3',4',7-trihydroxyflavylium chloride

Base Information

• Chemical Name: 3',4',7-trihydroxyflavylium chloride
• CAS No.: 18393-49-2
• Molecular Formula: C₁₅H₁₁O₄*Cl
• Molecular Weight: 290.703

Synonyms:3',4',7-trihydroxyflavylium chloride

Chemical Property of 3',4',7-trihydroxyflavylium chloride

Chemical Property:

Purity/Quality:

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Technology Process of 3',4',7-trihydroxyflavylium chloride

There total 3 articles about 3',4',7-trihydroxyflavylium chloride 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: 75.0%

1-(3,4-dihydroxyphenyl)ethan-1-one (1197-09-7) + 2,4-Dihydroxybenzaldehyde (95-01-2) → 3',4',7-trihydroxyflavylium chloride (18393-49-2)

Guidance literature:

With hydrogenchloride; In ethyl acetate; at 0 ℃; for 1.5h;

DOI:10.1002/hlca.19970800206

Reference yield:

2-(3,4-Dihydroxy-phenyl)-2H-chromene-2,7-diol → 3',4',7-trihydroxyflavylium chloride (18393-49-2)

Guidance literature:

In water; at 25 ℃; Equilibrium constant;

DOI:10.1039/a603851d

Reference yield:

3,4-diacetoxyacetophenone (72712-21-1) + ethyl acetate (141-78-6) + 2,4-Dihydroxybenzaldehyde (95-01-2) → 3',4',7-trihydroxyflavylium chloride (18393-49-2)

Guidance literature:

unter Einleiten von HCl;

upstream raw materials:

3,4-diacetoxyacetophenone

ethyl acetate

2,4-Dihydroxybenzaldehyde

1-(3,4-dihydroxyphenyl)ethan-1-one

Downstream raw materials:

7-Acetoxy-2-(3,4-diacetoxy-phenyl)-chroman

2,4-bis(acetyloxy)benzoic acid

3,4-Diacetoxy-benzoesaeure

2',3,4,4'-tetrahydroxychalcone

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