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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 259340Generated: October 30, 2026

Ethanol hydrochloride → 4,5,6,7-Tetrahydro-7-oxobenzo[b]thiophen-4-amine hydrochloride

https://huagongshe.com/reaction/259340

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanol hydrochlorideHCID 21887872—
ReactantN-(7-Oxo-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)formamideHCID 23347790—
Product4,5,6,7-Tetrahydro-7-oxobenzo[b]thiophen-4-amine hydrochlorideHCID 23347795—

Reaction Steps

In the manner described in Example 36, N-formyl-4,5,6,7-tetrahydro-7-oxobenzo[b]thiophen-4-amine is hydrolyzed with 2N hydrochloric acid/ethanol to afford 4,5,6,7-tetrahydro-7-oxobenzo[b]thiophen-4-amine hydrochloride, melting point 230° C. to 232° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04036979
Source datasetuspto-grants-1977_07
ORD IDord-f3b71ccd774640f6a90e98c3f68fcd17
Source noteuspto-grants-1977_07