ChemicalBook CAS DataBase List 2-Bromostyrene

2-Bromostyrene synthesis

8synthesis methods

Product Name:2-Bromostyrene
CAS Number:2039-88-5
Molecular formula:C8H7Br
Molecular Weight:183.05

50-00-0 Synthesis

50-00-0
865 suppliers
$10.00/25g

3433-80-5 Synthesis

3433-80-5
314 suppliers
$10.00/1g

2039-88-5
168 suppliers
$16.00/1g

Yield:2039-88-5 89%

Reaction Conditions:

with tris(bipyridine)ruthenium(II) dichloride hexahydrate;potassium carbonate;triphenylphosphine in acetonitrile at 20; for 4 h;Inert atmosphere;Schlenk technique;Irradiation;

Steps:

5 Example 5
In a Schlenk tube equipped with a magnetic stir bar, 163.2 mg of K2CO3 (1.5:1 molar ratio to o-bromobenzyl bromide) was added, and 314.4 mg of triphenylphosphine (molar ratio to o-bromobenzyl bromide) was added. 1.5:1), 3.8 mg Ru(bpy)3Cl2-6H2O (molar ratio to o-bromobenzyl bromide 0.005:1), 60 mg paraformaldehyde, 10 mL acetonitrile, 248 mg 2-bromobenzyl bromide, argon gas for 5 minutes Under visible light, normal temperature, reaction time is 4h,The product was isolated and purified by petroleum ether to give 162 mg of 3-bromostyrene (formula) (yield: 89%).

References:

Tsinghua University;Fu Hua;Jiang Min;Yang Haijun CN108658716, 2018, A Location in patent:Paragraph 0065-0067

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