Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 478743Generated: October 27, 2026

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

https://huagongshe.com/reaction/478743

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium diisopropylamideHCID 2724682—
Reactant2-(3-Nitro-phenylamino)-pyridine-3-carbaldehydeHCID 12114952—
ReactantMethyl 4-(Pyridin-4-yl)butanoateHCID 12114953—
SolventN,N-dimethylformamide ethanolHCID 19794673—
Product1-(3-nitrophenyl)-3-[2-(pyridin-4-yl)ethyl]-1,8-naphthyridin-2(1H)-oneHCID 12074621—

Reaction Steps

The procedure of Example 1 was repeated using 2-(3-nitrophenylamino)nicotinaldehyde (1.0 eq.), methyl 4-(pyridin-4-yl)butanoate (1.1 eq., prepared in Synthetic Example 8) and LDA (1.5 eq.) to obtain 1-(3-nitrophenyl)-3-[2-(pyridin-4-yl)ethyl]-1,8-naphthyridin-2(1H)-one, mp 213 to 214° C./DMF-EtOH.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06642250B2
Source datasetuspto-grants-2003_11
ORD IDord-a2d9039d07cf4aabad7c6fecc8cadb52
Source noteuspto-grants-2003_11