2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

Base Information

Chemical Name:2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one
CAS No.:346600-59-7
Molecular Formula:C₂₁H₂₀O₇
Molecular Weight:384.386
Hs Code.:

Synonyms:2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

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Chemical Property of 2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

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Technology Process of 2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

There total 10 articles about 2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one 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: 44.0%

: 346600-58-6
2-[(E)-2-(3,5-Bis-benzyloxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

: 346600-59-7
2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

Guidance literature:: With hydrogenchloride; In acetic acid; at 100 ℃; for 2h;

Reference yield:

: 14615-72-6
3,5-dibenzyloxybenzaldehyde

: 346600-59-7
2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

Guidance literature:: Multi-step reaction with 7 steps

1: 85 percent / β-alanine; pyridine / 4 h / Heating

2: 80 percent / H₂SO₄ / 6 h / Heating

3: 56 percent / LAH / tetrahydrofuran

4: 75 percent / pyridinium chlorochromate / CH₂Cl₂ / 6 h / Heating

5: 70 percent / Ba(OH)2 / ethanol / 8 h / Heating

6: 68 percent / iodine / dimethylsulfoxide / 2 h / 120 °C

7: 44 percent / HCl / acetic acid / 2 h / 100 °C

With pyridine; hydrogenchloride; barium dihydroxide; lithium aluminium tetrahydride; sulfuric acid; iodine; pyridinium chlorochromate; 3-amino propanoic acid; In tetrahydrofuran; ethanol; dichloromethane; acetic acid; dimethyl sulfoxide;

Reference yield:

: 51379-76-1
2-hydroxy-3,4,6-trimethoxypropiophenone

: 346600-59-7
2-[(E)-2-(3,5-Dihydroxy-phenyl)-vinyl]-5,7,8-trimethoxy-3-methyl-chromen-4-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: 65 percent / pyridine / 3 h / 60 - 70 °C

2.1: KOH; pyridine / 60 - 65 °C

2.2: 0.63 g / p-toluenesulphonic acid / benzene / 4 h / Heating

3.1: 44 percent / HCl / acetic acid / 2 h / 100 °C

With pyridine; hydrogenchloride; potassium hydroxide; In acetic acid;