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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494818Generated: October 30, 2026

Triethylamine → 7-(4-Amino-2-isoindolinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid

https://huagongshe.com/reaction/1494818

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylateHCID 11722954—
ReactantIsoindolin-4-amineHCID 14795861—
Reactant10-(5-aminomethyl-2-isoindolinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido [1,2,3-de][1,4]-benzoxazine-6-carboxylic acidHCID 54244615—
SolventChloroformHCID 6212—
Product7-(4-Amino-2-isoindolinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acidHCID 14795874—

Reaction Steps

310 mg of 1 cyclopropyl-6-fluoro-7-chloro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid ethyl ester, 270 mg of 4-aminoisoindoline, 0.42 ml of triethylamine, and 5 ml of anhydrous chloroform were processed in a similar manner as in Example 107 to produce 88 mg of 7-(4-amino-2- isoindolinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8- naphthyridine-3-carboxylic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026856
Source datasetuspto-grants-1991_06
ORD IDord-52b70de95dd946e7af42d2aaf838f1d7
Source noteuspto-grants-1991_06