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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8325Generated: October 25, 2026

5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chloride → 1-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)sulfonyl]-4-(1-piperazinyl)-1H-indole Hydrochloride

https://huagongshe.com/reaction/8325

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chlorideHCID 2777126—
Reactanttert-Butyl 4-(1H-indol-4-yl)piperazine-1-carboxylateHCID 22015386—
Product1-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)sulfonyl]-4-(1-piperazinyl)-1H-indole HydrochlorideHCID 10113503—

Reaction Steps

The title compound was prepared from 4-(4-boc-piperazinyl)-indole and 5-chloro-1,3-dimethyl-1H-pyrazol-4yl-sulfonyl chloride according to Method 3: 1H NMR (270 MHz, DMSO-d6) δ 9.17 (br, 1 H), 7.78 (d, J=3 Hz, 1 H), 7.49 (d, J=8 Hz, 1 H), 7.28 (t, J=8 Hz, 1 H), 6.93 (d, J=3 Hz, 1 H), 6.87 (d, J=8 Hz, 1 H), 3.72 (s, 3 H), 3.28 (m, 8 H), 2.34 (s, 3 H); MS (ESI+) for m/z 394 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087750B2
Source datasetuspto-grants-2006_08
ORD IDord-69069e0c353b479ba9ed94775a85cd30
Source noteuspto-grants-2006_08