Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester

Base Information

• Chemical Name: Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester
• CAS No.: 128373-93-3
• Molecular Formula: C₁₈H₁₆O₇
• Molecular Weight: 344.321

Synonyms:Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester

Chemical Property of Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester

Chemical Property:

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Technology Process of Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester

There total 3 articles about Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-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: 78.0%

(S)-2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-benzopyrone (520-33-2,41001-90-5,69097-99-0) + acetyl chloride (75-36-5) → Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester (128373-93-3) + Acetic acid 5-(5,7-dihydroxy-4-oxo-chroman-2-yl)-2-methoxy-phenyl ester (128373-92-2)

Guidance literature:

With triethylamine; at 0 ℃;

DOI:10.1016/S0960-894X(03)00574-2

Reference yield: 45.96%

acetyl chloride (75-36-5) + hesperetin (520-33-2,41001-90-5,69097-99-0) → 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-oxochroman-7-yl acetate (128373-93-3)

Guidance literature:

With triethylamine; In acetone; at 0 - 5 ℃;

DOI:10.1016/j.bmcl.2012.09.049

Reference yield:

(S)-2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-benzopyrone (520-33-2,41001-90-5,69097-99-0) + acetic anhydride (108-24-7) → Acetic acid 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-4-oxo-chroman-7-yl ester (128373-93-3)

Guidance literature:

In pyridine;

DOI:10.1016/S0040-4039(01)93420-3

upstream raw materials:

(S)-2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-benzopyrone

acetic anhydride

acetyl chloride

hesperetin

Downstream raw materials:

Acetic acid 3,5-dihydroxy-4-[3-(3-hydroxy-4-methoxy-phenyl)-propyl]-phenyl ester

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