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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2183446Generated: October 29, 2026

Dichloromethane → [(1R)-2-AMINO-1-PHENYLETHYL]-CARBAMIC ACID 1,1-DIMETHYLETHYL ESTER

https://huagongshe.com/reaction/2183446

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantTriethylamineHCID 8471—
ReactantEthyl AcetateHCID 8857—
ReactantHCID 20790081HCID 20790081—
SolventMethanolHCID 887—
SolventTetrahydrofuranHCID 8028—
Product[(1R)-2-AMINO-1-PHENYLETHYL]-CARBAMIC ACID 1,1-DIMETHYLETHYL ESTERHCID 1567518382%

Reaction Steps

Using a similar hydrogenolysis procedure to that described as Deprotection Method A, (R)-2-(Boc-amino)-2-phenylethylazide (32.5 g, 124 mmol) in methanol (200 mL) and THF (300 mL) afforded, after chromatography (SiO2, 10:5:1 CH2Cl2, EtOAc, triethylamine), 24.0 g (82%) of the title compound

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06900196B2
Source datasetuspto-grants-2005_05
ORD IDord-1fe9d4a7c8ac476c84427cab5e4657d5
Source noteuspto-grants-2005_05