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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2082841Generated: October 30, 2026

Hydrazine hydrate (1:1) → HCID 20360742, compound

https://huagongshe.com/reaction/2082841

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 20360729HCID 20360729—
ProductHCID 20360742HCID 20360742—

Reaction Steps

3-(2-chloro-3-hydroxybenzoyl)propionic acid was cyclised with hydrazine hydrate in a similar manner to that described in Example 3(i) to give 6-(2-chloro-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-662cebff92b74e4d80639e7e54586a2c
Source noteuspto-grants-1978_04