4-methylbenzoylethenesulfonylacetic acid methyl ester

Base Information

• Chemical Name: 4-methylbenzoylethenesulfonylacetic acid methyl ester
• CAS No.: 1052242-24-6
• Molecular Formula: C₁₃H₁₄O₅S
• Molecular Weight: 282.317

Synonyms:4-methylbenzoylethenesulfonylacetic acid methyl ester

Chemical Property of 4-methylbenzoylethenesulfonylacetic acid methyl ester

Chemical Property:

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Technology Process of 4-methylbenzoylethenesulfonylacetic acid methyl ester

There total 1 articles about 4-methylbenzoylethenesulfonylacetic 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: 89.0%

methanol (67-56-1) + 4-methylbenzoylethenesulfonylacetic acid (1052242-17-7) → 4-methylbenzoylethenesulfonylacetic acid methyl ester (1052242-24-6)

Guidance literature:

With sulfuric acid; Reflux;

DOI:10.1248/cpb.56.815

Reference yield: 71.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + 4-methylbenzoylethenesulfonylacetic acid methyl ester (1052242-24-6) → (3-(4-methylbenzoyl)-4,5-dihydro-1H-pyrazole-4-sulfonyl)-acetic acid methyl ester (1052242-50-8)

Guidance literature:

With triethylamine; In diethyl ether; dichloromethane; at -20 - -15 ℃; regiospecific reaction;

DOI:10.1248/cpb.56.815

Reference yield: 69.0%

4-methylbenzoylethenesulfonylacetic acid methyl ester (1052242-24-6) → (3-(4-methylphenyl)-4,5-dihydro-1H-pyrazole-5-sulfonyl)-acetic acid methyl ester (1052242-42-8) + 1,1-dioxo-6-(4-methylphenacyl)-[1,4,5]thiadiazinan-3-one (1052242-34-8)

Guidance literature:

With hydrazine hydrate; In methanol; Reflux;

DOI:10.1248/cpb.56.815

upstream raw materials:

methanol

4-methylbenzoylethenesulfonylacetic acid

Downstream raw materials:

(3-(4-methylbenzoyl)-4,5-dihydro-1H-pyrazole-4-sulfonyl)-acetic acid methyl ester

(3-(4-methylphenyl)-4,5-dihydro-1H-pyrazole-5-sulfonyl)-acetic acid methyl ester

1,1-dioxo-6-(4-methylphenacyl)-[1,4,5]thiadiazinan-3-one

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