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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1888885Generated: November 4, 2026

Hydrazine hydrate (1:1) → 3-Tert-butyl-5,6,7,8-tetrahydro-5,8-ethanocinnoline

https://huagongshe.com/reaction/1888885

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantBicyclo[2.2.2]octane-2,3-dioneHCID 548936—
ReactantDimethyl (3,3-dimethyl-2-oxobutyl)phosphonateHCID 14302170—
Product3-Tert-butyl-5,6,7,8-tetrahydro-5,8-ethanocinnolineHCID 46175327—

Reaction Steps

White solid MS (ESI): 217.1 (MH+). Prepared from bicyclo[2.2.2]octane-2,3-dione, (3,3-dimethyl-2-oxo-butyl)-phosphonic acid dimethyl ester, hydrazine monohydrate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501940B2
Source datasetuspto-grants-2013_08
ORD IDord-8dd962ec4c6e4c2b950f2147ac15bdda
Source noteuspto-grants-2013_08