1,4-Diiodo-2,3-dimethylbuta-1,3-diene

Base Information

• Chemical Name: 1,4-Diiodo-2,3-dimethylbuta-1,3-diene
• CAS No.: 24172-05-2
• Molecular Formula: C₆H₈I₂
• Molecular Weight: 333.939
• DSSTox Substance ID: DTXSID60697596
• Mol file: 24172-05-2.mol

Synonyms:1,4-DIIODO-2,3-DIMETHYLBUTA-1,3-DIENE;DTXSID60697596

Chemical Property of 1,4-Diiodo-2,3-dimethylbuta-1,3-diene

Chemical Property:

• Vapor Pressure: 0.0358mmHg at 25°C
• Boiling Point: 249.7°C at 760 mmHg
• Flash Point: 109.8°C
• PSA: 0.00000
• Density: 2.196g/cm³
• LogP: 3.66400
• XLogP3: 4.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 333.87155
• Heavy Atom Count: 8
• Complexity: 107

Purity/Quality:

(1Z,3Z)-1,4-DIIODO-2,3-DIMETHYL-BUTA-1,3-DIENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(=CI)C(=CI)C

Technology Process of 1,4-Diiodo-2,3-dimethylbuta-1,3-diene

There total 3 articles about 1,4-Diiodo-2,3-dimethylbuta-1,3-diene 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:

3r,4t-diiodo-1,2-dimethyl-cyclobutene (24184-04-1) → 1,4-Diiod-2,3-dimethyl-butadien-1,3 (24172-05-2)

Guidance literature:

at 140 ℃;

DOI:10.1016/S0040-4020(01)82977-X

Reference yield:

3,4-dimethylenecyclobutene (5291-90-7) → 1,4-Diiod-2,3-dimethyl-butadien-1,3 (24172-05-2)

Guidance literature:

Multi-step reaction with 3 steps

1: (i) HBr, (ii) ZnBr₂

2: NaI

3: 140 °C

With sodium iodide;

DOI:10.1016/S0040-4020(01)82977-X

Reference yield:

trans-1,2-dibromo-3,4-dimethyl-3-cyclobutene (24184-03-0) → 1,4-Diiod-2,3-dimethyl-butadien-1,3 (24172-05-2)

Guidance literature:

Multi-step reaction with 2 steps

1: NaI

2: 140 °C

With sodium iodide;

DOI:10.1016/S0040-4020(01)82977-X

upstream raw materials:

3r,4t-diiodo-1,2-dimethyl-cyclobutene

3,4-dimethylenecyclobutene

trans-1,2-dibromo-3,4-dimethyl-3-cyclobutene

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