(2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester

Base Information

• Chemical Name: (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester
• CAS No.: 479231-59-9
• Molecular Formula: C₂₅H₃₀O₄Si
• Molecular Weight: 422.596
• Mol file: 479231-59-9.mol

Synonyms:(2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester

Chemical Property of (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester

There total 4 articles about (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic 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: 87.0%

(2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8,8-bis-ethylsulfanyl-octa-2,4-dienoic acid methyl ester (479231-56-6) → (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester (479231-59-9)

Guidance literature:

With periodic acid; In tetrahydrofuran; diethyl ether; at 0 - 20 ℃; for 0.05h;

DOI:10.1016/S0040-4039(02)01206-6

Reference yield:

tert-Butyl-[(R)-1-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-3,3-bis-ethylsulfanyl-propoxy]-diphenyl-silane (85593-59-5) → (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester (479231-59-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 93 percent / trifluoroacetic acid / tetrahydrofuran; H₂O / 4 h / 50 °C

2: 88 percent / Pb(OAc)4; Na₂CO₃ / CH₂Cl₂ / 0.33 h / -40 - -30 °C

3: 83 percent / LiN(SiMe₃)2 / -78 - 20 °C

4: 87 percent / periodic acid / diethyl ether; tetrahydrofuran / 0.05 h / 0 - 20 °C

With lead(IV) acetate; sodium carbonate; periodic acid; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; dichloromethane; water; 3: Wittig-Horner reaction;

DOI:10.1016/S0040-4039(02)01206-6

Reference yield:

2-(tert-butyl-diphenyl-silanyloxy)-4,4-bis-ethylsulfanyl-butyraldehyde (479231-58-8) → (2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-octa-2,4-dienoic acid methyl ester (479231-59-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / LiN(SiMe₃)2 / -78 - 20 °C

2: 87 percent / periodic acid / diethyl ether; tetrahydrofuran / 0.05 h / 0 - 20 °C

With periodic acid; lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; 1: Wittig-Horner reaction;

DOI:10.1016/S0040-4039(02)01206-6

upstream raw materials:

(2E,4E)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-8,8-bis-ethylsulfanyl-octa-2,4-dienoic acid methyl ester

tert-Butyl-[(R)-1-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-3,3-bis-ethylsulfanyl-propoxy]-diphenyl-silane

2-(tert-butyl-diphenyl-silanyloxy)-4,4-bis-ethylsulfanyl-butyraldehyde

(2S,3R)-3-(tert-Butyl-diphenyl-silanyloxy)-5,5-bis-ethylsulfanyl-pentane-1,2-diol

Downstream raw materials:

Benzoic acid (2Z,4E,6E,10Z)-(1S,8R)-8-(tert-butyl-diphenyl-silanyloxy)-16,16-bis-ethylsulfanyl-1-(3-methoxycarbonyl-propyl)-hexadeca-2,4,6,10-tetraenyl ester

Benzoic acid (2Z,4E,6E,10Z)-(1S,8R)-16,16-bis-ethylsulfanyl-8-hydroxy-1-(3-methoxycarbonyl-propyl)-hexadeca-2,4,6,10-tetraenyl ester

(2E,4E,8Z)-(R)-6-(tert-Butyl-diphenyl-silanyloxy)-14,14-bis-ethylsulfanyl-tetradeca-2,4,8-trien-1-ol

[(Z)-(R)-1-((1E,3E)-5-Bromo-penta-1,3-dienyl)-9,9-bis-ethylsulfanyl-non-3-enyloxy]-tert-butyl-diphenyl-silane