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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2243908Generated: October 25, 2026

Hydrazine hydrate (1:1) → 3-Cyclopropyl-5,6,7,8-tetrahydro-5,8-methanocinnoline

https://huagongshe.com/reaction/2243908

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantBicyclo(2.2.1)heptane-2,3-dioneHCID 138696—
ReactantDimethyl (2-cyclopropyl-2-oxoethyl)phosphonateHCID 57624838—
Product3-Cyclopropyl-5,6,7,8-tetrahydro-5,8-methanocinnolineHCID 16063623—

Reaction Steps

MS (EI): 186.2 (M+), off-white crystalline solid. Prepared from bicyclo[2.2.1]heptane-2,3-dione, (2-cyclopropyl-2-oxo-ethyl)-phosphonic acid dimethyl ester, hydrazine monohydrate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678795B2
Source datasetuspto-grants-2010_03
ORD IDord-e69ef630c79548aab720433760638882
Source noteuspto-grants-2010_03