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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1947530Generated: October 30, 2026

Piperidine → HCID 49833910, compound

https://huagongshe.com/reaction/1947530

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
ReactantDiisopropylethylamineHCID 81531—
Reactant2-(2-Chloromethyl-benzo[b]thiophen-6-yloxy)-benzothiazoleHCID 59577626—
SolventAcetonitrileHCID 6342—
ProductHCID 49833910HCID 4983391049%

Reaction Steps

To a solution 2-(2-chloromethyl-benzo[b]thiophen-6-yloxy)-benzothiazole (86 mg, 0.26 mmol) in MeCN (3 mL) was added DIEA (0.014 mL, 11 mg, 0.8 mmol) followed by piperidine (0.051 mL, 44 mg, 0.52 mmol) and stirred (rt, 12 h). The reaction mixture was partitioned between DCM (15 mL) and saturated NaHCO3(5 mL). The organic layer was washed with saturated NH4Cl (10 mL), dried, filtered and concentrated in vacuo. The resulting residue was purified by reverse phase chromatography to provide the title compound as colorless solid (48 mg, 49%). MS (ESI): mass calcd. for C21H20N2OS2, 380.1; m/z found, 381.1[M+H]+. 1H NMR (400 MHz, CDCl3): 7.79 (d, J=2.3, 1H), 7.75-7.72 (m, 1H), 7.70 (d, J=8.6, 1H), 7.65 (dd, J=8.0, 0.7, 1H), 7.40-7.35 (m, 1H), 7.29 (dd, J=8.6, 2.3, 1H), 7.28-7.21 (m, 1H), 7.13 (5, 1H), 3.75 (5, 2H), 2.55-2.40 (m, 4H), 1.69-1.54 (m, 4H), 1.52-1.32 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08399465B2
Source datasetuspto-grants-2013_03
ORD IDord-ff94ec34dec24655ac708b97741f3dd5
Source noteuspto-grants-2013_03