4-BROMO-2-PENTENE

Base Information

• Chemical Name: 4-BROMO-2-PENTENE
• CAS No.: 1809-26-3
• Molecular Formula: C5H9Br
• Molecular Weight: 149.03
• Hs Code.: 2903399090
• DSSTox Substance ID: DTXSID101316306
• Mol file: 1809-26-3.mol

Synonyms:4-Brom-pent-2-en;4-Benzyloxy-2-butanol;2-bromopent-3-ene;1-benzyloxy-3-butanol;4-bromo-pent-2-ene;1-benzyloxybutan-3-ol;3-benzyloxy-1-butanol;

Chemical Property of 4-BROMO-2-PENTENE

Chemical Property:

• Melting Point: -106.7°C (estimate)
• Refractive Index: 1.4752
• Boiling Point: 114.3°C (estimate)
• PSA: 0.00000
• Density: 1.2312
• LogP: 2.34590
• XLogP3: 2.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 147.98876
• Heavy Atom Count: 6
• Complexity: 47.9

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC=CC(C)Br
• Uses: 4-Bromopent-2-ene can be prepared to use antiviral full heat exchange fresh air membrane.

Technology Process of 4-BROMO-2-PENTENE

There total 11 articles about 4-BROMO-2-PENTENE 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: 77.0%

3-penten-2-ol (1569-50-2) → (E)-4-bromopent-2-ene (56535-63-8,128303-12-8,128303-13-9,1809-26-3,146610-51-7,23068-95-3)

Guidance literature:

With phosphorus tribromide;

DOI:10.1016/S0040-4020(01)88336-8

Reference yield:

→ 1-methylbuta-1,3-diene (2004-70-8,17410-45-6,25212-15-1,64940-84-7) + (E)-4-bromopent-2-ene (56535-63-8,128303-12-8,128303-13-9,1809-26-3,146610-51-7,23068-95-3)

Guidance literature:

With water; hydrogen bromide; at 130 - 133 ℃;

DOI:10.1021/ja01167a090

Reference yield:

3-penten-2-ol (1569-50-2) → 2-bromopent-3-ene (1809-26-3)

Guidance literature:

With hydrogen bromide;

upstream raw materials:

3-penten-2-ol

3-penten-2-ol

4-chloropent-2-ene

methyl magnesium iodide

Downstream raw materials:

2-<1-Methyl-trans-buten-(2)-yl>-phenol

(1S,2S,4S,6S)-4-((E)-(R)-2-Benzenesulfonyl-1,3-dimethyl-hex-4-enyl)-2-(2-methoxy-ethoxy)-3,7-dioxa-bicyclo[4.1.0]heptane

rac,trans-α,γ-Dimethylallyl-3,4,5-trimethyl-phenyl-aether

4-Crotyl-3-methyl-phenol