4H-1-Benzopyran-4-one, 3-hydroxy-6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-meth ylethoxy)-7-(phenylmethoxy)-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 3-hydroxy-6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-meth ylethoxy)-7-(phenylmethoxy)-
CAS No.:188927-40-4
Molecular Formula:C34H32O8
Molecular Weight:568.623
Hs Code.:

Synonyms:

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Chemical Property of 4H-1-Benzopyran-4-one, 3-hydroxy-6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-meth ylethoxy)-7-(phenylmethoxy)-

Chemical Property:

Purity/Quality:

Safty Information:

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Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzopyran-4-one, 3-hydroxy-6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-meth ylethoxy)-7-(phenylmethoxy)-

There total 9 articles about 4H-1-Benzopyran-4-one, 3-hydroxy-6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-meth ylethoxy)-7-(phenylmethoxy)- 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: 74.0%

: 188927-50-6
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-isopropoxy-6-methoxy-chromen-4-one

: 188927-40-4
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-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

: 188927-40-4
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-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: 92 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

7: 74 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

: 188927-40-4
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-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: 92 percent / conc. H₂SO₄, acetic acid / 1 h / 50 °C

6: 74 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