6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

Base Information

Chemical Name:6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid
CAS No.:136281-41-9
Molecular Formula:C₁₉H₁₆ClNO₅
Molecular Weight:373.793
Hs Code.:

Synonyms:6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

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Chemical Property of 6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

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Technology Process of 6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

There total 4 articles about 6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid 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: 80.6%

: 136281-40-8
ethyl 6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3quinolinecarboxylate

: 136281-41-9
6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

Guidance literature:: With potassium hydroxide; In ethanol; water; for 0.5h; Heating;
DOI:10.1248/cpb.43.616

Reference yield:

: 94100-07-9
2-amino-5-chloro-3',4'-dimethoxybenzophenone

: 136281-41-9
6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 76.8 percent / piperidine / 4 h / 170 °C

2: 1.) NaH / 1.) DMF, RT, 30 min, 2.) DMF, RT, 3 h

3: 80.6 percent / KOH / ethanol; H₂O / 0.5 h / Heating

With piperidine; potassium hydroxide; sodium hydride; In ethanol; water;
DOI:10.1248/cpb.43.616

Reference yield:

: 136281-39-5
ethyl 6-chloro-1,2-dihydro-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylate

: 136281-41-9
6-chloro-1,2-dihydro-1-methyl-4-(3,4-dimethoxyphenyl)-2-oxo-3-quinolinecarboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) NaH / 1.) DMF, RT, 30 min, 2.) DMF, RT, 3 h

2: 80.6 percent / KOH / ethanol; H₂O / 0.5 h / Heating

With potassium hydroxide; sodium hydride; In ethanol; water;
DOI:10.1248/cpb.43.616