2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

Base Information

Chemical Name:2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one
CAS No.:381686-08-4
Molecular Formula:C₇₁H₆₄O₁₁
Molecular Weight:1093.28
Hs Code.:

Synonyms:2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

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Chemical Property of 2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

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Technology Process of 2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

There total 7 articles about 2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-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: 85.0%

: 77-78-1
dimethyl sulfate

: 381686-07-3
2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-hydroxy-4H-1-benzopyran-4-one

: 381686-08-4
2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

Guidance literature:: With potassium carbonate; In acetone; for 12h; Heating;
DOI:10.1016/S0008-6215(01)00192-6

Reference yield:

: 39548-86-2
1‐(2‐(benzyloxy)‐4,6‐dihydroxyphenyl)ethan‐1‐one

: 381686-08-4
2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 5 steps

1: 89 percent / K₂CO₃ / dimethylformamide / 0 - 25 °C

2: 96 percent / BF₃*Et₂O; 4 Angstroem molecular sieves / CH₂Cl₂ / -78 - 20 °C

3: 84 percent / dioxane; aq. NaOH / 24 h / 20 °C

4: 84 percent / I₂ / dimethylsulfoxide / 0.5 h / Heating

5: 85 percent / K₂CO₃ / acetone / 12 h / Heating

With 4 A molecular sieve; boron trifluoride diethyl etherate; iodine; potassium carbonate; In 1,4-dioxane; sodium hydroxide; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; acetone;
DOI:10.1016/S0008-6215(01)00192-6

Reference yield:

: 18065-05-9
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone

: 381686-08-4
2-(3,4-bis-benzyloxyphenyl)-7-benzyloxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-5-methoxy-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 4 steps

1: 96 percent / BF₃*Et₂O; 4 Angstroem molecular sieves / CH₂Cl₂ / -78 - 20 °C

2: 84 percent / dioxane; aq. NaOH / 24 h / 20 °C

3: 84 percent / I₂ / dimethylsulfoxide / 0.5 h / Heating

4: 85 percent / K₂CO₃ / acetone / 12 h / Heating

With 4 A molecular sieve; boron trifluoride diethyl etherate; iodine; potassium carbonate; In 1,4-dioxane; sodium hydroxide; dichloromethane; dimethyl sulfoxide; acetone;
DOI:10.1016/S0008-6215(01)00192-6