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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1702213Generated: October 29, 2026

1-benzyl 5-tert-butyl (5S)-3-benzyl-2-oxoimidazolidine-1,5-dicarboxylate → tert-butyl (S)-1-benzyl-2-oxoimidazolidine-4-carboxylate

https://huagongshe.com/reaction/1702213

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-benzyl 5-tert-butyl (5S)-3-benzyl-2-oxoimidazolidine-1,5-dicarboxylateHCID 56635970—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Producttert-butyl (S)-1-benzyl-2-oxoimidazolidine-4-carboxylateHCID 1305398394.3%

Reaction Steps

7.4 g of tert.-butyl (4S)-1-benzyl-3-benzyloxycarbonyl-2-oxo-imidazolidine-4-carboxylate, 0.1 g of palladium-black and 200 ml of methanol are treated in the same manner as described in Example 1-(3). 4.7 g of tert.-butyl(4S)-1-benzyl-2-oxo-imidazolidine-4-carboxylate are obtained as colorless crystals. Yield: 94.3%

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04380644
Source datasetuspto-grants-1983_04
ORD IDord-ba9b74c8e3644642af9a653ec1cb8f4a
Source noteuspto-grants-1983_04