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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1282844Generated: October 30, 2026

2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester → HCID 21433899, compound

https://huagongshe.com/reaction/1282844

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl esterHCID 102870—
ReactantHCID 21532614HCID 21532614—
ProductHCID 21433899HCID 21433899—

Reaction Steps

Following a procedure similar to that described in Example 1B hereinabove, methyl 3-oxo-2,3,4,5-tetrahydrothiophene-2-carboxylate is reacted with 5-(1-cyclohexylethyl) resorcinol to give 7-(1-cyclohexylethyl)-1,2-dihydro-9-hydroxy-4-oxo-4H-thieno[2,3-c] [1]benzopyran.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03972880
Source datasetuspto-grants-1976_08
ORD IDord-50d01f42d31b46da8f65e84e1fd2ca42
Source noteuspto-grants-1976_08