4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

Base Information

• Chemical Name: 4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran
• CAS No.: 209324-95-8
• Molecular Formula: C₂₅H₂₆O₇
• Molecular Weight: 438.477

Synonyms:4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

Chemical Property of 4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

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Technology Process of 4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

There total 1 articles about 4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran 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:

3-Bromo-(trimethylsilyloxy)benzene (36971-28-5) + ammonium chloride + (+/-)-2,3-Dihydro-7-(methoxymethoxy)-3-<4-(methoxymethoxy)phenyl>-4H-1-benzopyran-4-on (141330-30-5) → 3-bromomagnesium phenyl trimethylsilyl ether + 4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran (209324-95-8)

Guidance literature:

With magnesium; In tetrahydrofuran;

Reference yield: 97.0%

4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran (209324-95-8) + 1-bromo-5-chloropentane (54512-75-3) → 4-[4-(5chloropentyloxy)phenyl]-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran (209324-96-9)

Guidance literature:

With sodium hydroxide; In water; acetone;

Reference yield: 35.0%

4-(4-hydroxyphenyl)-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran (209324-95-8) + 3-oxa-1,5-dichloropentane (111-44-4) → 4-hydroxy-4-{4-[2-(2-chloroethoxy)ethoxy]phenyl}-7-(methoxymethoxy)-3-[4-(methoxymethoxy)phenyl]chroman (252946-57-9)

Guidance literature:

With 18-crown-6 ether; potassium carbonate; In N,N-dimethyl-formamide; at 100 ℃; for 2.5h;

upstream raw materials:

3-Bromo-(trimethylsilyloxy)benzene

(+/-)-2,3-Dihydro-7-(methoxymethoxy)-3-<4-(methoxymethoxy)phenyl>-4H-1-benzopyran-4-on

Downstream raw materials:

4-hydroxy-4-{4-[2-(2-chloroethoxy)ethoxy]phenyl}-7-(methoxymethoxy)-3-[4-(methoxymethoxy)phenyl]chroman

4-[4-(5chloropentyloxy)phenyl]-4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

4-hydroxy-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-4-[4-(piperidinoethyloxy)phenyl]-2,3-dihydro-4H-benzopyran

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