3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine

Base Information

• Chemical Name: 3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine
• CAS No.: 339577-88-7
• Molecular Formula: C₅₃H₅₃NSi₂
• Molecular Weight: 760.182
• Mol file: 339577-88-7.mol

Synonyms:3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine

Chemical Property of 3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine

There total 1 articles about 3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine 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: 61.0%

3,5-diethynyl pyridine (67227-90-1) + 1,1-diphenyl-4-triethylsilyl-2-[[(trifluoromethyl)sulfonyl]oxy]-but-1-en-3-yne (339577-77-4) → 3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine (339577-88-7)

Guidance literature:

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diethylamine; In tetrahydrofuran; at 55 ℃; for 24h;

DOI:10.1021/ol0156087 DOI:10.1021/jo0159744

Reference yield:

3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine (339577-88-7) → 3,5-bis-(3-benzhydrylidene-penta-1,4-diynyl)-pyridine (339577-99-0)

Guidance literature:

With sodium hydroxide; In tetrahydrofuran; methanol; at 20 ℃; for 4h;

DOI:10.1016/S0022-328X(03)00792-7

Reference yield:

3,5-bis-(3-benzhydrylidene-5-triethylsilanyl-penta-1,4-diynyl)-pyridine (339577-88-7) → 4,9,19,24-tetrabenzhydrylidene-14,29-diaza-tricyclo[25.3.1.112,16]dotriaconta-1(31),12,14,16(32),27,29-hexaene-2,5,7,10,17,20,22,25-octayne

Guidance literature:

Multi-step reaction with 2 steps

1: TBAF / methanol; tetrahydrofuran; H₂O / 0.5 h / 20 °C

2: 51 percent / CuI; TMEDA; O₂ / CH₂Cl₂ / 3 h / 20 °C

With copper(l) iodide; N,N,N,N,-tetramethylethylenediamine; tetrabutyl ammonium fluoride; oxygen; In tetrahydrofuran; methanol; dichloromethane; water;

DOI:10.1021/jo0159744

upstream raw materials:

3,5-diethynyl pyridine

1,1-diphenyl-4-triethylsilyl-2-[[(trifluoromethyl)sulfonyl]oxy]-but-1-en-3-yne

Downstream raw materials:

3,5-bis-(3-benzhydrylidene-penta-1,4-diynyl)-pyridine