4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester

Base Information

• Chemical Name: 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester
• CAS No.: 181280-80-8
• Molecular Formula: C₂₃H₂₆O₅SSi
• Molecular Weight: 442.608
• Mol file: 181280-80-8.mol

Synonyms:4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester

Chemical Property of 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester

There total 5 articles about 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl 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: 81.0%

2-(Trimethylsilyl)ethanol (2916-68-9) + carbon monoxide (201230-82-2) + [3-(trifluoromethylsulfonyloxy)-1-naphthyl] 4-methylbenzenesulfonate (181280-79-5) → 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester (181280-80-8)

Guidance literature:

With palladium diacetate; 1,3-bis-(diphenylphosphino)propane; triethylamine; In dimethyl sulfoxide; at 70 ℃; for 3h;

DOI:10.1016/0040-4020(96)00531-5

Reference yield:

3-Methoxy-1-hydroxynapthalene (57404-85-0) → 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester (181280-80-8)

Guidance literature:

Multi-step reaction with 4 steps

1: 86 percent / pyridine / 20 h / Ambient temperature

2: 93 percent / BBr₃ / CH₂Cl₂ / 1.) -78 deg C, 1.5 h, 2.) RT, 2 h

3: 100 percent / pyridine / 12 h / 0 °C

4: 81 percent / Pd(OAc)2, 1,3-bis(diphenylphosphino)propane, triethylamine / dimethylsulfoxide / 3 h / 70 °C

With pyridine; palladium diacetate; 1,3-bis-(diphenylphosphino)propane; boron tribromide; triethylamine; In dichloromethane; dimethyl sulfoxide;

DOI:10.1016/0040-4020(96)00531-5

Reference yield:

3-hydroxy-1-tosyloxynaphthalene (181280-78-4) → 4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester (181280-80-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / pyridine / 12 h / 0 °C

2: 81 percent / Pd(OAc)2, 1,3-bis(diphenylphosphino)propane, triethylamine / dimethylsulfoxide / 3 h / 70 °C

With pyridine; palladium diacetate; 1,3-bis-(diphenylphosphino)propane; triethylamine; In dimethyl sulfoxide;

DOI:10.1016/0040-4020(96)00531-5

upstream raw materials:

2-(Trimethylsilyl)ethanol

carbon monoxide

[3-(trifluoromethylsulfonyloxy)-1-naphthyl] 4-methylbenzenesulfonate

3-Methoxy-1-hydroxynapthalene

Downstream raw materials:

4-(Toluene-4-sulfonyloxy)-naphthalene-2-carboxylic acid