<(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid

Base Information

• Chemical Name: <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid
• CAS No.: 86557-21-3
• Molecular Formula: C₂₃H₂₀O₆
• Molecular Weight: 392.408

Synonyms:<(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid

Chemical Property of <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid

Chemical Property:

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Technology Process of <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid

There total 6 articles about <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid 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: 93.0%

<(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid ethyl ester (86557-19-9) → <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid (86557-21-3)

Guidance literature:

With sodium hydroxide; at 75 ℃; for 20h;

DOI:10.1016/S0040-4020(01)91891-5

Reference yield:

3-Hydroxy-4-methyl-7,8,9,10-tetrahydro-6H-dibenzopyran-6-one (55047-37-5) → <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid (86557-21-3)

Guidance literature:

Multi-step reaction with 4 steps

1: 76 percent / pyridine / 90 °C

2: 75 percent / AlCl₃ / 1.5 h / 150 °C

3: 98 percent / K₂CO₃ / acetone / 4 h / Heating

4: 93 percent / 1N NaOH / 20 h / 75 °C

With sodium hydroxide; aluminium trichloride; potassium carbonate; In pyridine; acetone;

DOI:10.1016/S0040-4020(01)91891-5

Reference yield:

2-methylbenzene-1,3-diol (608-25-3) → <(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid (86557-21-3)

Guidance literature:

Multi-step reaction with 5 steps

1: 99 percent / conc. H₂SO₄ / 2.5 h / 0 °C

2: 76 percent / pyridine / 90 °C

3: 75 percent / AlCl₃ / 1.5 h / 150 °C

4: 98 percent / K₂CO₃ / acetone / 4 h / Heating

5: 93 percent / 1N NaOH / 20 h / 75 °C

With sodium hydroxide; aluminium trichloride; sulfuric acid; potassium carbonate; In pyridine; acetone;

DOI:10.1016/S0040-4020(01)91891-5

upstream raw materials:

<(2-Benzoyl-7,8,9,10-tetrahydro-4-methyl-6-oxo-6H-dibenzopyran-3-yl)oxy>acetic acid ethyl ester

3-Hydroxy-4-methyl-7,8,9,10-tetrahydro-6H-dibenzopyran-6-one

2-methylbenzene-1,3-diol

3-(Benzoyloxy)-4-methyl-7,8,9,10-tetrahydro-6H-dibenzopyran-6-one

Downstream raw materials:

1,2,3,4-Tetrahydro-7-methyl-10-phenyl-5H-benzofuro<6,5-c><2>benzopyran-5-one

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