5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

Base Information

Chemical Name:5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione
CAS No.:256423-92-4
Molecular Formula:C₁₉H₁₉NO₃S
Molecular Weight:341.431
Hs Code.:

Synonyms:5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

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Chemical Property of 5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

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Technology Process of 5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

There total 6 articles about 5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione 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: 72.0%

: 256423-87-7
5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinone

: 256423-92-4
5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

Guidance literature:: With Lawessons reagent; In toluene; for 18h; Heating;
DOI:10.1021/jm010978m

Reference yield:

: 19172-47-5,94367-93-8
Lawessons reagent

: 256423-87-7
5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinone

: 256423-92-4
5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

Guidance literature:: In toluene;

Reference yield:

: 10272-07-8
3.5-dimethoxyaniline

: 256423-92-4
5,7-Dimethoxy-3-(4-methoxyphenyl)-1-methyl-1,2-dihydro-2-quinolinethione

Guidance literature:: Multi-step reaction with 4 steps

1.1: 82 percent / toluene / 1 h / 20 °C

2.1: POCl₃ / -30 - 75 °C

2.2: 22 percent / aq. AcOH / 3 h / Heating

3.1: NaH / dimethylformamide / 0.25 h / 0 °C

3.2: 68 percent / dimethylformamide / 18 h / 90 °C

4.1: 72 percent / Lawesson's reagent / toluene / 18 h / Heating

With Lawessons reagent; sodium hydride; trichlorophosphate; In N,N-dimethyl-formamide; toluene;
DOI:10.1021/jm010978m