1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

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Chemical Name:1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester
CAS No.:635309-38-5
Molecular Formula:C₂₄H₂₆FN₃O₅
Molecular Weight:455.486
Hs Code.:

Synonyms:1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

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Chemical Property of 1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

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Technology Process of 1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

There total 5 articles about 1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

: 123-75-1
pyrrolidine

: 110286-57-2
7-chloro-1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

: 635309-38-5
1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

Guidance literature:: With potassium carbonate; In acetonitrile; at 20 ℃; for 48h;
DOI:10.1021/jm060010w

Reference yield:

: 96568-05-7
2,6-dichloro-α-(ethoxymethylene)-5-fluoro-β-oxo-3-pyridinepropanoic acid ethyl ester

: 635309-38-5
1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: CH₂Cl₂ / 1 h / 20 °C

2: 31.5 g / sodium hydride / tetrahydrofuran / 0 - 20 °C

3: 79.7 percent / acetonitrile / 3 h / 20 °C

With sodium hydride; In tetrahydrofuran; dichloromethane; acetonitrile;
DOI:10.1021/ol0481378

Reference yield:

: 96568-04-6
ethyl 3-(2,6-dichloro-5-fluoropyridin-3-yl)-3-oxopropanoate

: 635309-38-5
1-(2,4-dimethoxybenzyl)-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: acetic anhydride / 2 h / 130 °C

2: CH₂Cl₂ / 1 h / 20 °C

3: 31.5 g / sodium hydride / tetrahydrofuran / 0 - 20 °C

4: 79.7 percent / acetonitrile / 3 h / 20 °C

With acetic anhydride; sodium hydride; In tetrahydrofuran; dichloromethane; acetonitrile;
DOI:10.1021/ol0481378