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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1579087Generated: November 4, 2026

2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester → HCID 21433878, compound

https://huagongshe.com/reaction/1579087

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl esterHCID 102870—
ReactantHCID 21435454HCID 21435454—
ProductHCID 21433878HCID 21433878—

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-heptyl)resorcinol to give 1,2-dihydro-7-(2-heptyl)-9-hydroxy-4-oxo-4H-thieno[2,3-c][1]benzopyran.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03940421
Source datasetuspto-grants-1976_02
ORD IDord-8d03b0bba7fa4c94a793a41fa0c9f9bb
Source noteuspto-grants-1976_02