7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

Base Information

Chemical Name:7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde
CAS No.:1610520-45-0
Molecular Formula:C₁₇H₁₅NO₄S
Molecular Weight:329.376
Hs Code.:

Synonyms:7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

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Chemical Property of 7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

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Technology Process of 7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

There total 4 articles about 7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde 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: 62.0%

: 1610520-29-0
7-bromo-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

: 122775-35-3
3,4-Dimethoxyphenylboronic acid

: 1610520-45-0
7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; potassium carbonate; In 1,2-dimethoxyethane; water; at 120 ℃; for 0.5h; Microwave irradiation;
DOI:10.1021/acs.jmedchem.5b00256

Reference yield:

: 28948-60-9
2-bromothieno[3,2-c]pyridin-4(5H)-one

: 1610520-45-0
7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

Guidance literature:: Multi-step reaction with 4 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 2.5 h / -78 - -60 °C / Inert atmosphere

1.2: 1 h / -60 - 20 °C / Inert atmosphere

2.1: N-Bromosuccinimide / tetrahydrofuran / 24 h / 20 °C

3.1: caesium carbonate / tetrahydrofuran / 0.33 h / 20 °C

3.2: 20 °C

4.1: potassium carbonate; bis-triphenylphosphine-palladium(II) chloride / water; 1,2-dimethoxyethane / 0.5 h / 120 °C / Microwave irradiation

With bis-triphenylphosphine-palladium(II) chloride; N-Bromosuccinimide; n-butyllithium; potassium carbonate; caesium carbonate; In tetrahydrofuran; 1,2-dimethoxyethane; hexane; water;

Reference yield:

: 1610520-28-9
7-bromo-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

: 1610520-45-0
7-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1.1: caesium carbonate / tetrahydrofuran / 0.33 h / 20 °C

1.2: 20 °C

2.1: potassium carbonate; bis-triphenylphosphine-palladium(II) chloride / water; 1,2-dimethoxyethane / 0.5 h / 120 °C / Microwave irradiation

With bis-triphenylphosphine-palladium(II) chloride; potassium carbonate; caesium carbonate; In tetrahydrofuran; 1,2-dimethoxyethane; water;