C₅₃H₈₄O₉Si₂

Base Information

• Chemical Name: C₅₃H₈₄O₉Si₂
• CAS No.: 1431879-66-1
• Molecular Formula: C₅₃H₈₄O₉Si₂
• Molecular Weight: 921.416
• Mol file: 1431879-66-1.mol

Synonyms:C₅₃H₈₄O₉Si₂

Chemical Property of C₅₃H₈₄O₉Si₂

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₅₃H₈₄O₉Si₂

There total 31 articles about C₅₃H₈₄O₉Si₂ 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: 93.0%

(S)-2-((2S,4R,5R)-4-acetoxy-5-((R)-5-((2S,6R)-6-((E)-5-((tertbutyldiphenylsilyl)oxy)pent-1-en-1-yl)-2-methoxy-3,6-dihydro-2H-pyran-2-yl)-2-methyl-3-oxopentyl)tetrahydrofuran-2-yl)-2-((triisopropylsilyl)oxy)ethyl pivalate (1431879-84-3) → C53H84O9Si2 (1431879-66-1)

Guidance literature:

With potassium carbonate; In methanol; at 20 ℃; for 0.5h; Inert atmosphere;

DOI:10.1021/ol400487e

Reference yield:

tert-Butyl(((E)-5-((2R,6R)-6-methoxy-6-((trimethylsilyl)ethynyl)-5,6-dihydro-2Hpyran-2-yl)pent-4-en-1-yl)oxy)diphenylsilane (1431879-77-4) → C53H84O9Si2 (1431879-66-1)

Guidance literature:

Multi-step reaction with 5 steps

1: N-iodo-succinimide; silver trifluoromethanesulfonate / N,N-dimethyl-formamide / 20 °C / Inert atmosphere

2: chromium dichloride; nickel dichloride / tetrahydrofuran / 12 h / 20 °C / Inert atmosphere

3: N-ethyl-N,N-diisopropylamine; sulfur trioxide pyridine complex / dichloromethane; dimethyl sulfoxide / 0.08 h / 20 °C

4: (triphenylphosphine)copper(I) hydride hexamer / water; benzene / 12 h / 20 °C / Inert atmosphere

5: potassium carbonate / methanol / 0.5 h / 20 °C / Inert atmosphere

With chromium dichloride; N-iodo-succinimide; (triphenylphosphine)copper(I) hydride hexamer; silver trifluoromethanesulfonate; sulfur trioxide pyridine complex; potassium carbonate; N-ethyl-N,N-diisopropylamine; nickel dichloride; In tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; benzene;

DOI:10.1021/ol400487e

Reference yield:

(2R,4R)-2-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-4-methylpentan-1-ol (1431879-89-8) → C53H84O9Si2 (1431879-66-1)

Guidance literature:

Multi-step reaction with 10 steps

1.1: N-ethyl-N,N-diisopropylamine; sulfur trioxide pyridine complex / dichloromethane; dimethyl sulfoxide / 0.08 h / 0 °C / Inert atmosphere

2.1: tin(IV) chloride / dichloromethane / 0.17 h / -78 °C / Inert atmosphere

2.2: 0.42 h / -78 °C / Inert atmosphere

3.1: dmap; pyridine / dichloromethane / 0.08 h / 20 °C / Inert atmosphere

4.1: Pd(OH)2/C; hydrogen / ethyl acetate / 0.25 h / 20 °C

5.1: tin(IV) chloride; triethylsilane / dichloromethane / 1 h / -78 - -30 °C / Inert atmosphere

6.1: N-ethyl-N,N-diisopropylamine; sulfur trioxide pyridine complex / dichloromethane; dimethyl sulfoxide / 0.08 h / 0 °C / Inert atmosphere

7.1: chromium dichloride; nickel dichloride / tetrahydrofuran / 12 h / 20 °C / Inert atmosphere

8.1: N-ethyl-N,N-diisopropylamine; sulfur trioxide pyridine complex / dichloromethane; dimethyl sulfoxide / 0.08 h / 20 °C

9.1: (triphenylphosphine)copper(I) hydride hexamer / water; benzene / 12 h / 20 °C / Inert atmosphere

10.1: potassium carbonate / methanol / 0.5 h / 20 °C / Inert atmosphere

With pyridine; chromium dichloride; triethylsilane; dmap; (triphenylphosphine)copper(I) hydride hexamer; Pd(OH)2/C; hydrogen; sulfur trioxide pyridine complex; tin(IV) chloride; potassium carbonate; N-ethyl-N,N-diisopropylamine; nickel dichloride; In tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide; ethyl acetate; benzene; 2.1: |Mukaiyama Aldol Addition / 6.1: |Parikh-Doering Oxidation;

DOI:10.1021/ol400487e

upstream raw materials:

tert-Butyl(((E)-5-((2R,6R)-6-methoxy-6-((trimethylsilyl)ethynyl)-5,6-dihydro-2Hpyran-2-yl)pent-4-en-1-yl)oxy)diphenylsilane

tert-butyl(((E)-5-((2R,6R)-6-(iodoethynyl)-6-methoxy-5,6-dihydro-2H-pyran-2-yl)pent-4-en-1-yl)oxy)diphenylsilane

(2R,4R)-2-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-4-methylpentan-1-ol

(2R,4R)-2-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-4-methylpentanal

Downstream raw materials:

(2S)-2-[(2R,3R,4aR,5'R,6S,6''R,7aR)-6''[(1E)-5-[(tert-butyldiphenylsilyl)oxy]pent-1-en-1-yl]-3-methyl-3,3''4,4a,6,6'',7,7a-octahydrodispiro[furo[3,2-b]pyran-2,2'-oxolane-5',2''-pyran]-6-yl]-2-((triisopropylsilyl)oxy)ethyl pivalate