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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1814033Generated: October 31, 2026

Hydrochloric Acid → 3-(2-Fluoro-4-nitro-phenyl)-3-aza-bicyclo[3.1.0]hexane

https://huagongshe.com/reaction/1814033

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiisopropylethylamineHCID 81531—
Reactant1,2-Difluoro-4-nitrobenzeneHCID 123053—
Reactant3-Azabicyclo(3.1.0)hexaneHCID 13150523—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
Product3-(2-Fluoro-4-nitro-phenyl)-3-aza-bicyclo[3.1.0]hexaneHCID 11195401—

Reaction Conditions

Temperature45 °C

Reaction Steps

Diisopropylethylamine (0.56 mL, 3.2 mmol) and 3,4-difluoronitrobenzene (0.184 g, 1.16 mmol) were added to a solution 3-aza-bicyclo[3.1.0]hexane (0.152 g of HCl salt, 1.28 mmol; prepared as described in U.S. Pat. No. 4,183,857) in DMF (3.2 mL). The mixture was heated for three days at 45° C. and then cooled to room temperature. The solution was diluted with ethyl acetate and washed with 0.5 M HCl, saturated NaHCO3, brine, and dried (MgSO4). The mixture was filtered and concentrated to give 3-(2-fluoro-4-nitro-phenyl)-3-aza-bicyclo[3.1.0]hexane as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06875784B2
Source datasetuspto-grants-2005_04
ORD IDord-1c8accd7ee2a45738cf6d1e438992710
Source noteuspto-grants-2005_04