Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 38935Generated: October 30, 2026

Ethanolamine → 2-({[5-Fluoro-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-YL]methyl}amino)ethanol

https://huagongshe.com/reaction/38935

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
Reactant[5-Fluoro-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methyl 4-methylbenzenesulfonateHCID 86652936—
SolventAcetonitrileHCID 6342—
Product2-({[5-Fluoro-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-YL]methyl}amino)ethanolHCID 44470159—

Reaction Steps

Preparation according to Example 42 using [5-fluoro-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methyl-4-methylbenzenesulfonate (0.005 g, 0.012 mmol), 2-aminoethanol (0.5 ml), ACN (2.5 ml). 1H-NMR (400 MHz, MeOD): δ 7.36 (2H, m), δ 4.54 (1H, dd, J 12, 2.4), δ 4.44 (1H, m), δ 4.18 (1H, dd, J 12, 7.2), δ 3.71 (2H, t, J 5.6), δ 3.13 (3H, s), δ 2.98 (2H, m), 2.81 (2H, m) ppm (J-values are in Hz and shifts relative to solvent-peak at 3.31 ppm).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524766B2
Source datasetuspto-grants-2013_09
ORD IDord-a53702d0baef49f796bf1bc716e58e58
Source noteuspto-grants-2013_09