[3-ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium bromide

Base Information

• Chemical Name: [3-ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium bromide
• CAS No.: 108411-45-6
• Molecular Formula: C24H25NO3P.Br
• Molecular Weight: 486.33800
• Mol file: 108411-45-6.mol

Synonyms:[(2E)-3-ethoxy-2-(methoxyimino)-3-oxopropyl]triphenylphosphanium bromide;ethoxymethoxyiminooxopropyltriphenylphosphoniumbromide;4P-305S;<(2-carboethoxy-2-methyloximino)ethyl>triphenylphosphonium bromide;

Chemical Property of [3-ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium bromide

Chemical Property:

• PSA: 61.48000
• LogP: 0.55000

Purity/Quality:

97% ^*data from raw suppliers

[3-Ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium bromide >95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of [3-ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium bromide

There total 1 articles about [3-ethoxy-2-(methoxyimino)-3-oxopropyl](triphenyl)phosphonium 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 Bromopyruvate (70-23-5) + N-methoxylamine hydrochloride (593-56-6) + triphenylphosphine (603-35-0) → <(2-carboethoxy-2-methyloximino)ethyl>triphenylphosphonium bromide (108411-45-6)

Guidance literature:

Multistep reaction; 1.) ethanol; 2.) THF, reflux;

DOI:10.1016/0040-4039(88)85162-1

Reference yield:

<(2-carboethoxy-2-methyloximino)ethyl>triphenylphosphonium bromide (108411-45-6) → (Z)-2-Amino-4-phenyl-but-2-enoic acid ethyl ester (118970-53-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) nBuLi / 1) THF, DMPU

2: Zn, formic acid

With n-butyllithium; formic acid; zinc;

DOI:10.1016/0040-4039(88)85162-1

Reference yield:

<(2-carboethoxy-2-methyloximino)ethyl>triphenylphosphonium bromide (108411-45-6) → ethyl 2-amino-4-phenylbut-2-enoate (118970-52-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) nBuLi / 1) THF, DMPU

2: Zn, formic acid

With n-butyllithium; formic acid; zinc;

DOI:10.1016/0040-4039(88)85162-1

upstream raw materials:

ethyl Bromopyruvate

N-methoxylamine hydrochloride

triphenylphosphine

Downstream raw materials:

(E)-2-[(Z)-Methoxyimino]-4-(4-trifluoromethyl-phenyl)-but-3-enoic acid ethyl ester

ethyl 2-methoximino-4-phenylbut-3(E)-enoate

(Z)-2-Amino-4-phenyl-but-2-enoic acid ethyl ester

ethyl 2-amino-4-phenylbut-2-enoate

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