyl)thiopheneHCID 11403717—
SolventTrifluoroacetic acidHCID 6422—
ProductHCID 20561020HCID 2056102085.2%

Reaction Steps

A suspension of 2,3-bis(4-methoxyphenyl)thiophene (6.6 g, 22.3 mmoles) and 2,4-dinitrobenzenesulfenyl chloride (5.5 g, 22.3 mmoles) in 55 ml of trifluoroacetic acid was heated at reflux for 15 minutes. The reaction mixture was cooled in ice; the lustrous crystals were collected and washed with cold ether to give the title compound (9.4 g), m.p. 143°-145°

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04302461
Source datasetuspto-grants-1981_11
ORD IDord-e47269fde309406fb54ae29774fdf931
Source noteuspto-grants-1981_11