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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 577936Generated: October 30, 2026

3,3-Difluoroazetidine hydrochloride → (5-((tert-Butyldiphenylsilyloxy)methyl)-7-chloro-6-((2R,6S)-2,6-dimethylmorpholino)isoxazolo[4,5-b]pyridin-3-yl)(3,3-difluoroazetidin-1-yl)methanone

https://huagongshe.com/reaction/577936

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,3-Difluoroazetidine hydrochlorideHCID 2758247—
ReactantEthyl 5-((tert-butyldiphenylsilyloxy)methyl)-7-chloro-6-((2R,6S)-2,6-dimethylmorpholino)isoxazolo[4,5-b]pyridine-3-carboxylateHCID 67356857—
Product(5-((tert-Butyldiphenylsilyloxy)methyl)-7-chloro-6-((2R,6S)-2,6-dimethylmorpholino)isoxazolo[4,5-b]pyridin-3-yl)(3,3-difluoroazetidin-1-yl)methanoneHCID 67359795—

Reaction Steps

Starting material: ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-7-chloro-6-((2R,6S)-2,6-dimethylmorpholino)isoxazolo[4,5-b]pyridine-3-carboxylate (Intermediate 211) and 3,3-difluoroazetidine-HCl.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09040528B2
Source datasetuspto-grants-2015_05
ORD IDord-36df29d35276476dbef19c9346f628c7
Source noteuspto-grants-2015_05