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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 332985Generated: October 25, 2026

Potassium Carbonate → (S)-3-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)-N-(pyridin-4-ylmethyl)piperidine-1-carboxamide

https://huagongshe.com/reaction/332985

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant(S)-3-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)piperidinium hydrochlorideHCID 86714280—
Reactant4-Nitrophenyl pyridin-4-ylmethylcarbamateHCID 86714303—
SolventDimethylformamideHCID 6228—
Product(S)-3-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)-N-(pyridin-4-ylmethyl)piperidine-1-carboxamideHCID 73213731—

Reaction Steps

A solution of 4-nitrophenyl (pyridin-4-ylmethyl)carbamate (Example 27d, 27.3 mg, 100 umol), (S)-3-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)piperidinium hydrochloride (Example 2a, 34.6 mg, 0.10 mmol) and K2CO3 in DMF (1 mL) was stirred at room temperature overnight. The resulting mixture was filtered and purified by preparative HPLC (10-90% acetonitrile in water) to provide the title product as a white solid. MS=445 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877922B2
Source datasetuspto-grants-2014_11
ORD IDord-5b79989e47d64634b1c4eb5f7a9e1108
Source noteuspto-grants-2014_11