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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1764566Generated: October 31, 2026

Acetic Acid → HCID 20285748, compound

https://huagongshe.com/reaction/1764566

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantHydrochloric AcidHCID 313—
ReactantFormaldehydeHCID 712—
ReactantHCID 12875260HCID 12875260—
ProductHCID 20285748HCID 20285748—

Reaction Steps

3.04 G. of 2,4-dimethyl-5-chloro-thiophene are dissolved in 60 ml. of acetic acid and 2.1 g. of formalin and 32 ml. of concentrated hydrochloric acid are added. The mixture is stirred at room temperature for 2 hours, then poured into ice water and extracted with hexane. The organic solution is washed with 5% sodium bicarbonate solution, dried, filtered and evaporated to yield 2,4-dimethyl-3-chloromethyl-5-chloro-thiophene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04116975
Source datasetuspto-grants-1978_09
ORD IDord-93b8a083c73e4089aa97817ec695d974
Source noteuspto-grants-1978_09