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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2243924Generated: October 25, 2026

Hydrazine hydrate (1:1) → 3-(2-Methoxyphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline

https://huagongshe.com/reaction/2243924

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantBicyclo(2.2.1)heptane-2,3-dioneHCID 138696—
Reactant[2-(2-Methoxy-phenyl)-2-oxo-ethyl]-phosphonic acid dimethyl esterHCID 86252899—
Product3-(2-Methoxyphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnolineHCID 16063669—

Reaction Steps

light yellow gum. MS (ESI): 253.3 (MH+). Prepared from bicyclo[2.2.1]heptane-2,3-dione, [2-(2-Methoxy-phenyl)-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-28ba25ab1d5a432b9554a83f9d12589c
Source noteuspto-grants-2010_03