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

Base Information

Chemical Name:7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-hydroxy-5-isopropoxy-6-methoxy-chromen-4-one
CAS No.:188927-41-5
Molecular Formula:C₄₀H₃₆O₈
Molecular Weight:644.721
Hs Code.:

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

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

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

There total 9 articles about 7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-hydroxy-5-isopropoxy-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: 70.0%

: 188927-51-7
7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-5-isopropoxy-6-methoxy-chromen-4-one

: 188927-41-5
7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-hydroxy-5-isopropoxy-6-methoxy-chromen-4-one

Guidance literature:: With 3,3-dimethyldioxirane; In acetone; at 0 ℃;
DOI:10.1248/cpb.45.446

Reference yield:

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

: 188927-41-5
7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-hydroxy-5-isopropoxy-6-methoxy-chromen-4-one

Guidance literature:: Multi-step reaction with 7 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: 97 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

7: 70 percent / dimethyldioxirane / acetone / 0 °C

With pyridine; hydrogenchloride; potassium hydroxide; aluminum tri-bromide; sulfuric acid; 3,3-dimethyldioxirane; potassium carbonate; acetic acid; potassium iodide; sodium iodide; In pyridine; 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

: 188927-41-5
7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-hydroxy-5-isopropoxy-6-methoxy-chromen-4-one

Guidance literature:: Multi-step reaction with 6 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: 97 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

6: 70 percent / dimethyldioxirane / acetone / 0 °C

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