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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 550633Generated: October 30, 2026

Phosphorus oxide (P4O10) → 2,3,4-Trimethyl-6,7-dihydrothieno[3,2-c]pyridine

https://huagongshe.com/reaction/550633

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxide (P4O10)HCID 14812—
ReactantN-[2-(4,5-Dimethyl-thiophen-2-yl)-ethyl]-acetamideHCID 59663060—
Product2,3,4-Trimethyl-6,7-dihydrothieno[3,2-c]pyridineHCID 59663091—

Reaction Steps

In close analogy to the procedure described above, N-[2-(4,5-Dimethyl-thiophen-2-yl)-ethyl]-acetamide is reacted with phosphorus pentoxide to provide the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07947689B2
Source datasetuspto-grants-2011_05
ORD IDord-ce1fbe30385a419e90d91c25811c26b7
Source noteuspto-grants-2011_05