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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1922244Generated: October 26, 2026

Diisopropylethylamine → (S)-N-(1-(cyclopropylsulfonyl)piperidin-3-yl)-6-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)benzo[d]thiazol-2-amine

https://huagongshe.com/reaction/1922244

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantCyclopropanesulfonyl chlorideHCID 2760919—
Reactant(S)-6-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)-N-(piperidin-3-yl)benzo[d]thiazol-2-amineHCID 57725571—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product(S)-N-(1-(cyclopropylsulfonyl)piperidin-3-yl)-6-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)benzo[d]thiazol-2-amineHCID 5772555366.7%

Reaction Steps

To the solution of (S)-6-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)-N-(piperidin-3-yl)benzo[d]thiazol-2-amine (7.6 mg, 18 μmol) and DIPEA (35 μL, 200 μmol) in 400 μL of NMP was added cyclopropanesulfonyl chloride (10 mg, 98 μmol). The reaction solution was stirred at 55 for 16 hours. The crude reaction solution was purified on prep HPLC and evaporated in vacuo to give (S)—N-(1-(cyclopropylsulfonyl)piperidin-3-yl)-6-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)benzo[d]thiazol-2-amine (6.2 mg, 12 μmol) as white powder. ES/MS m/z 511.2 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08173689B2
Source datasetuspto-grants-2012_05
ORD IDord-effa16ef3c0146bb93bb2566e139016d
Source noteuspto-grants-2012_05