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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 280230Generated: October 29, 2026

Thionyl Chloride → 5-(Chloromethyl)imidazo[1,5-a]pyridine

https://huagongshe.com/reaction/280230

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantSodium borohydrideHCID 4311764—
ReactantImidazo(1,5-a)pyridine-5-carbaldehydeHCID 13206163—
ReactantImidazo[1,5-a]pyridin-5-ylmethanolHCID 23321868—
Product5-(Chloromethyl)imidazo[1,5-a]pyridineHCID 23321855—

Reaction Steps

5-Chloromethylimidazo[1,5-a]pyridine is prepared from 5-formylimidazo-[1,5-a]pyridine by reduction with sodium borohydride to 5-hydroxymethylimidazo[1,5-a]pyridine and subsequent treatment with thionyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04588732
Source datasetuspto-grants-1986_05
ORD IDord-b350f305caaf474c99183e1491f8b558
Source noteuspto-grants-1986_05