(3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide

Base Information

• Chemical Name: (3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide
• CAS No.: 29310-37-0
• Molecular Formula: C25H26 O2 P . Br
• Molecular Weight: 469.358
• Hs Code.: 2931900090
• Mol file: 29310-37-0.mol

Synonyms:Phosphonium,(3-carboxy-2-methylallyl)triphenyl-, bromide, ethyl ester (8CI); Phosphonium,(4-ethoxy-2-methyl-4-oxo-2-butenyl)triphenyl-, bromide (9CI)

Chemical Property of (3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide

Chemical Property:

• Melting Point: 1900C (dec)
• PSA: 39.89000
• LogP: 1.49390
• Solubility.: Acetonitrile, Dimethylformamide, Tetrahydrofuran

Purity/Quality:

95% ^*data from raw suppliers

(3-Ethoxycarbonyl-2-methylallyl)triphenylphosphoniumBromide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide (cas# 29310-37-0) is a compound useful in organic synthesis.

Technology Process of (3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide

There total 2 articles about (3-Ethoxycarbonyl-2-methylallyl)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:

ethyl 4-bromo-3-methylcrotonate (51318-62-8,51371-55-2,26918-14-9) + triphenylphosphine (603-35-0) → 3-ethoxycarbonyl-2-methylallyltriphenylphosphonium bromide (29310-37-0)

Guidance literature:

DOI:10.1016/S0031-9422(00)94349-8

Reference yield:

ethyl 3-methylbut-2-enoate (638-10-8) → 3-ethoxycarbonyl-2-methylallyltriphenylphosphonium bromide (29310-37-0)

Guidance literature:

Multi-step reaction with 2 steps

1: NBS, (PhCO)2O₂

With N-Bromosuccinimide; dibenzoyl peroxide;

DOI:10.1016/S0031-9422(00)94349-8

Reference yield: 88.0%

3-ethoxycarbonyl-2-methylallyltriphenylphosphonium bromide (29310-37-0) + 1,4-diphenyl-but-2-yne-1,4-dione (1087-09-8) → 2-Methyl-5-[2-oxo-2-phenyl-eth-(Z)-ylidene]-4-phenyl-cyclopenta-1,3-dienecarboxylic acid ethyl ester

Guidance literature:

With sodium hydrogencarbonate; In dichloromethane; for 12h; Ambient temperature;

DOI:10.1246/cl.1996.71

upstream raw materials:

ethyl 4-bromo-3-methylcrotonate

triphenylphosphine

ethyl 3-methylbut-2-enoate

Downstream raw materials:

2,5-Dimethyl-cyclohexa-1,3-dienecarboxylic acid ethyl ester

(2Z,4Z)-3-Methyl-5-(2,4,6-trimethoxy-phenyl)-penta-2,4-dienoic acid ethyl ester

ethyl (2E,4E)-5-(2,4,6-trimethoxyphenyl)-3-methyl-2,4-pentadienoate

ethyl (2E,4E)-5-(4-methoxyphenyl)-3-methyl-2,4-pentadienoate