7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran

Base Information

• Chemical Name: 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran
• CAS No.: 143885-63-6
• Molecular Formula: C₂₂H₂₄O₅
• Molecular Weight: 368.43

Synonyms:7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran

Chemical Property of 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran

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Technology Process of 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran

There total 7 articles about 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran 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: 95.0%

(C5H9)(C15H9O3)(OCH3)2 → 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran (143885-63-6)

Guidance literature:

With boron trifluoride diethyl etherate; In 1,4-dioxane; at 20 ℃;

DOI:10.1016/j.tetlet.2007.08.124

Reference yield: 90.0%

1-(7-hydroxy-2,2-dimethylchroman-6-yl)ethanone (31273-58-2) + 3,4-dimethoxy-benzaldehyde (120-14-9) → 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran (143885-63-6)

Guidance literature:

With potassium hydroxide; In ethanol; at 35 - 40 ℃; for 6h;

Reference yield: 50.0%

1-(7-hydroxy-2,2-dimethylchroman-6-yl)ethanone (31273-58-2) + 3,4-dimethoxy-benzaldehyde (120-14-9) → 7-hydroxy-6-(3',4'-dimethoxy)cinnamoyl-3,4-dihydro-2,2-dimethyl-2H-benzo(1,2b)pyran (143885-63-6) + 2-(3,4-dimethoxy-phenyl)-8,8-dimethyl-2,3,7,8-tetrahydro-6H-pyrano[3,2-g]chromen-4-one

Guidance literature:

With potassium hydroxide; In ethanol; at 20 ℃; for 60h;

upstream raw materials:

2,2-dimethylchroman-7-ol

3,4-dimethoxy-trans-cinnamic acid

1-(7-hydroxy-2,2-dimethylchroman-6-yl)ethanone

3,4-dimethoxy-benzaldehyde

Downstream raw materials:

(7-Benzyloxy-2,2-dimethyl-chroman-6-yl)-[3-(3,4-dimethoxy-phenyl)-oxiranyl]-methanone

3-(3,4-Dimethoxy-phenyl)-8,8-dimethyl-7,8-dihydro-6H-pyrano[3,2-g]chromen-4-one

3-(3,4-Dimethoxy-phenyl)-1-(7-hydroxy-2,2-dimethyl-chroman-6-yl)-propan-1-one

(E)-1-(7-Benzyloxy-2,2-dimethyl-chroman-6-yl)-3-(3,4-dimethoxy-phenyl)-propenone

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