1,1-Dibromo-2-ethenylcyclopropane

Base Information

• Chemical Name: 1,1-Dibromo-2-ethenylcyclopropane
• CAS No.: 5398-65-2
• Molecular Formula: C26H27NO9S
• Molecular Weight: 225.911
• Hs Code.: 2903890090
• Mol file: 5398-65-2.mol

Synonyms:1,1-Dibromo-2-ethenylcyclopropan;gem-dibromovinylcyclopropane;1,1-Dibrom-2-vinyl-cyclopropan;1,1-Dibromo-2-ethenylcyclopropane;1,1-Dibromo-2-vinylcyclopropane;2,2-dibromo-1-vinylcyclopropane;

Chemical Property of 1,1-Dibromo-2-ethenylcyclopropane

Chemical Property:

• Vapor Pressure: 2.57mmHg at 25°C
• Refractive Index: n20/D 1.547
• Boiling Point: 164.5°C at 760 mmHg
• Flash Point: >110°C
• PSA: 0.00000
• Density: 1.869g/mLat 25℃
• LogP: 2.67840
• Storage Temp.: 2-8°C

Purity/Quality:

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38-52/53
• Safety Statements: 26-61

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1-Dibromo-2-ethenylcyclopropane

There total 3 articles about 1,1-Dibromo-2-ethenylcyclopropane 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: 91.0%

Bromoform (75-25-2) + buta-1,3-diene (106-99-0,130983-70-9,29406-96-0,9003-17-2) → 1,1-dibromo-2-vinylcyclopropane (5398-65-2)

Guidance literature:

With potassium tert-butylate; In neat (no solvent); at -20 - 0 ℃;

DOI:10.1016/S0040-4039(00)98355-2

Reference yield:

buta-1,3-diene (106-99-0,130983-70-9,29406-96-0,9003-17-2) + 1,1-dibromomethane (74-95-3) → 1,1-dibromo-2-vinylcyclopropane (5398-65-2)

Guidance literature:

at 0 - 3 ℃; Reactivity;

DOI:10.1021/ja01601a073

Reference yield:

→ 1,1-dibromo-2-vinylcyclopropane (5398-65-2)

Guidance literature:

1,3-Butadien, KO-t.Bu/CHBr3;

upstream raw materials:

Bromoform

buta-1,3-diene

1,1-dibromomethane

Downstream raw materials:

cis-1-bromo-2-vinylcyclopropane

vinylallene

cyclopenta-1,3-diene

2,2-dibromocyclopropane-1-carboxylic acid