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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1849024Generated: November 1, 2026

3,3-Difluoroazetidine hydrochloride → 1-Ethenesulfonyl-3,3-difluoro-azetidine

https://huagongshe.com/reaction/1849024

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,3-Difluoroazetidine hydrochlorideHCID 2758247—
Reactant8-(1-Ethenesulfonyl-azetidin-3-yl)-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azuleneHCID 67050581—
SolventDichloromethaneHCID 6344—
Product1-Ethenesulfonyl-3,3-difluoro-azetidineHCID 58204154—

Reaction Steps

The title compound was prepared by a similar procedure to 8-(1-ethenesulfonyl-azetidin-3-yl)-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene using 3,3-difluoroazetidine hydrochloride salt. 1-Ethenesulfonyl-3,3-difluoro-azetidine was isolated as a light brown oil after flash chromatography (SiO2, DCM) (171 mg, 61%). 1H NMR δ (ppm) (CDCl3): 6.56 (1 H, dd, J=16.56, 9.83 Hz), 6.40 (1H, d, J=16.59 Hz), 6.20 (1 H, d, J=9.83 Hz), 4.32-4.17 (4 H, m)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952043B2
Source datasetuspto-grants-2015_02
ORD IDord-5777ad65b6b046c38d17562bd99331a9
Source noteuspto-grants-2015_02