5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

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Chemical Name:5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one
CAS No.:916069-04-0
Molecular Formula:C₄₂H₃₈O₁₀
Molecular Weight:702.758
Hs Code.:

Synonyms:5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

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Chemical Property of 5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

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Technology Process of 5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

There total 11 articles about 5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-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: 96.0%

: 916069-03-9
3-((2S,5R,6S)-5,6-dihydro-5-hydroxy-6-methyl-2H-pyran-2-yloxy)-5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4H-chromen-4-one

: 916069-04-0
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

Guidance literature:: With osmium(VIII) oxide; N-methyl-2-indolinone; In water; acetone; tert-butyl alcohol; at 0 ℃; for 3h;
DOI:10.1021/ol062076r

Reference yield:

: 865484-73-7
tert-butyl ((2S,6S)-6-methyl-5-oxo-5,6-dihydro-2H-pyran-2-yl) carbonate

: 916069-04-0
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / PPh₃ / Pd₂(dba)3*CHCl₃ / CH₂Cl₂ / 3 h / 0 °C

2: 73 percent / NaBH₄ / CH₂Cl₂; methanol / 3 h / -78 °C

3: 96 percent / OsO₄; NMO / acetone; 2-methyl-propan-2-ol; H₂O / 3 h / 0 °C

With sodium tetrahydroborate; osmium(VIII) oxide; N-methyl-2-indolinone; triphenylphosphine; tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; In methanol; dichloromethane; water; acetone; tert-butyl alcohol;
DOI:10.1021/ol062076r

Reference yield:

: 23405-70-1
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-hydroxy-4H-chromen-4-one

: 916069-04-0
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / PPh₃ / Pd₂(dba)3*CHCl₃ / CH₂Cl₂ / 3 h / 0 °C

2: 73 percent / NaBH₄ / CH₂Cl₂; methanol / 3 h / -78 °C

3: 96 percent / OsO₄; NMO / acetone; 2-methyl-propan-2-ol; H₂O / 3 h / 0 °C

With sodium tetrahydroborate; osmium(VIII) oxide; N-methyl-2-indolinone; triphenylphosphine; tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; In methanol; dichloromethane; water; acetone; tert-butyl alcohol;
DOI:10.1021/ol062076r