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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 485455Generated: October 27, 2026

Thionyl Chloride → 3-Chlorocarbonyl-10,11-dihydro-11-oxodibenzo[b,f]thiepin

https://huagongshe.com/reaction/485455

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant5-oxo-6H-benzo[b][1]benzothiepine-2-carboxylic acidHCID 827051—
Product3-Chlorocarbonyl-10,11-dihydro-11-oxodibenzo[b,f]thiepinHCID 20270211—

Reaction Steps

Heat a solution of 5 g. of 10,11-dihydro-11-oxodibenzo[b,f]thiepin-3-carboxylic acid and 40 ml. of thionyl chloride under reflux for 20 minutes. Evaporate the reaction mixture under vacuum to dryness. Repeat the evaporation with two 30 ml. portions of carbon tetrachloride. Crystallize the residue from diisopropyl ether to obtain the title product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04536507
Source datasetuspto-grants-1985_08
ORD IDord-637704ddc69f4fdd90fe66eab68e6054
Source noteuspto-grants-1985_08