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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1282845Generated: October 30, 2026

2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester → HCID 21433869, compound

https://huagongshe.com/reaction/1282845

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl esterHCID 102870—
ReactantHCID 54091993HCID 54091993—
ProductHCID 21433869HCID 21433869—

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-(2-eicosyl)resorcinol to give 1,2-dihydro-7-(2-eicosyl)-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-6c4ccb0bd02446478bc6c2d7c4e5e362
Source noteuspto-grants-1976_08