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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2082827Generated: October 31, 2026

Hydrazine hydrate (1:1) → HCID 20360770, compound

https://huagongshe.com/reaction/2082827

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 20360782HCID 20360782—
ProductHCID 20360770HCID 20360770—

Reaction Steps

3-(4-Cyano-3-hydroxybenzoyl)propionic acid was cyclised with hydrazine hydrate in a similar manner to that described in Example 3 (i) to give 6-(4-cyano-3-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04082843
Source datasetuspto-grants-1978_04
ORD IDord-d67243763cf1438bac7f8343f7ad6976
Source noteuspto-grants-1978_04