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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1633075Generated: November 2, 2026

Pyrido(4,3-c)pyridazine-6(5H)-carboxylic acid, 7,8-dihydro-3-hydrazino-, ethyl ester → HCID 70510307, compound

https://huagongshe.com/reaction/1633075

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrido(4,3-c)pyridazine-6(5H)-carboxylic acid, 7,8-dihydro-3-hydrazino-, ethyl esterHCID 217824—
SolventMethyl Ethyl KetoneHCID 6569—
ProductHCID 70510307HCID 70510307—

Reaction Steps

A suspension of 23.7 g of 3-hydrazino-5,6,7,8-tetrahydro-6-pyrido[4,3-c]pyridazinecarboxylic acid ethyl ester in 100 cc of methylethyl ketone is heated at reflux for 4 hours while stirring. The title compound has a M.P. of 142°-146° (decomp., from methanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04478837
Source datasetuspto-grants-1984_10
ORD IDord-d9e346cc0e0046d296df8f320115af98
Source noteuspto-grants-1984_10