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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2088428Generated: October 25, 2026

Dichloromethane → (S)-tert-butyl 1-(3-(2-bromothiazole-4-carboxamido)pyridin-4-yl)piperidin-3-ylcarbamate

https://huagongshe.com/reaction/2088428

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantDiisopropylethylamineHCID 81531—
Reactant2-Bromo-1,3-thiazole-4-carboxylic acidHCID 2763209—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant(S)-tert-Butyl (1-(3-aminopyridin-4-yl)piperidin-3-yl)carbamateHCID 59332360—
Product(S)-tert-butyl 1-(3-(2-bromothiazole-4-carboxamido)pyridin-4-yl)piperidin-3-ylcarbamateHCID 58182192—

Reaction Steps

To a mixture of (S)-tert-butyl 1-(3-aminopyridin-4-yl)piperidin-3-ylcarbamate (1.04 g, 5.00 mmol) and 2-bromothiazole-4-carboxylic acid (1.46 g, 5.00 mmol) in Methylene chloride (10 mL, 200 mmol) was added N,N-Diisopropylethylamine (3.48 mL, 20.0 mmol) and N,N,N′,N′-Tetramethyl-O-(7-azabenzotriazol-1-yl)uronium Hexafluorophosphate (2.28 g, 6.00 mmol). The reaction mixture was stirred at room temperature overnight. The reaction mixture was then concentrated and the residue was purified on silica eluting with 0 to 5% MeOH in DCM with 1% NH4OH (2.41 g, 99.9%). ESIMS m/z=484.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08435976B2
Source datasetuspto-grants-2013_05
ORD IDord-2e4d972975d04f16a3fbd5c04a99d45d
Source noteuspto-grants-2013_05