Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1845632Generated: October 26, 2026

Chlorosuccinimide → N-[(1S)-2-amino-1-phenylethyl]-4-(4-bromo-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamide

https://huagongshe.com/reaction/1845632

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorosuccinimideHCID 31398—
ReactantN-bromobutanimideHCID 67184—
Reactanttert-butyl N-(2-amino-3-phenylpropyl)carbamateHCID 20159911—
Reactant4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic AcidHCID 57826455—
Reactant1,1-Dimethylethyl (3-amino-4-phenylbutyl)carbamateHCID 59777238—
ProductN-[(1S)-2-amino-1-phenylethyl]-4-(4-bromo-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamideHCID 57826839—

Reaction Steps

The title compound was prepared as a white solid according to the procedure of Example 24, except substituting 5-methyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (168 mg, 0.5 mmol) [prepared according to Example 198] for 4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid, N-bromosuccinimide (88.5 mg, 0.5 mmol) for N-chlorosuccinimide and 1,1-dimethylethyl (2-amino-3-phenylpropyl)carbamate (71 mg, 0.3 mmol) [prepared according to the procedure of Preparation 1] for 1,1-dimethylethyl (3-amino-4-phenylbutyl)carbamate: LC-MS (ES) m/z 341 (M+H)+, 1H NMR (400 MHz, MeOD) δ ppm 2.39 (d, J=4.04 Hz, 3H) 3.42 (br. s., 1H) 3.55 (br. s., 1H) 3.75-3.78 (m, 3H) 5.45 (m, 1H) 7.37 (d, J=7.07 Hz, 1H) 7.40-7.46 (m, 2H) 7.49 (br. s., 2H) 7.59-7.68 (m, 1H) 7.80-7.88 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946278B2
Source datasetuspto-grants-2015_02
ORD IDord-077f4a899fbd4114ae54bd826668a576
Source noteuspto-grants-2015_02