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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1985604Generated: October 28, 2026

Hydrazine hydrate (1:1) → 3-(2,2-Dimethyl-propyl)-6,6-dimethyl-6,7-dihydro-5H-cyclopenta[c]pyridazine

https://huagongshe.com/reaction/1985604

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant4,4-Dimethylcyclopentane-1,2-dioneHCID 14289654—
Reactant(4,4-Dimethyl-2-oxo-pentyl)-phosphonic acid dimethyl esterHCID 25112585—
Product3-(2,2-Dimethyl-propyl)-6,6-dimethyl-6,7-dihydro-5H-cyclopenta[c]pyridazineHCID 24772661—

Reaction Steps

off-white solid. MS (ESI): 219.3 (MH+). Prepared from 4,4-dimethyl-cyclopentane-1,2-dione, (4,4-dimethyl-2-oxo-pentyl)-phosphonic acid dimethyl ester, hydrazine monohydrate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07547697B2
Source datasetuspto-grants-2009_06
ORD IDord-0a1e6f9ea28c4b35822c6ae014d9d0f3
Source noteuspto-grants-2009_06