4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-5-hydroxy-7,8-dimethoxy-3-[[(4-methyl phenyl)sulfonyl]oxy]-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-5-hydroxy-7,8-dimethoxy-3-[[(4-methyl phenyl)sulfonyl]oxy]-
CAS No.:116512-13-1
Molecular Formula:C₃₈H₃₂O₁₀S
Molecular Weight:680.732
Hs Code.:
Mol file:116512-13-1.mol

Synonyms:

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Chemical Property of 4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-5-hydroxy-7,8-dimethoxy-3-[[(4-methyl phenyl)sulfonyl]oxy]-

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Technology Process of 4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-5-hydroxy-7,8-dimethoxy-3-[[(4-methyl phenyl)sulfonyl]oxy]-

There total 8 articles about 4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-5-hydroxy-7,8-dimethoxy-3-[[(4-methyl phenyl)sulfonyl]oxy]- 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:

: 116512-08-4
3',4'-bis(benzyloxy)-5,7,8-trimethoxy-3-tosyloxyflavone

: 116512-13-1
Toluene-4-sulfonic acid 2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-7,8-dimethoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: With aluminum tri-bromide; In acetonitrile; at 40 ℃; for 1h;

Reference yield:

: 7507-98-4
1-(2-hydroxy-3,4,6-trimethoxyphenyl)ethanone

: 116512-13-1
Toluene-4-sulfonic acid 2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-7,8-dimethoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: Multi-step reaction with 8 steps

1: CHCl₃; ethyl acetate

2: cupric bromide / 2.5 h / 40 - 50 °C

3: 52 percent / dimethylformamide / 2 h / 150 - 160 °C

4: 90 percent / aluminum chloride / acetonitrile / 2 h / 60 °C

5: potassium 3,4-bis(benzyloxy)benzoate / 8 h / 160 - 170 °C

6: sodium methoxide / methanol; pyridine / 0.17 h / 60 °C

7: 88 percent / potassium carbonate / acetone

8: aluminum bromide / acetonitrile / 1 h / 40 °C

With aluminium trichloride; aluminum tri-bromide; potassium-<3,4-bis-benzyloxy benzoate>; sodium methylate; potassium carbonate; copper(ll) bromide; In pyridine; methanol; chloroform; ethyl acetate; N,N-dimethyl-formamide; acetone; acetonitrile;

Reference yield:

: 7508-05-6
1-(2,3,4,6-tetramethoxyphenyl)ethanone

: 116512-13-1
Toluene-4-sulfonic acid 2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-7,8-dimethoxy-4-oxo-4H-chromen-3-yl ester

Guidance literature:: Multi-step reaction with 7 steps

1: cupric bromide / 2.5 h / 40 - 50 °C

2: 52 percent / dimethylformamide / 2 h / 150 - 160 °C

3: 90 percent / aluminum chloride / acetonitrile / 2 h / 60 °C

4: potassium 3,4-bis(benzyloxy)benzoate / 8 h / 160 - 170 °C

5: sodium methoxide / methanol; pyridine / 0.17 h / 60 °C

6: 88 percent / potassium carbonate / acetone

7: aluminum bromide / acetonitrile / 1 h / 40 °C

With aluminium trichloride; aluminum tri-bromide; potassium-<3,4-bis-benzyloxy benzoate>; sodium methylate; potassium carbonate; copper(ll) bromide; In pyridine; methanol; N,N-dimethyl-formamide; acetone; acetonitrile;