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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 74580Generated: October 26, 2026

2-Chloroisonicotinic acid → (2-Chloro-pyridin-4-yl)-(5,6-difluoro-2,3-dihydro-indol-1-yl)-methanone

https://huagongshe.com/reaction/74580

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloroisonicotinic acidHCID 236985—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant5,6-DifluoroindolineHCID 16792594—
SolventDimethylformamideHCID 6228—
Product(2-Chloro-pyridin-4-yl)-(5,6-difluoro-2,3-dihydro-indol-1-yl)-methanoneHCID 58386704—

Reaction Steps

0.35 g (2.2 mmol) 2-chloroisonicotinic acid, 0.34 g (2.2 mmol) 5,6-difluoro-2,3-dihydro-1 H-indole, 0.70 mL (5.0 mmol) TEA and 10 mL DMF were mixed with 0.77 g (2.4 mmol) TBTU and stirred for 2 h at RT. The reaction mixture was purified by HPLC. The product fractions were combined and evaporated down.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08829006B2
Source datasetuspto-grants-2014_09
ORD IDord-dc680f7fb7084e5ab8318dbfc433ca41
Source noteuspto-grants-2014_09