[(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester

Base Information

• Chemical Name: [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester
• CAS No.: 131581-62-9
• Molecular Formula: C₁₇H₁₅BrN₂O₄S
• Molecular Weight: 423.287

Synonyms:[(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester

Chemical Property of [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester

Chemical Property:

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Technology Process of [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester

There total 2 articles about [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl 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: 42.0%

(4-bromophenyl)diazonium chloride (2028-85-5) + (Z)-styrylsulfonylacetic acid methyl ester (131581-54-9) → [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester (131581-62-9)

Guidance literature:

With pyridine; In water; for 1h;

DOI:10.3987/COM-90-5453

Reference yield:

(Z)-β-styrylsulfonylacetic acid (92207-24-4,102154-41-6) → [(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester (131581-62-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 52 percent / conc. sulfuric acid / 15 h / Heating

2: 42 percent / pyridine / H₂O / 1 h

With pyridine; sulfuric acid; In water;

DOI:10.3987/COM-90-5453

Reference yield: 70.0%

[(4-Bromo-phenyl)-hydrazono]-((Z)-2-phenyl-ethenesulfonyl)-acetic acid methyl ester (131581-62-9) → 4-(4-Bromo-phenyl)-1,1-dioxo-5-phenyl-1,4,5,6-tetrahydro-1λ6-[1,3,4]thiadiazine-2-carboxylic acid methyl ester (131581-70-9)

Guidance literature:

With triethylamine; In methanol; Heating;

DOI:10.3987/COM-90-5453

upstream raw materials:

(4-bromophenyl)diazonium chloride

(Z)-styrylsulfonylacetic acid methyl ester

(Z)-β-styrylsulfonylacetic acid

Downstream raw materials:

4-(4-Bromo-phenyl)-1,1-dioxo-5-phenyl-1,4,5,6-tetrahydro-1λ⁶-[1,3,4]thiadiazine-2-carboxylic acid methyl ester

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