1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

Base Information

Chemical Name:1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide
CAS No.:220502-40-9
Molecular Formula:C₂₀H₂₀N₄O₃
Molecular Weight:364.404
Hs Code.:

Synonyms:1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

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Chemical Property of 1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

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Technology Process of 1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

There total 3 articles about 1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide 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: 89.0%

: 123-11-5
4-methoxy-benzaldehyde

: 79878-27-6
1-ethyl-7-methyl-4-oxo-1, 4-dihydro-1,8-naphthyridine-3-carbohydrazide

: 220502-40-9
1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

Guidance literature:: In methanol; at 20 ℃; for 3h;
DOI:10.1002/jhet.2468

Reference yield:

: 63475-29-6
methyl 1-ethyl-1,4-dihydro-7-methyl-4-oxo-1, 8-naphthyridine-3-carboxylate

: 220502-40-9
1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate

2: methanol / 3 h / 20 °C

With hydrazine hydrate; In methanol;
DOI:10.1021/jf904144e

Reference yield:

: 389-08-2
nalidixic Acid

: 220502-40-9
1-ethyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxylic acid (4-methoxybenzylidene)hydrazide

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate

2: hydrazine hydrate

3: methanol / 3 h / 20 °C

With potassium carbonate; hydrazine hydrate; In methanol;
DOI:10.1021/jf904144e