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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 478748Generated: October 31, 2026

Lithium diisopropylamide → 1-(3-nitrophenyl)-3-[4-(pyridin-2-yl)butyl]-1,8-naphthyridin-2(1H)-one

https://huagongshe.com/reaction/478748

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium diisopropylamideHCID 2724682—
Reactant2-(3-Nitro-phenylamino)-pyridine-3-carbaldehydeHCID 12114952—
Reactant7-methyl-1-(3-nitrophenyl)-3-[3-(pyridin-4-yl)propyl]-1,8-naphthyridin-2(1H)-oneHCID 18002612—
SolventDimethylformamideHCID 6228—
Product1-(3-nitrophenyl)-3-[4-(pyridin-2-yl)butyl]-1,8-naphthyridin-2(1H)-oneHCID 12074624—

Reaction Steps

The procedure of Example 1 was repeated using 2-(3-nitrophenylamino)nicotinaldehyde (1.0 eq.), ethyl 6-(pyridin-2-yl)hexanoate (2.0 eq., prepared in Synthetic Example 11) and LDA (2.0 eq.) to obtain 1-(3-nitrophenyl)-3-[4-(pyridin-2-yl)butyl]-1,8-naphthyridin-2(1H)-one, mp 163 to 165° C./DMF, wherein the product was purified through silica gel column chromatography and recrystallization.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06642250B2
Source datasetuspto-grants-2003_11
ORD IDord-7686cef401a342e9a0feb9b2245a939b
Source noteuspto-grants-2003_11