Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1047163Generated: November 3, 2026

Lithium Hydroxide → (S)-7-(2-(dimethylamino)ethylamino)-1-((1-ethylpyrrolidin-2-yl)methyl)-6-iodo-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

https://huagongshe.com/reaction/1047163

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantTetrahydrofuranHCID 8028—
Reactant(S)-ethyl 7-(2-(dimethylamino)ethylamino)-1-((1-ethylpyrrolidin-2-yl)methyl)-6-iodo-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylateHCID 69621290—
SolventMethanolHCID 887—
Product(S)-7-(2-(dimethylamino)ethylamino)-1-((1-ethylpyrrolidin-2-yl)methyl)-6-iodo-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acidHCID 68747399—

Reaction Steps

(S)-ethyl 7-(2-(dimethylamino)ethylamino)-1-((1-ethylpyrrolidin-2-yl)methyl)-6-iodo-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate (Intermediate 40) was then taken up in methanol (2 mL) and THF (5 mL) and 1 ml of 2N LiOH was added and stirred at room temperature for 30 min. The solvent was removed in vacuo to give (S)-7-(2-(dimethylamino)ethylamino)-1-((1-ethylpyrrolidin-2-yl)methyl)-6-iodo-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid as a light brown solid, material, which will be carried forward without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08569484B2
Source datasetuspto-grants-2013_10
ORD IDord-29323c196fdb4734bde52029569d579c
Source noteuspto-grants-2013_10