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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1876641Generated: October 29, 2026

Triethylamine → 4-(4-(3-(5-Chloro-1H-indol-1-yl)propanoyl)piperazin-1-yl)-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide

https://huagongshe.com/reaction/1876641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantBenzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 151348—
Reactant4-(piperazin-1-yl)-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamideHCID 59466073—
Reactant3-(5-chloro-1H-indol-1-yl)propanoic acidHCID 59466443—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
SolventAcetonitrileHCID 6342—
Product4-(4-(3-(5-Chloro-1H-indol-1-yl)propanoyl)piperazin-1-yl)-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamideHCID 5362759653%

Reaction Steps

Synthesized according to general procedure 5, method A. The reaction was set up with 0.11 mmol 4-(piperazin-1-yl)-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide, 0.11 mmol 3-(5-chloro-1H-indol-1-yl)propanoic acid, 0.11 mmol BOP reagent, 0.11 mmol triethylamine and 250 μL DMF. Yield 53%. 1H NMR (400 MHz, DMSO-d6) δ 8.42 (s, 1H), 7.61-7.46 (m, 5H), 7.12 (dd, J=8.7, 2.1 Hz, 1H), 6.97 (d, J=9.1 Hz, 2H), 6.40 (d, J=2.5 Hz, 1H), 4.43 (t, J=6.8 Hz, 2H), 3.55 (t, J=5.2 Hz, 2H), 3.44 (t, J=4.9 Hz, 2H), 3.22 (t, J=5.1 Hz, 2H), 3.17 (t, J=5.0 Hz, 2H), 2.83-2.79 (m, 2H). LC/MS (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)), m/z: M+1 obs=531.1; tR=3.15 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08309587B2
Source datasetuspto-grants-2012_11
ORD IDord-5328fe77c3a04340b33470c8c922b3de
Source noteuspto-grants-2012_11