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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 39034Generated: October 25, 2026

Ammonia → [(2S)-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methylamine

https://huagongshe.com/reaction/39034

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant[(2R)-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methyl 4-methylbenzenesulfonateHCID 86652935—
Product[(2S)-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methylamineHCID 66878351—

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of [(2R)-7-(methylsulfonyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methyl 4-methylbenzenesulfonate (1.1 g, 2.5 mmol), NH3 (4 ml, 7N in methanol) was heated under microwave radiation at 120° C. for 20 min. The product was evaporated to dryness and was purified by flash column chromatography (EtOAc/MeOH). Yield 0.31 g. MS m/z (rel. intensity, 70 eV) 243 (M+, 35), 214 (bp), 199 (35), 79 (25), 56 (22).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524766B2
Source datasetuspto-grants-2013_09
ORD IDord-d687c40677da413283cac18f46317362
Source noteuspto-grants-2013_09