4H-1-Benzopyran-4-one, 6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3 -[[(4-methylphenyl)sulfonyl]oxy]-7-(phenylmethoxy)-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3 -[[(4-methylphenyl)sulfonyl]oxy]-7-(phenylmethoxy)-
CAS No.:188927-55-1
Molecular Formula:C41H38O10S
Molecular Weight:722.813
Hs Code.:

4H-1-Benzopyran-4-one,
6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3
-[[(4-methylphenyl)sulfonyl]oxy]-7-(phenylmethoxy)-

Synonyms:

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Chemical Property of 4H-1-Benzopyran-4-one, 6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3 -[[(4-methylphenyl)sulfonyl]oxy]-7-(phenylmethoxy)-

Chemical Property:

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MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzopyran-4-one, 6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3 -[[(4-methylphenyl)sulfonyl]oxy]-7-(phenylmethoxy)-

There total 10 articles about 4H-1-Benzopyran-4-one, 6-methoxy-2-[4-methoxy-3-(phenylmethoxy)phenyl]-5-(1-methylethoxy)-3 -[[(4-methylphenyl)sulfonyl]oxy]-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: 85.0%

: 98-59-9
p-toluenesulfonyl chloride

: 188927-40-4
7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-3-hydroxy-5-isopropoxy-6-methoxy-chromen-4-one

: 188927-55-1
Toluene-4-sulfonic acid 7-benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-isopropoxy-6-methoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: With potassium carbonate; In acetone; Heating;
DOI:10.1248/cpb.45.446

Reference yield:

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

: 188927-55-1
Toluene-4-sulfonic acid 7-benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-isopropoxy-6-methoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: Multi-step reaction with 8 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

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

: 188927-55-1
Toluene-4-sulfonic acid 7-benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-isopropoxy-6-methoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: Multi-step reaction with 7 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

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