1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[benzene]

Base Information

• Chemical Name: 1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[benzene]
• CAS No.: 33830-02-3
• Molecular Formula: C₁₇H₁₆Br₂
• Molecular Weight: 380.122
• DSSTox Substance ID: DTXSID101209967

Synonyms:1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[benzene];33830-02-3;DTXSID101209967

Chemical Property of 1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[benzene]

Chemical Property:

• XLogP3: 6.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 3
• Exact Mass: 379.95983
• Heavy Atom Count: 19
• Complexity: 293

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1C(C1(Br)Br)(C2=CC=CC=C2)C3=CC=CC=C3

Technology Process of 1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[benzene]

There total 2 articles about 1,1'-(2,2-Dibromo-3-ethylcyclopropylidene)bis[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:

Bromoform (75-25-2) + 1,1-diphenyl-1-butene (1726-14-3) → 3-Aethyl-2.2-dibromo-1.1-diphenylcyclopropan (33830-02-3)

Guidance literature:

With potassium tert-butylate; In hexane; for 15h; Ambient temperature;

Reference yield:

Bromoform (75-25-2) + ethyl n-valerate (539-82-2) + phenylmagnesium bromide → 3-Aethyl-2.2-dibromo-1.1-diphenylcyclopropan (33830-02-3)

Guidance literature:

Multistep reaction; (i), (ii) I₂, (iii) /BRN= 1731048/, KOtBu, pentane;

DOI:10.1016/S0040-4020(01)98146-3

Reference yield: 69.0%

3-Aethyl-2.2-dibromo-1.1-diphenylcyclopropan (33830-02-3) → C17H15Br (88069-86-7)

Guidance literature:

With quinoline; at 130 - 140 ℃;

upstream raw materials:

Bromoform

ethyl n-valerate

1,1-diphenyl-1-butene

Downstream raw materials:

3-Aethyl-1.1-diphenylallen

C₁₇H₁₅Br

2-Bromo-1-ethyl-3-phenyl-1H-indene

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