2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester

Base Information

• Chemical Name: 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester
• CAS No.: 118427-86-4
• Molecular Formula: C₃₄H₄₆O₆Si
• Molecular Weight: 578.821
• Mol file: 118427-86-4.mol

Synonyms:2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester

Chemical Property of 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester

There total 24 articles about 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl 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: 90.0%

2-[(Z)-6-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-hex-3-enyl]-2-[(2Z,4E)-6-(tert-butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-malonic acid dimethyl ester (118436-63-8) → 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester (118427-86-4)

Guidance literature:

With pyridinium p-toluenesulfonate; In isopropyl alcohol; at 70 ℃; for 17h;

Reference yield:

(Z)-6-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-hex-3-en-1-ol (117832-39-0) → 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester (118427-86-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 99 percent / NEt₃ / CH₂Cl₂ / 0.08 h

2: 1) NaH, 2) KI / 1) THF/DMF, rt, 2) THF/DMF, reflux, 12 h

3: 1) NaH / 1) THF, a) rt, 1 h, b) 35-40 deg C, 1 h, 2) DMF, rt, 15 h

4: 90 percent / pyridinium p-toluenesulfonate / propan-2-ol / 17 h / 70 °C

With pyridinium p-toluenesulfonate; sodium hydride; triethylamine; potassium iodide; In dichloromethane; isopropyl alcohol;

Reference yield:

Methanesulfonic acid (Z)-6-(tert-butyl-dimethyl-silanyloxy)-3-methyl-hex-3-enyl ester (117832-40-3) → 2-[(2Z,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-hydroxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester (118427-86-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 1) NaH, 2) KI / 1) THF/DMF, rt, 2) THF/DMF, reflux, 12 h

2: 1) NaH / 1) THF, a) rt, 1 h, b) 35-40 deg C, 1 h, 2) DMF, rt, 15 h

3: 90 percent / pyridinium p-toluenesulfonate / propan-2-ol / 17 h / 70 °C

With pyridinium p-toluenesulfonate; sodium hydride; potassium iodide; In isopropyl alcohol;

upstream raw materials:

2-[(Z)-6-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-hex-3-enyl]-2-[(2Z,4Z)-6-(tert-butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-malonic acid dimethyl ester

(Z)-6-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-hex-3-en-1-ol

Methanesulfonic acid (Z)-6-(tert-butyl-dimethyl-silanyloxy)-3-methyl-hex-3-enyl ester

(Z) methyl 8-tert-butyldimethylsilyloxy-2-methoxycarbonyl-5-methyl-5-octenoate

Downstream raw materials:

(5Z,11Z,13Z)-15-(tert-Butyl-diphenyl-silanyloxy)-2,9,9-tris-methoxycarbonyl-6-methyl-pentadeca-5,11,13-trienoic acid methyl ester

(5Z,11E,13Z)-15-(tert-Butyl-diphenyl-silanyloxy)-2,9,9-tris-methoxycarbonyl-6-methyl-pentadeca-5,11,13-trienoic acid methyl ester

(5Z,11E,13E)-15-(tert-Butyl-diphenyl-silanyloxy)-2,9,9-tris-methoxycarbonyl-6-methyl-pentadeca-5,11,13-trienoic acid methyl ester

2-[(2E,4E)-6-(tert-Butyl-diphenyl-silanyloxy)-hexa-2,4-dienyl]-2-((Z)-6-methanesulfonyloxy-3-methyl-hex-3-enyl)-malonic acid dimethyl ester