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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1965338Generated: October 30, 2026

3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-{[5-(trifluoromethyl)furan-2-yl]methyl}-1,3-dihydro-2H-indol-2-one → 3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-1-{[3-(trifluoromethyl)pyridin-2-yl]methyl}-1,3-dihydro-2H-indol-2-one

https://huagongshe.com/reaction/1965338

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-{[5-(trifluoromethyl)furan-2-yl]methyl}-1,3-dihydro-2H-indol-2-oneHCID 67357796—
Reactant3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-{[3-(trifluoromethyl)pyridin-2-yl]methyl}-1,3-dihydro-2H-indol-2-oneHCID 68600285—
Product3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-1-{[3-(trifluoromethyl)pyridin-2-yl]methyl}-1,3-dihydro-2H-indol-2-oneHCID 67356269—

Reaction Steps

Following the procedure described in PREPARATION 71B and making non-critical variations using 3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-{[3-(trifluoromethyl)pyridin-2-yl]methyl}-1,3-dihydro-2H-indol-2-one to replace 3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-{[5-(trifluoromethyl)furan-2-yl]methyl}-1,3-dihydro-2H-indol-2-one, 3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-1-{[3-(trifluoromethyl)pyridin-2-yl]methyl}-1,3-dihydro-2H-indol-2-one was obtained (91%) as a colorless amorphous solid: MS (ES+) m/z 465.2 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08415370B2
Source datasetuspto-grants-2013_04
ORD IDord-420276af14354d689fe47f60c052cd4f
Source noteuspto-grants-2013_04