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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 78809Generated: October 28, 2026

Trifluoroacetic acid methylene chloride → 2-Chloro-N-[(2R)-2,3-dihydroxy-propoxy]-3-(2-fluoro-4-iodo-phenylamino)-isonicotinamide

https://huagongshe.com/reaction/78809

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acid methylene chlorideHCID 21863450—
Reactant2-Chloro-N-{[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy}-3-(2-fluoro-4-iodo-phenylamino)-isonicotinamideHCID 57649632—
Product2-Chloro-N-[(2R)-2,3-dihydroxy-propoxy]-3-(2-fluoro-4-iodo-phenylamino)-isonicotinamideHCID 57649635—

Reaction Steps

Deprotection of 2-Chloro-N-{[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy}-3-(2-fluoro-4-iodo-phenylamino)-isonicotinamide with 50:50 mixture of TFA/dichloromethane at room temperature for 30 minutes afforded the desired product. Purification by reverse phase LC/MS [7.94 min; 482 (M+1)].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841459B2
Source datasetuspto-grants-2014_09
ORD IDord-739a0989cb674163bc3334871f7f4912
Source noteuspto-grants-2014_09