2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde

Base Information

• Chemical Name: 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde
• CAS No.: 69025-76-9
• Molecular Formula: C₂₃H₂₆O₄
• Molecular Weight: 366.457
• Mol file: 69025-76-9.mol

Synonyms:2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde

Chemical Property of 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde

There total 7 articles about 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde 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: 100.0%

5,5'-(1,2-ethenediyl)bis<2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4H-1-benzopyran-4-one> (69025-75-8) → 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde (69025-76-9)

Guidance literature:

With sodium periodate; osmium(VIII) oxide; In 1,4-dioxane; water; at 25 ℃; for 24h;

DOI:10.1002/jhet.5570270312

Reference yield: 96.0%

2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-5-(2-phenylethenyl)-4H-1-benzopyran-4-one (129657-76-7) → 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde (69025-76-9)

Guidance literature:

With sodium periodate; osmium(VIII) oxide; In 1,4-dioxane; water; at 25 ℃; for 15h;

DOI:10.1002/jhet.5570270312

Reference yield:

3-Methylbutenoic acid (541-47-9) → 2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4-oxo-2H-1-benzopyran-5-carboxaldehyde (69025-76-9)

Guidance literature:

Multi-step reaction with 3 steps

1: BF₃*Et₂O / 40 h / 25 °C

2: 100 percent / K₂CO₃ / dimethylformamide / 20 h / 85 °C

3: 96 percent / NaIO₄, OsO₄ / dioxane; H₂O / 15 h / 25 °C

With sodium periodate; osmium(VIII) oxide; boron trifluoride diethyl etherate; potassium carbonate; In 1,4-dioxane; water; N,N-dimethyl-formamide;

DOI:10.1002/jhet.5570270312

upstream raw materials:

2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-5-(2-phenylethenyl)-4H-1-benzopyran-4-one

5,5'-(1,2-ethenediyl)bis<2,3-dihydro-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4H-1-benzopyran-4-one>

3-Methylbutenoic acid

pinosylvin

Downstream raw materials:

2,3-dihydro-5-(hydroxymethyl)-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4H-1-benzopyran-4-one

7-hydroxy-5-(1-methyl-4-phenylbutoxy)phthalide

2,3-dihydro-5-(hydroxymethyl)-3-(hydroxymethylene)-2,2-dimethyl-7-(1-methyl-4-phenylbutoxy)-4H-1-benzopyran-4-one