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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330594Generated: October 25, 2026

Hydrochloric Acid → (Hexahydro-1H-pyrrolizin-7A-YL)methanamine

https://huagongshe.com/reaction/330594

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanthexahydro-1H-pyrrolizine-7a-carbonitrileHCID 11029899—
CatalystPlatinum oxide (PtO)HCID 82844—
SolventAcetic AcidHCID 176—
Product(Hexahydro-1H-pyrrolizin-7A-YL)methanamineHCID 1065430461%

Reaction Conditions

Temperature20 °C

Reaction Steps

In 8.5 ml of acetic acid introduced therein hydrogen chloride gas (400 mg, 11.0 mmol), 7a-cyano-2,3,5,6,7,7a-hexahydro-1H-pyrrolizine (300 mg, 2.20 mmol, obtained in Example 1) and platinum oxide (30 mg) were added to stir under hydrogen gas atmosphere for 24 hours at 20° C. After removal of insoluble matters from the reaction mixture, the filtrate was concentrated, 0.5N NaOH (10 ml) was added to the residue, which was extracted with chloroform, the extract was dried over anhydrous sodium sulfate, concentrated, and distilled in vacuo to afford 188 mg of the desired compound (Yield: 61%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04897495
Source datasetuspto-grants-1990_01
ORD IDord-79c8bff648b14a5baa360b87af84f372
Source noteuspto-grants-1990_01