2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester

Base Information

• Chemical Name: 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester
• CAS No.: 111677-49-7
• Molecular Formula: C₂₁H₁₉NO₂S₃
• Molecular Weight: 413.585

Synonyms:2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester

Chemical Property of 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester

Chemical Property:

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Technology Process of 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester

There total 2 articles about 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ⁶-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic 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: 90.0%

2-[(Ξ)-benzylidene-1,1-dioxo-1λ6-benzo[b]thiophen-3-one (25625-01-8) + 3-oxo-dithiobutyric acid ethyl ester (17649-82-0) → 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ6-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester (111677-49-7)

Guidance literature:

With ammonium acetate; In acetic acid; for 0.166667h; Heating;

DOI:10.1007/BF00471815

Reference yield: 56.0%

2-[(Ξ)-benzylidene-1,1-dioxo-1λ6-benzo[b]thiophen-3-one (25625-01-8) + Ethyl β-Aminodithiocrotonate (103848-36-8) → 2-Methyl-5,5-dioxo-4-phenyl-4,5-dihydro-1H-5λ6-benzo[4,5]thieno[3,2-b]pyridine-3-carbodithioic acid ethyl ester (111677-49-7)

Guidance literature:

In acetic acid; for 0.5h; Heating;

DOI:10.1007/BF00471815

upstream raw materials:

2-[(Ξ)-benzylidene-1,1-dioxo-1λ⁶-benzo[b]thiophen-3-one

3-oxo-dithiobutyric acid ethyl ester

Ethyl β-Aminodithiocrotonate

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