1,1-dibromo-2,2,3,3-tetramethylcyclopropane

Base Information

• Chemical Name: 1,1-dibromo-2,2,3,3-tetramethylcyclopropane
• CAS No.: 22715-57-7
• Molecular Formula: C7H12 Br2
• Molecular Weight: 255.9782
• Mol file: 22715-57-7.mol

Synonyms:1,1-Dibromo-2,2,3,3-tetramethylcyclopropane;NSC 265877

Chemical Property of 1,1-dibromo-2,2,3,3-tetramethylcyclopropane

Chemical Property:

• Vapor Pressure: 1.33mmHg at 25°C
• Boiling Point: 178.5°Cat760mmHg
• Flash Point: 55.7°C
• Density: 1.628g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1-dibromo-2,2,3,3-tetramethylcyclopropane

There total 10 articles about 1,1-dibromo-2,2,3,3-tetramethylcyclopropane 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: 98.0%

2,3-Dimethyl-2-butene (563-79-1) + Bromoform (75-25-2) → 2,2,3,3-tetramethyl-1,1-dibromocyclopropane (22715-57-7)

Guidance literature:

With potassium tert-butylate; In n-heptane; at -9 - 20 ℃; for 4h;

DOI:10.1021/op500314c

Reference yield: 82.0%

Bromoform (75-25-2) + 2,3-Dimethyl-1-butene (563-78-0) → 2,2,3,3-tetramethyl-1,1-dibromocyclopropane (22715-57-7)

Guidance literature:

With potassium tert-butylate; In pentane; at 0 - 20 ℃; for 2.33333h; Inert atmosphere;

DOI:10.1039/c4cc03348e

Reference yield: 57.0%

2,3-Dimethyl-2-butene (563-79-1) + carbon tetrabromide (558-13-4) → 2,2,3,3-tetramethyl-1,1-dibromocyclopropane (22715-57-7)

Guidance literature:

With iron; copper; In acetonitrile; at 20 ℃; for 1.5h;

DOI:10.1016/j.tetlet.2004.01.124

upstream raw materials:

2,3-Dimethyl-2-butene

Bromoform

1,1-dibromomethane

dibromocarbene

Downstream raw materials:

2,2,3,3-Tetramethyl-4,4-diphenylcyclobutanon

3-bromo-2,4-dimethylpenta-1,3-diene

1-isopropenyl-1-methylcyclopropane

α-<2,2,3,3-Tetramethyl-1-(methylthio)-cyclopropyl>-benzylalkohol