[(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester

Base Information

• Chemical Name: [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester
• CAS No.: 251323-92-9
• Molecular Formula: C₁₉H₂₇N₃O₈
• Molecular Weight: 425.439
• Mol file: 251323-92-9.mol

Synonyms:[(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester

Chemical Property of [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester

There total 6 articles about [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl 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: 70.0%

bromoacetic acid methyl ester (96-32-2) + (2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-ol (251323-91-8) → [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester (251323-92-9)

Guidance literature:

With potassium iodide; silver(l) oxide; In N,N-dimethyl-formamide; for 4h;

DOI:10.1016/S0960-894X(03)00384-6

Reference yield:

Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-4-azido-6-bromo-tetrahydro-pyran-3-yl ester (132470-43-0) → [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester (251323-92-9)

Guidance literature:

Multi-step reaction with 6 steps

1: Ag₂O; CaSO₄ / CH₂Cl₂ / 1 h

2: MeONa; MeOH / 4 h

3: 68 percent / p-toluenesulfonic acid monohydrate / dimethylformamide / 4 h

4: 95 percent / NaH / dimethylformamide / 1 h

5: 63 percent / NaBH₃CN; TFA; 3 Angstroem molecular sieves / dimethylformamide / 48 h

6: 70 percent / Ag₂O; KI / dimethylformamide / 4 h

With methanol; calcium sulfate; 3 A molecular sieve; sodium methylate; sodium hydride; sodium cyanoborohydride; toluene-4-sulfonic acid; trifluoroacetic acid; potassium iodide; silver(l) oxide; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0960-894X(03)00384-6

Reference yield:

Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-4-azido-6-methoxy-tetrahydro-pyran-3-yl ester (132470-44-1) → [(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-yloxy]-acetic acid methyl ester (251323-92-9)

Guidance literature:

Multi-step reaction with 5 steps

1: MeONa; MeOH / 4 h

2: 68 percent / p-toluenesulfonic acid monohydrate / dimethylformamide / 4 h

3: 95 percent / NaH / dimethylformamide / 1 h

4: 63 percent / NaBH₃CN; TFA; 3 Angstroem molecular sieves / dimethylformamide / 48 h

5: 70 percent / Ag₂O; KI / dimethylformamide / 4 h

With methanol; 3 A molecular sieve; sodium methylate; sodium hydride; sodium cyanoborohydride; toluene-4-sulfonic acid; trifluoroacetic acid; potassium iodide; silver(l) oxide; In N,N-dimethyl-formamide;

DOI:10.1016/S0960-894X(03)00384-6

upstream raw materials:

bromoacetic acid methyl ester

(2R,3S,4S,5R,6R)-4-Azido-5,6-dimethoxy-2-(4-methoxy-benzyloxymethyl)-tetrahydro-pyran-3-ol

methyl 3-azido-3-deoxy-β-D-glucopyranoside

Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-4-azido-6-bromo-tetrahydro-pyran-3-yl ester