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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1908652Generated: October 28, 2026

Trifluoroacetic acid → Benzyl 1-aminocyclobutane-1-carboxylate

https://huagongshe.com/reaction/1908652

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1-tert-Butoxycarbonylamino-cyclobutanecarboxylic acid benzyl esterHCID 66919931—
SolventDichloromethaneHCID 6344—
ProductBenzyl 1-aminocyclobutane-1-carboxylateHCID 22120948—

Reaction Steps

To a solution of 2.2 g 1-tert-Butoxycarbonylamino-cyclobutanecarboxylic acid benzyl ester in 20 ml dichloromethane were added 8 ml TFA. After stirring for 4 h the mixture was concentrated and the residue codistilled with toluene. The free amine was obtained by treatment with (Polystyrylmethyl)trimethylammonium bicarbonate in MeCN. Yield: 1.7 g

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08598179B2
Source datasetuspto-grants-2013_12
ORD IDord-a0445c18e0d641c2aeefe09ef12e21fc
Source noteuspto-grants-2013_12