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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 525042Generated: October 27, 2026

3,5-Difluoroaniline → (S)-tert-Butyl 4-(benzyloxy)-1-(3-bromo-2-(3,5-difluorophenylcarbamoyl)-1H-pyrrol-1-ylamino)-1-oxobutan-2-ylcarbamate

https://huagongshe.com/reaction/525042

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-DifluoroanilineHCID 96595—
Reactant(S)-Methyl 1-(4-(benzyloxy)-2-(tert-butoxycarbonylamino)butanamido)-3-bromo-1H-pyrrole-2-carboxylateHCID 86722060—
Product(S)-tert-Butyl 4-(benzyloxy)-1-(3-bromo-2-(3,5-difluorophenylcarbamoyl)-1H-pyrrol-1-ylamino)-1-oxobutan-2-ylcarbamateHCID 8672206167.5%

Reaction Steps

The title compound was prepared from (S)-methyl 1-(4-(benzyloxy)-2-(tert-butoxycarbonylamino)butanamido)-3-bromo-1H-pyrrole-2-carboxylate (4.0 g, 7.8 mmol) and 3,5-difluoroaniline (5.1 g, 39.0 mmol) following the experimental procedure described in Preparation 44a. 3.2 g (66% yield) of the desired compound were obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340547B2
Source datasetuspto-grants-2016_05
ORD IDord-62e0c269d5354c4db3b9ea32f7676c68
Source noteuspto-grants-2016_05