Synthesis of novel 1,2,4-thiadiazinane 1,1-dioxides via three component SuFEx type reaction?
RSC Advances Pub Date: 2018-11-07 DOI: 10.1039/C8RA07627H
Abstract
Herein, we report the preparation of 1,2,4-thiadiazinane 1,1-dioxides from reaction of β-aminoethane sulfonamides with dichloromethane, dibromomethane and formaldehyde as methylene donors. The β-aminoethane sulfonamides were obtained through sequential Michael addition of amines to α,β-unsaturated ethenesulfonyl fluorides followed by further DBU mediated sulfur(VI) fluoride exchange (SuFEx) reaction with amines at the S–F bond.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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