7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

Base Information

Chemical Name:7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one
CAS No.:188927-60-8
Molecular Formula:C₃₁H₂₆O₈
Molecular Weight:526.543
Hs Code.:

Synonyms:7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

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Chemical Property of 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

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Technology Process of 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

There total 12 articles about 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-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: 88.0%

: 188927-45-9
Toluene-4-sulfonic acid 7-benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-hydroxy-6-methoxy-4-oxo-4H-chromen-3-yl ester

: 188927-60-8
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

Guidance literature:: With potassium carbonate; In methanol; for 1.5h; Heating;
DOI:10.1248/cpb.45.446

Reference yield:

: 3162-51-4
1-(2,4-Bis-benzyloxy-3,6-dimethoxy-phenyl)-ethanone

: 188927-60-8
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

Guidance literature:: Multi-step reaction with 10 steps

1: 100 percent / conc. HCl, acetic acid / 1 h / Ambient temperature

2: 83 percent / K₂CO₃, KI / acetone; dimethylformamide / Heating

3: 75 percent / AlBr₃, NaI / acetonitrile / 0.25 h / 0 °C

4: pyridine / 2 h / 70 - 80 °C

5: KOH / pyridine / 80 °C

6: 92 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

7: 74 percent / dimethyldioxirane / acetone / 0 °C

8: 85 percent / K₂CO₃ / acetone / Heating

9: 83 percent / AlCl₃ / acetonitrile / 0.5 h / Ambient temperature

10: 88 percent / K₂CO₃ / methanol / 1.5 h / Heating

With pyridine; hydrogenchloride; potassium hydroxide; aluminium trichloride; aluminum tri-bromide; sulfuric acid; 3,3-dimethyldioxirane; potassium carbonate; acetic acid; potassium iodide; sodium iodide; In pyridine; methanol; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1248/cpb.45.446

Reference yield:

: 3162-52-5
1-(4-benzyloxy-2-hydroxy-3,6-dimethoxy-phenyl)-ethanone

: 188927-60-8
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one

Guidance literature:: Multi-step reaction with 9 steps

1: 83 percent / K₂CO₃, KI / acetone; dimethylformamide / Heating

2: 75 percent / AlBr₃, NaI / acetonitrile / 0.25 h / 0 °C

3: pyridine / 2 h / 70 - 80 °C

4: KOH / pyridine / 80 °C

5: 92 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

6: 74 percent / dimethyldioxirane / acetone / 0 °C

7: 85 percent / K₂CO₃ / acetone / Heating

8: 83 percent / AlCl₃ / acetonitrile / 0.5 h / Ambient temperature

9: 88 percent / K₂CO₃ / methanol / 1.5 h / Heating

With pyridine; potassium hydroxide; aluminium trichloride; aluminum tri-bromide; sulfuric acid; 3,3-dimethyldioxirane; potassium carbonate; acetic acid; potassium iodide; sodium iodide; In pyridine; methanol; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1248/cpb.45.446