Silacyclopenta-2,4-diene, 1,1-dibromo-2,3,4,5-tetramethyl-

Base Information

• Chemical Name: Silacyclopenta-2,4-diene, 1,1-dibromo-2,3,4,5-tetramethyl-
• CAS No.: 154445-83-7
• Molecular Formula: C8H12Br2Si
• Molecular Weight: 296.077
• Mol file: 154445-83-7.mol

Synonyms:

Chemical Property of Silacyclopenta-2,4-diene, 1,1-dibromo-2,3,4,5-tetramethyl-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Silacyclopenta-2,4-diene, 1,1-dibromo-2,3,4,5-tetramethyl-

There total 1 articles about Silacyclopenta-2,4-diene, 1,1-dibromo-2,3,4,5-tetramethyl- 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:

dimethylacetylene (503-17-3) → Hexamethylbenzene (87-85-4) + 1,1-dibromo-2,3,4,5-tetramethylsilole (154445-83-7)

Guidance literature:

With n-butyllithium; zirconocene dichloride; tetrabromosilane; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; 1.) THF, hexane, RT, 2.5 h, 2.) 150 deg C, 47 h;

DOI:10.1021/ja00084a031

Reference yield:

1,1-dibromo-2,3,4,5-tetramethylsilole (154445-83-7) → 2,3,4,5-Tetramethyl-1-(2,4,6-trimethyl-phenyl)-1H-silole

Guidance literature:

Multi-step reaction with 2 steps

1: toluene / 14 h / 65 °C

2: LiAlH₄ / tetrahydrofuran / 1 h / Ambient temperature

With lithium aluminium tetrahydride; In tetrahydrofuran; toluene;

DOI:10.1021/ja962103g

Reference yield:

mesityllithium (5806-59-7) + 1,1-dibromo-2,3,4,5-tetramethylsilole (154445-83-7) → 1-Bromo-2,3,4,5-tetramethyl-1-(2,4,6-trimethyl-phenyl)-1H-silole

Guidance literature:

In toluene; at 65 ℃; for 14h;

DOI:10.1021/ja962103g

upstream raw materials:

dimethylacetylene