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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1660131Generated: October 30, 2026

Hydrochloric Acid → HCID 13144515, compound

https://huagongshe.com/reaction/1660131

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantHCID 12316326HCID 12316326—
ProductHCID 13144515HCID 1314451574%

Reaction Steps

In a manner analogous to that described in the first paragraph of Example 17, from 2,3,5,8-tetrahydro-1,3-dioxo-1H-1,2,4-triazolo[1,2-a]pyridazine-5-carboxylic acid and methanolic hydrogen chloride there was obtained in 74% yield methyl 2,3,5,8-tetrahydro-1,3-dioxo-1H-1,2,4-triazolo-[1,2-a]pyridazine-5-carboxylate of melting point 210°-213° C. (from methanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04307094
Source datasetuspto-grants-1981_12
ORD IDord-766f932e6eb349b4afc267e55fb58834
Source noteuspto-grants-1981_12