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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1075006Generated: October 30, 2026

Acetic Acid → 8-Chlorodibenzo[b,f]thiepin-3-carboxylic acid

https://huagongshe.com/reaction/1075006

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantSulfuric AcidHCID 1118—
Reactant8-Chloro-3-cyanodibenzo[b,f]thiepinHCID 13151889—
Product8-Chlorodibenzo[b,f]thiepin-3-carboxylic acidHCID 13151891—

Reaction Steps

550 Mg. 8-chloro-3-cyanodibenzo[b,f]thiepin is refluxed for 16 hours in a mixture of 15 cc. acetic acid and 15 cc. 50% aqueous sulfuric acid. The reaction mixture is cooled down and the product filtered, washed with water, and dried to yield 485 mg. (82% of the pure acid, m.p. 302°-304° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04394515
Source datasetuspto-grants-1983_07
ORD IDord-db75df64a3bc4489a02a7e0567086716
Source noteuspto-grants-1983_07