4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester

Base Information

• Chemical Name: 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester
• CAS No.: 250609-08-6
• Molecular Formula: C₃₃H₃₁BrO₆S₂
• Molecular Weight: 667.642

Synonyms:4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester

Chemical Property of 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester

Chemical Property:

Purity/Quality:

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Technology Process of 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester

There total 1 articles about 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl 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:

4-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid (250608-94-7) + tert-Butyl 2,2,2-trichloroacetimidate (98946-18-0) → 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester (250609-08-6)

Guidance literature:

In dichloromethane; cyclohexane; ethyl acetate;

Reference yield:

4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester (250609-08-6) + 4-methoxy-benzoyl chloride (100-07-2) → 2-(4-methoxy-benzoyl)oxy-4-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-benzoic acid tert-butyl ester (250609-66-6)

Guidance literature:

With pyridine; In dichloromethane;

Reference yield:

pyridine-4-carboxylic acid (55-22-1) + 4-[4-(9-Bromo-2,3-dimethyl-naphtho [2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid tert-butyl ester (250609-08-6) + 2-(pyrid-3-ylcarbonyl)oxy-4-[4-(2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-benzoic acid tert-butyl ester (250609-75-7) + 2-chloro-1-methyl-pyridinium iodide (14338-32-0) → 2-(pyrid-4-ylcarbonyl)oxy-4-[4-(9-bromo-2,3-dimethyl-naphtho[2, 3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-benzoic acid tert-butyl ester (250609-80-4)

Guidance literature:

With triethylamine;

upstream raw materials:

4-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-2-hydroxy-benzoic acid

tert-Butyl 2,2,2-trichloroacetimidate

Downstream raw materials:

2-(4-methoxy-benzoyl)oxy-4-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-benzoic acid tert-butyl ester

2-(pyrid-4-ylcarbonyl)oxy-4-[4-(9-bromo-2,3-dimethyl-naphtho[2, 3-b]thiophen-4-yl)-2,6-dimethyl-phenoxysulfonyl]-benzoic acid tert-butyl ester

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