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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1506902Generated: October 30, 2026

Benzenesulfonyl chloride → Ethyl 2-benzenesulphonylamino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate

https://huagongshe.com/reaction/1506902

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenesulfonyl chlorideHCID 7369—
ReactantEthyl 2-(benzenesulfonamido)-4,5,6,7-tetrahydrobenzothiophene-3-carboxylateHCID 391240—
ReactantEthyl 2-amino-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylateHCID 10987982—
ProductEthyl 2-benzenesulphonylamino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylateHCID 68278645—

Reaction Steps

Prepared by proceeding in a similar manner to Intermediate 1, starting from ethyl 2-amino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate (Intermediate 7) and benzenesulphonyl chloride

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09221787B2
Source datasetuspto-grants-2015_12
ORD IDord-a4e9a6ba0b97463aacf02ed81898d702
Source noteuspto-grants-2015_12