(E)-2-Butenyltriphenyl-phosphoniumBromide

Base Information

• Chemical Name: (E)-2-Butenyltriphenyl-phosphoniumBromide
• CAS No.: 28975-45-3
• Molecular Formula: Br*C₂₂H₂₂P
• Molecular Weight: 397.294
• NSC Number: 245392
• Mol file: 28975-45-3.mol

Synonyms:39741-81-6;(E)-2-Butenyltriphenyl-phosphoniumBromide;28975-45-3;2-Butenyl(triphenyl)phosphorane;(E)-But-2-En-1-yltriphenylphosphonium bromide;[(E)-but-2-enyl]-triphenylphosphanium;bromide;NSC 245392;NSC245392;SCHEMBL2182198;SCHEMBL2182202;AKOS024263933;NSC-245392;AS-66339;W18623;[(2E)-but-2-en-1-yl]triphenylphosphanium bromide

Chemical Property of (E)-2-Butenyltriphenyl-phosphoniumBromide

Chemical Property:

• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 5
• Exact Mass: 396.06425
• Heavy Atom Count: 24
• Complexity: 309

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC=CC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]
• Isomeric SMILES: C/C=C/C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

Technology Process of (E)-2-Butenyltriphenyl-phosphoniumBromide

There total 2 articles about (E)-2-Butenyltriphenyl-phosphoniumBromide 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: 85.0%

allyl bromide (106-95-6) + triphenylphosphine (603-35-0) → crotyltriphenylphosphonium bromide (28975-45-3,39616-20-1,39741-81-6)

Guidance literature:

In toluene; Heating;

DOI:10.1055/s-1990-26858

Reference yield:

→ crotyltriphenylphosphonium bromide (28975-45-3,39616-20-1,39741-81-6)

Guidance literature:

DOI:10.1021/jo00896a034

Reference yield: 48.0%

3-phenyl-propionaldehyde (104-53-0) + crotyltriphenylphosphonium bromide (28975-45-3,39616-20-1,39741-81-6) → (3Z,5Z)-hepta-3,5-dien-1-ylbenzene + (3Z,5E)-hepta-3,5-dien-1-ylbenzene (97797-93-8) + (3E,5E)-hepta-3,5-dien-1-ylbenzene (88015-29-6)

Guidance literature:

crotyltriphenylphosphonium bromide; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 0.5h;

3-phenyl-propionaldehyde; In tetrahydrofuran; at 20 ℃; for 24h;

DOI:10.1002/chem.201803574

upstream raw materials:

allyl bromide

triphenylphosphine

Downstream raw materials:

4-methyl-1,1-diphenyl-1,2,3,4-tetrahydro-phosphinolinium; hexafluorophosphate

γ-Acetyl-buten-(2)-yliden-triphenylphosphoran

1-Acetyl-2-methyl-cyclopropanecarboxylic acid methyl ester

(3-Nitro-2-butenyliden)triphenylphosphoran