4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester

Base Information

• Chemical Name: 4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester
• CAS No.: 86978-01-0
• Molecular Formula: C₂₂H₂₄O₆
• Molecular Weight: 384.429
• Mol file: 86978-01-0.mol

Synonyms:4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester

Chemical Property of 4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester

There total 1 articles about 4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl 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:

8-Acetyl-7-hydroxy-5-methoxy-3,4-dihydro-2,2-dimethyl-2H-<1>benzopyran (4655-89-4) + 4-methoxy-benzoyl chloride (100-07-2) → 4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester (86978-01-0)

Guidance literature:

With pyridine; for 1h; Yield given; Heating;

Reference yield: 75.0%

4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester (86978-01-0) → 1-(7-Hydroxy-5-methoxy-2,2-dimethyl-chroman-8-yl)-3-(4-methoxy-phenyl)-propane-1,3-dione (86978-02-1)

Guidance literature:

With potassium hydroxide; In pyridine; at 60 ℃; for 3h;

Reference yield:

4-Methoxy-benzoic acid 8-acetyl-5-methoxy-2,2-dimethyl-chroman-7-yl ester (86978-01-0) → 5-methoxy-8-(4-methoxy-phenyl)-2,2-dimethyl-3,4-dihydro-2H-pyrano[2,3-f]chromen-10-one (68634-30-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / KOH / pyridine / 3 h / 60 °C

2: 70 percent / NaOAc, glacial AcOH / 4 h / Heating

With potassium hydroxide; sodium acetate; acetic acid; In pyridine;

upstream raw materials:

8-Acetyl-7-hydroxy-5-methoxy-3,4-dihydro-2,2-dimethyl-2H-<1>benzopyran

4-methoxy-benzoyl chloride

Downstream raw materials:

1-(7-Hydroxy-5-methoxy-2,2-dimethyl-chroman-8-yl)-3-(4-methoxy-phenyl)-propane-1,3-dione

5-methoxy-8-(4-methoxy-phenyl)-2,2-dimethyl-3,4-dihydro-2H-pyrano[2,3-f]chromen-10-one