Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester

Base Information

• Chemical Name: Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester
• CAS No.: 154912-82-0
• Molecular Formula: C₃₇H₅₄O₇Si
• Molecular Weight: 638.917

Synonyms:Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester

Chemical Property of Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester

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Technology Process of Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester

There total 3 articles about Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl 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:

Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-4-hydroxy-1-methyl-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester → Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester (154912-82-0)

Guidance literature:

With Dess-Martin periodane; In dichloromethane; at 25 ℃; for 0.5h; Yield given;

DOI:10.1016/S0040-4039(00)61619-2

Reference yield:

chlorodiethylisopropylsilane (107149-56-4) → Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester (154912-82-0)

Guidance literature:

Multi-step reaction with 3 steps

1: imidazole, DMAP / dimethylformamide / 16 h / 25 °C

2: DDQ / H₂O; CH₂Cl₂ / 0.05 h / 25 °C

3: Dess-Martin periodinane / CH₂Cl₂ / 0.5 h / 25 °C

With 1H-imidazole; dmap; Dess-Martin periodane; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(00)61619-2

Reference yield:

Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-4-(4-methoxy-benzyloxy)-1-methyl-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester → Benzoic acid (2S,3R,4R,6R)-2-((S)-2-benzyloxy-1-methyl-ethyl)-6-[(1S,2S)-2-(diethyl-isopropyl-silanyloxy)-1-methyl-4-oxo-butyl]-2-methoxy-3-methyl-5-methylene-tetrahydro-pyran-4-yl ester (154912-82-0)

Guidance literature:

Multi-step reaction with 2 steps

1: DDQ / H₂O; CH₂Cl₂ / 0.05 h / 25 °C

2: Dess-Martin periodinane / CH₂Cl₂ / 0.5 h / 25 °C

With Dess-Martin periodane; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water;

DOI:10.1016/S0040-4039(00)61619-2

upstream raw materials:

chlorodiethylisopropylsilane

Downstream raw materials:

C₅₉H₈₄O₁₂Si

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