(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol

Base Information

• Chemical Name: (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol
• CAS No.: 138566-36-6
• Molecular Formula: C₆₉H₇₂O₁₃
• Molecular Weight: 1109.32
• Mol file: 138566-36-6.mol

Synonyms:

Chemical Property of (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol

There total 8 articles about (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol 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: 91.0%

4,4'-dimethoxytrityl chloride (40615-36-9) + (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3-ol (138566-34-4) → (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol (138566-36-6)

Guidance literature:

With pyridine;

DOI:10.1016/0040-4039(91)80242-X

Reference yield:

3,4,6-tri-O-benzyl-1,2-O-(methoxyethylidene)-β-D-mannopyranose (16697-49-7) → (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol (138566-36-6)

Guidance literature:

Multi-step reaction with 5 steps

1: 96 percent / trimethylsilyl trifluoromethanesulfonate / 1,2-dichloro-ethane

2: NaOMe / methanol; CH₂Cl₂

3: 95 percent / N-iodosuccinimide, trifluoromethanesulfonic acid / 1,2-dichloro-ethane; diethyl ether / 0 °C

4: 90 percent / NaOMe / methanol; CH₂Cl₂

5: 91 percent / pyridine

With pyridine; N-iodo-succinimide; trifluorormethanesulfonic acid; trimethylsilyl trifluoromethanesulfonate; sodium methylate; In methanol; diethyl ether; dichloromethane; 1,2-dichloro-ethane;

DOI:10.1016/0040-4039(91)80242-X

Reference yield:

methyl 2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranoside (20672-69-9) → (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-ol (138566-36-6)

Guidance literature:

Multi-step reaction with 4 steps

1: NaOMe / methanol; CH₂Cl₂

2: 95 percent / N-iodosuccinimide, trifluoromethanesulfonic acid / 1,2-dichloro-ethane; diethyl ether / 0 °C

3: 90 percent / NaOMe / methanol; CH₂Cl₂

4: 91 percent / pyridine

With pyridine; N-iodo-succinimide; trifluorormethanesulfonic acid; sodium methylate; In methanol; diethyl ether; dichloromethane; 1,2-dichloro-ethane;

DOI:10.1016/0040-4039(91)80242-X

upstream raw materials:

4,4'-dimethoxytrityl chloride

(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-2-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3-ol

methyl 2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranoside

3,4,6-tri-O-benzyl-1,2-O-(methoxyethylidene)-β-D-mannopyranose

Downstream raw materials:

Diisopropyl-phosphoramidous acid benzyl ester (2R,3R,4S,5S,6R)-3,4,5-tris-benzyloxy-6-((2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-2-ylmethyl ester