[4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester

Base Information

• Chemical Name: [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester
• CAS No.: 155186-49-5
• Molecular Formula: C₂₄H₂₂N₄O₅S₂
• Molecular Weight: 510.594

Synonyms:[4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester

Chemical Property of [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester

Chemical Property:

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Technology Process of [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester

There total 2 articles about [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ⁶-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic 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: 62.0%

3-Bromo-4-(4-methoxy-phenyl)-4-oxo-butyric acid ethyl ester (54029-01-5) + 1,4-dihydro-3-methyl-1-thiocarbamoylpyrazolo<4,3-c><1,2>benzothiazine 5,5-dioxide (155186-41-7) → [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ6-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester (155186-49-5)

Guidance literature:

In ethanol; for 4h; Heating;

DOI:10.1246/bcsj.66.3843

Reference yield:

3-acetyl-2,3-dihydro-4H-1,2-benzothiazin-4-one 1,1-dioxide (1698-79-9) → [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ6-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester (155186-49-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 61 percent / conc. aq. HCl / ethanol / 6 h / Heating

2: 62 percent / ethanol / 4 h / Heating

With hydrogenchloride; In ethanol;

DOI:10.1246/bcsj.66.3843

Reference yield: 93.0%

[4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ6-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid ethyl ester (155186-49-5) → [4-(4-Methoxy-phenyl)-2-(3-methyl-5,5-dioxo-4,5-dihydro-5λ6-thia-1,2,4-triaza-cyclopenta[a]naphthalen-1-yl)-thiazol-5-yl]-acetic acid

Guidance literature:

With potassium hydroxide; In methanol; for 1h; Heating;

DOI:10.1246/bcsj.66.3843

upstream raw materials:

3-Bromo-4-(4-methoxy-phenyl)-4-oxo-butyric acid ethyl ester

1,4-dihydro-3-methyl-1-thiocarbamoylpyrazolo<4,3-c><1,2>benzothiazine 5,5-dioxide

3-acetyl-2,3-dihydro-4H-1,2-benzothiazin-4-one 1,1-dioxide

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