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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1931055Generated: October 27, 2026

4-(1H-pyrazol-1-yl)benzene-1-sulfonyl chloride → (E)-3-[1-(4-Pyrazol-1-yl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl ester

https://huagongshe.com/reaction/1931055

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(1H-pyrazol-1-yl)benzene-1-sulfonyl chlorideHCID 2776475—
Reactanttert-butyl (2E)-3-(1H-pyrrol-3-yl)prop-2-enoateHCID 66646340—
Product(E)-3-[1-(4-Pyrazol-1-yl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl esterHCID 66646252—

Reaction Steps

Starting from (E)-3-(1H-pyrrol-3-yl)-acrylic acid tert-butyl ester (compound D1) and art-known 4-pyrazol-1-yl-benzenesulfonylchloride the title compound can be obtained analogously or similarly as described for compound C1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08188138B2
Source datasetuspto-grants-2012_05
ORD IDord-2bb3a1446df54847b8359b2dd8c710c5
Source noteuspto-grants-2012_05