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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2274846Generated: October 25, 2026

Thionyl Chloride → 2-Chloropteridine

https://huagongshe.com/reaction/2274846

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantPteridin-4-olHCID 135460266—
Product2-ChloropteridineHCID 640537—

Reaction Steps

Reaction of pteridin-4(3H)-one IV′ with chlorinating agents such as phosphorous oxychloride or thionyl chloride affords chloro-pteridine V′. Suitable solvent for this reaction includes methylene chloride chloroform or toluene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09126996B2
Source datasetuspto-grants-2015_09
ORD IDord-97c585d19b334e11948dcf8581fcec9c
Source noteuspto-grants-2015_09