4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline

Base Information

• Chemical Name: 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline
• CAS No.: 87880-55-5
• Molecular Formula: C₂₀H₂₃N₃O₅S
• Molecular Weight: 417.486

Synonyms:4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline

Chemical Property of 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline

Chemical Property:

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Technology Process of 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline

There total 6 articles about 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ²-1,3,4-thiadiazoline 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: 70.0%

N-{2-[5-(3,4-Dimethoxy-phenyl)-2,3-dihydro-[1,3,4]thiadiazol-2-yl]-4,5-dimethoxy-phenyl}-acetamide (87895-90-7) → 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ2-1,3,4-thiadiazoline (87880-55-5)

Guidance literature:

With perchloric acid; acetic anhydride; In dichloromethane; at 0 ℃; for 0.5h;

DOI:10.1039/P19830002011

Reference yield: 61.0%

4-acetyl-2-(3,4-dimethoxyphenyl)-5-(4,5-dimethoxy-2-nitrophenyl)-Δ2-1,3,4-thiadiazoline (87880-54-4) → 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ2-1,3,4-thiadiazoline (87880-55-5)

Guidance literature:

With sodium dithionite; In ethanol; water; for 0.25h; Ambient temperature;

DOI:10.1039/P19830002011

Reference yield:

6-nitroveratraldehyde (20357-25-9) → 4-acetyl-5-(2-amino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyl)-Δ2-1,3,4-thiadiazoline (87880-55-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 50 percent / 8percent Pd-on-charcoal / acetic acid / Ambient temperature

2: 84 percent / ethanol / Heating

3: 70 percent / 70percent aq. HClO₄, acetic anhydride / CH₂Cl₂ / 0.5 h / 0 °C

With perchloric acid; acetic anhydride; palladium on activated charcoal; In ethanol; dichloromethane; acetic acid;

DOI:10.1039/P19830002011

upstream raw materials:

4-acetyl-2-(3,4-dimethoxyphenyl)-5-(4,5-dimethoxy-2-nitrophenyl)-Δ²-1,3,4-thiadiazoline

N-{2-[5-(3,4-Dimethoxy-phenyl)-2,3-dihydro-[1,3,4]thiadiazol-2-yl]-4,5-dimethoxy-phenyl}-acetamide

2-acetylamino-4,5-dimethoxybenzaldehyde

3,4-dimethoxy(thiobenzohydrazide)

Downstream raw materials:

4-acetyl-5-(2-acetylamino-4,5-dimethoxyphenyl)-2-(3,4-dimethoxyphenyl)-Δ²-1,3,4-thiadiazoline

2-(3,4-Dimethoxy-phenyl)-7,8-dimethoxy-4-methyl-9bH-1-thia-3,3a,5-triaza-cyclopenta[a]naphthalene; compound with perchloric acid

2-(3,4-dimethoxyphenyl)-8,9-dimethoxy-5-methyl-10bH-<1,3,4>thiadiazolo<3,2-c>quinazoline

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