Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester

Base Information

• Chemical Name: Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester
• CAS No.: 130199-46-1
• Molecular Formula: C₅₃H₇₀O₈Si₂
• Molecular Weight: 891.305

Synonyms:Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester

Chemical Property of Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester

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Technology Process of Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester

There total 5 articles about Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-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:

Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester (130199-46-1) → Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(2S,6R)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester (130199-46-1)

Guidance literature:

With aluminum oxide; In dichloromethane; Yield given;

DOI:10.1021/ja00176a058

Reference yield:

(2S,4S,6R)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(E)-ylidene]-2-hydroxy-hept-6-enyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-ol (130199-44-9) → Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(2S,6R)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester (130199-46-1)

Guidance literature:

Multi-step reaction with 2 steps

2: Al₂O₃ (3percent H₂O) / CH₂Cl₂

With aluminum oxide; In dichloromethane;

DOI:10.1021/ja00176a058

Reference yield:

(S)-2-{(4S,6R)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-7-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(E)-ylidene]-5-hydroxy-2-methyl-dec-9-en-3-one (130199-43-8,130272-87-6) → Acetic acid (2S,4S,6R)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-{(2S,6R)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(Z)-ylidene]-6-formyl-tetrahydro-pyran-2-ylmethyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-yl ester (130199-46-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 84 percent / pyridinium p-toluenesulfonate (PPTS), MeOH

3: Al₂O₃ (3percent H₂O) / CH₂Cl₂

With methanol; aluminum oxide; pyridinium p-toluenesulfonate; In dichloromethane;

DOI:10.1021/ja00176a058

upstream raw materials:

acetic anhydride

(2S,4S,6R)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2-{(S)-4-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(E)-ylidene]-2-hydroxy-hept-6-enyl}-2-methoxy-3,3-dimethyl-tetrahydro-pyran-4-ol

(S)-2-{(4S,6R)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-7-[2-(tert-butyl-diphenyl-silanyloxy)-eth-(E)-ylidene]-5-hydroxy-2-methyl-dec-9-en-3-one

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