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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 981735Generated: October 30, 2026

1-Pentanol → 6,8-Diazabicyclo[3.2.2]nonane-7,9-dione

https://huagongshe.com/reaction/981735

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-PentanolHCID 6276—
ReactantHCID 12853597HCID 12853597—
SolventTriethylamineHCID 8471—
Product6,8-Diazabicyclo[3.2.2]nonane-7,9-dioneHCID 1285359969.3%

Reaction Steps

A solution of 39.0 g (0.134 M) of 2, 6-diaminoheptanedioic acid, dimethyl ester, dihydrochloride, 56 ml (0.4 M) of triethylamine, and 3 L of 1-pentanol was heated under reflux for 4 days. The solution was evaporated to dryness and the residue was recrystallized from chloroform to give 14.3 g of the title compound, mp 280°-3° (69%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04992546
Source datasetuspto-grants-1991_02
ORD IDord-bd4d0bfa11494cbf99e27e2c04c4e42a
Source noteuspto-grants-1991_02