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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2082839Generated: October 29, 2026

Hydrazine hydrate (1:1) → HCID 19884615, compound

https://huagongshe.com/reaction/2082839

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 20360789HCID 20360789—
ProductHCID 19884615HCID 19884615—

Reaction Steps

3-(3-hydroxy-2-methylbenzoyl)propionic acid was cydised with hydrazine hydrate in a similar manner to that described in Example 3 (i) to give 6-(3-hydroxy-2-methylphenyl)-4,5-dihydro-3(2H)-pyridazinone.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04082843
Source datasetuspto-grants-1978_04
ORD IDord-009abdfe1b914e82a1c723f0ccbf644a
Source noteuspto-grants-1978_04