(2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester

Base Information

• Chemical Name: (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester
• CAS No.: 192505-54-7
• Molecular Formula: C₄₂H₅₆O₁₇
• Molecular Weight: 832.896

Synonyms:

Chemical Property of (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester

Chemical Property:

Purity/Quality:

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Useful:

Technology Process of (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester

There total 5 articles about (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester 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: 14.0%

3-O-acetyl-1,6-anhydro-2-O-benzyl-β-D-glucopyranose (192505-53-6) + (2S,3S,4S,5R)-3-((2R,3S,4R,5R,6R)-6-Acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-2-carboxylic acid benzyl ester (192505-52-5) → (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester (192505-54-7) + (2S,3S,4S,5R,6S)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester

Guidance literature:

With trimethylsilyl trifluoromethanesulfonate; In acetonitrile; at -37 ℃; for 1.5h;

DOI:10.1016/S0968-0896(98)00094-7

Reference yield:

1,6:2,3-dianhydro-4-O-(tetrahydropyran-2-yl)-β-D-mannopyranose (67313-50-2) → (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester (192505-54-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 64 percent / BnOH / 0.5 h / 110 °C

2: Et₃N / CH₂Cl₂ / Ambient temperature

3: p-TsOH / methanol / 1 h / Ambient temperature

4: 74 percent / TMSOTf / acetonitrile / 1.5 h / -37 °C

With trimethylsilyl trifluoromethanesulfonate; toluene-4-sulfonic acid; triethylamine; benzyl alcohol; In methanol; dichloromethane; acetonitrile;

DOI:10.1016/S0968-0896(98)00094-7

Reference yield:

sodium phenyl-methanolate (20194-18-7) → (2S,3S,4S,5R,6R)-6-((1R,2R,3S,4R,5R)-3-Acetoxy-4-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-3-((2R,3S,4R,5R,6R)-6-acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-tetrahydro-pyran-2-carboxylic acid benzyl ester (192505-54-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 64 percent / BnOH / 0.5 h / 110 °C

2: Et₃N / CH₂Cl₂ / Ambient temperature

3: p-TsOH / methanol / 1 h / Ambient temperature

4: 74 percent / TMSOTf / acetonitrile / 1.5 h / -37 °C

With trimethylsilyl trifluoromethanesulfonate; toluene-4-sulfonic acid; triethylamine; benzyl alcohol; In methanol; dichloromethane; acetonitrile;

DOI:10.1016/S0968-0896(98)00094-7

upstream raw materials:

3-O-acetyl-1,6-anhydro-2-O-benzyl-β-D-glucopyranose

(2S,3S,4S,5R)-3-((2R,3S,4R,5R,6R)-6-Acetoxymethyl-3,4,5-trimethoxy-tetrahydro-pyran-2-ylmethyl)-4,5-dimethoxy-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-2-carboxylic acid benzyl ester

1,6:2,3-dianhydro-4-O-(tetrahydropyran-2-yl)-β-D-mannopyranose

sodium phenyl-methanolate

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