[5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl]triphenylphosphonium bromide

Base Information

• Chemical Name: [5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl]triphenylphosphonium bromide
• CAS No.: 54757-44-7
• Molecular Formula: C34H36OP.Br
• Molecular Weight: 572
• Mol file: 54757-44-7.mol

Synonyms:(5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide;

Chemical Property of [5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl]triphenylphosphonium bromide

Chemical Property:

• PSA: 22.82000
• LogP: 4.57800
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99% ^*data from raw suppliers

(5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide is a useful research chemical compound.

Technology Process of [5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl]triphenylphosphonium bromide

There total 8 articles about [5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl]triphenylphosphonium bromide 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: 76.0%

triphenylphosphine hydrobromide (6399-81-1) + 5-(4-methoxy-2,3,6 trimethylphenyl)-3-methylpenta-1,4-dien-3-ol (54757-48-1) → 5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-diene-1-triphenylphosphonium bromide (54757-44-7,84244-59-7)

Guidance literature:

With 4-methyl-2-pentanone; at 50 - 60 ℃; Large scale;

Reference yield: 66.0%

<(2Z)-5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methylpent-2-en-4-inyl>triphenylphsophonium-bromid → <(2Z,4Z)-5-(4-Methoxy-2,3,6-trimethylphenyl)penta-2,4-dienyl>triphenylphosphonium-bromid (54757-44-7,84244-59-7)

Guidance literature:

With hydrogen; Ra-Ni; In methanol; at 20 - 25 ℃; for 5h; under 750.06 Torr;

DOI:10.1002/hlca.19890720224

Reference yield:

4-(4'-methoxy-2',3',6'-trimethylphenyl)-but-3-ene-2-one (54757-47-0) → 5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-diene-1-triphenylphosphonium bromide (54757-44-7,84244-59-7)

Guidance literature:

Multi-step reaction with 2 steps

1: lithium chloride / toluene / 20 - 30 °C

2: 4-methyl-2-pentanone / 50 - 60 °C / Large scale

With 4-methyl-2-pentanone; lithium chloride; In toluene;

upstream raw materials:

(Z)-3-methylpent-2-en-4-ynol

2,3,5-trimethylanisole

1-bromo-4-methoxy-2,3,6-trimethylbenzene

(2Z)-5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methylpent-2-en-4-in-1-ol

Downstream raw materials:

butyl {(2E,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethyl)phenyl-3,7-dimethylnona-2,4,6.8}tetraenoate

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