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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 9147Generated: October 26, 2026

Sodium Carbonate → 1-(6-(4-Pyrazolyl)-2-benzothiazolyl)-3-ethylurea

https://huagongshe.com/reaction/9147

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantN,N-Dimethylformamide--water (1/1)HCID 21962138—
Reactant1-(6-Bromo-2-benzothiazolyl)-3-ethylureaHCID 21985564—
Reactant1-(6-(3-Aminophenyl)-2-benzothiazolyl)-3-ethylureaHCID 21985575—
CatalystHCID 178418397HCID 178418397—
Product1-(6-(4-Pyrazolyl)-2-benzothiazolyl)-3-ethylureaHCID 2198557830%

Reaction Steps

Similar to the synthesis of 1-(6-(3-aminophenyl)-2-benzothiazolyl)-3-ethylurea, a mixture of 4-pyrazolylboronic pinacolate, 1-(6-bromo-2-benzothiazolyl)-3-ethylurea, sodium carbonate, and Pd(PPh3)4 in DMF/water mixed solvent was reacted to give the desired compound 0.543 g (30%). LC/MS 288.2 (M+1); LC retention time 2.61 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07091227B2
Source datasetuspto-grants-2006_08
ORD IDord-a5f3ce06d6ac4f33ac47c498605c9889
Source noteuspto-grants-2006_08