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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 256468Generated: October 27, 2026

Ammonia → HCID 178509021, compound

https://huagongshe.com/reaction/256468

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantHCID 178517766HCID 178517766—
ProductHCID 178509021HCID 178509021—

Reaction Steps

5-fluorocytosine is prepared by reacting 2,5-difluoro-4-chloro-pyrimidine with a proton acid in the presence of water to yield 2-hydroxy-4-chloro-5-fluoropyrimidine and reacting the 2-hydroxy-4-chloro-5-fluoropyrimidine with ammonia to yield 5-fluoro-cytosine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04703121
Source datasetuspto-grants-1987_10
ORD IDord-31baa4498483481db5356ddb71fc180b
Source noteuspto-grants-1987_10