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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1052367Generated: October 25, 2026

Diisopropylethylamine → (S)-tert-Butyl 4-(benzyloxy)-1-oxo-1-(2-(phenylcarbamoyl)-1H-pyrrol-1-ylamino)butan-2-ylcarbamate

https://huagongshe.com/reaction/1052367

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantPropylphosphonic anhydrideHCID 111923—
ReactantO-Benzyl-N-(tert-butoxycarbonyl)-L-homoserineHCID 15058464—
Reactant1-amino-N-phenyl-1H-pyrrole-2-carboxamideHCID 70922454—
SolventEthyl AcetateHCID 8857—
Product(S)-tert-Butyl 4-(benzyloxy)-1-oxo-1-(2-(phenylcarbamoyl)-1H-pyrrol-1-ylamino)butan-2-ylcarbamateHCID 8672205298.7%

Reaction Steps

1-Amino-N-phenyl-1H-pyrrole-2-carboxamide (0.65 g, 3.23 mmol) was treated with (S)-4-(benzyloxy)-2-((tert-butoxycarbonyl)amino)butanoic acid (1 g, 3.23 mmol), N,N-diisopropylethylamine (1.9 mL, 10.66 mmol) and T3P® (50% in ethyl acetate, 2.7 mL, 4.52 mmol) according to the method of Preparation 5a to give 1.57 g (98% yield) of the desired compound. Purity 97%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09388189B2
Source datasetuspto-grants-2016_07
ORD IDord-9bd92a2cba6f4473a9fb195758b8fcf2
Source noteuspto-grants-2016_07