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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1962330Generated: October 31, 2026

Pyridine → HCID 25234761, compound

https://huagongshe.com/reaction/1962330

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantMethanesulfonyl chlorideHCID 31297—
ReactantHCID 25234760HCID 25234760—
SolventDichloromethaneHCID 6344—
ProductHCID 25234761HCID 252347614.6%

Reaction Steps

To a solution of the product from Example 83 (0.35 g, 0.83 mmol) in anhydrous CH2Cl2 (50 mL) was added methanesulfonyl chloride (194 μL, 2.49 mmol) and pyridine (1.34 mL, 16.6 mmol). The resulting mixture was stirred at room temperature for 16 h and concentrated in vacuo. The crude product was purified by C-18 reverse-phase HPLC using an acetonitrile:H2O (0.1% TFA) gradient to give the title compound (19 mg, 4%). 1H NMR (300 MHz, DMSO-d6) δ 13.09 (s, 1H) 11.41 (d, J=1.84 Hz, 1H) 7.96 (d, J=1.47 Hz, 1H) 7.77 (d, J=8.09 Hz, 1H) 7.57 (dd, 1H) 7.42 (d, j=8.09 Hz, 1H) 7.25-7.32 (m, 2H) 5.64 (dd, J=8.09, 2.21 Hz, 1H) 3.25 (s, 3H) 3.02 (s, 3H) 1.40 (s, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08415351B2
Source datasetuspto-grants-2013_04
ORD IDord-69841dcc661140d19b03cd4384e2467f
Source noteuspto-grants-2013_04