1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene

Base Information

• Chemical Name: 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene
• CAS No.: 80471-17-6
• Molecular Formula: C₂₁H₃₀Si₃
• Molecular Weight: 366.726
• Mol file: 80471-17-6.mol

Synonyms:1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene

Chemical Property of 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene

There total 2 articles about 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene 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: 7.12%

dicarbonylcyclopentadienylcobalt (12078-25-0,12078-23-8) + 1,4-bis(trimethylsilyl)-1,3-butadiyne (4526-07-2) → (1,3-diethynyl-2,4-bis(trimethylsilyl)-η4-cyclobutadiene)(η5-cyclopentadienyl)cobalt (67378-01-2) + (2,4-diethynyl-5-(trimethylsilyl)-η4-cyclopentadienone)(η5-cyclopentadienyl)cobalt (80471-01-8) + (2,4-diethynyl-3,5-bis(trimethylsilyl)-η4-cyclopentadienone)(η5-cyclopentadienyl)cobalt (80471-02-9) + 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene (80471-17-6) + 1,3,5-triethynyl-2,4,6-tris(trimethylsilyl)benzene (80471-16-5)

Guidance literature:

With potassium hydroxide; In decane; A soln. of reagents was added over 11 h to a refluxing stirriing soln. of (Me3Si)2C4, reflux for 20 min, cooled to room temp., evapd., oil was suspd.in abs. EtOH with 1% KOH, the mixt. was stirred at room temp. under air for 2 h; further products;; Et2O and H2O were added, seperated on phases, the ether phase was washed with satd. aq. NaCl, dried over MgSO4, filtered, evapd.; chromd. on alumina with ether-pentane; sublimed (150°C, 1E-3 torr), recrystd. from Et2O-hexane;;

Reference yield:

(3,5,6-tris((trimethylsilyl)ethynyl)benzene-1,2,4-triyl)tris(trimethylsilane) (18765-46-3) → 1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene (80471-17-6)

Guidance literature:

With potassium hydroxide; In methanol; Heating;

Reference yield:

1,2,4-triethynyl-3,5,6-tris(trimethylsilyl)benzene (80471-17-6) → 1,2,4-triethylbenzene (877-44-1)

Guidance literature:

Multistep reaction; (i) H₂, Raney-Ni, (ii) HCl, AcOH;

upstream raw materials:

(3,5,6-tris((trimethylsilyl)ethynyl)benzene-1,2,4-triyl)tris(trimethylsilane)

dicarbonylcyclopentadienylcobalt

1,4-bis(trimethylsilyl)-1,3-butadiyne

Downstream raw materials:

1,2,4-triethylbenzene