1,4-Diphenylbut-2-ene-1,4-dione

Base Information

• Chemical Name: 1,4-Diphenylbut-2-ene-1,4-dione
• CAS No.: 4070-75-1
• Molecular Formula: C16H12 O2
• Molecular Weight: 236.27
• Hs Code.: 2914399090
• Mol file: 4070-75-1.mol

Synonyms:FT-0606340

Chemical Property of 1,4-Diphenylbut-2-ene-1,4-dione

Chemical Property:

• Vapor Pressure: 1.27E-05mmHg at 25°C
• Melting Point: 109-112 °C(lit.)
• Refractive Index: 1.6290 (estimate)
• Boiling Point: 368.5 °C at 760 mmHg
• Flash Point: 138.2 °C
• PSA: 34.14000
• Density: 1.141 g/cm³
• LogP: 3.30840
• XLogP3: 3.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 4
• Exact Mass: 236.083729621
• Heavy Atom Count: 18
• Complexity: 286

Purity/Quality:

98%min ^*data from raw suppliers

1,4-Diphenyl-2-butene-1,4-dione 98% ^*data from reagent suppliers

Safty Information:

• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C(=O)C=CC(=O)C2=CC=CC=C2

Technology Process of 1,4-Diphenylbut-2-ene-1,4-dione

There total 50 articles about 1,4-Diphenylbut-2-ene-1,4-dione 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: 82.0%

1,4-diphenyl-but-2-yne-1,4-dione (1087-09-8) + 1-(4-methoxy-benzoyl)-thiosemicarbazide (833-84-1) → 1,4-diphenyl-but-2-ene-1,4-dione (4070-75-1) + (E)-((4,6-diphenylfuro[3,4-d]thiazol-2-yl)diazenyl)(4-methoxyphenyl)methanone (1402222-52-9)

Guidance literature:

With triethylamine; In acetonitrile; at 20 ℃; Reflux;

DOI:10.1080/17415993.2012.700458

Reference yield: 77.0%

N2-(4-hydroxybenzoyl)thiosemicarbazide (58975-53-4) + 1,4-diphenyl-but-2-yne-1,4-dione (1087-09-8) → 1,4-diphenyl-but-2-ene-1,4-dione (4070-75-1) + (E)-((4,6-diphenylfuro[3,4-d]thiazol-2-yl)diazenyl)(4-hydroxyphenyl)methanone (1402222-51-8)

Guidance literature:

With triethylamine; In acetonitrile; at 20 ℃; Reflux;

DOI:10.1080/17415993.2012.700458

Reference yield: 75.0%

benzoyl thiosemicarbazide (5351-66-6) + 1,4-diphenyl-but-2-yne-1,4-dione (1087-09-8) → 1,4-diphenyl-but-2-ene-1,4-dione (4070-75-1) + (E)-((4,6-diphenylfuro[3,4-d]thiazol-2-yl)diazenyl)(phenyl)methanone (1402222-50-7)

Guidance literature:

With triethylamine; In acetonitrile; at 20 ℃; Reflux;

DOI:10.1080/17415993.2012.700458

upstream raw materials:

1,2-dibenzoylchloroethane

2-bromo-1,4-diphenyl-1,4-butanedione

1,4-diphenyl-2-(N-phenylamino)-1,4-butadienone

phenylglyoxal hydrate

Downstream raw materials:

1,4‐diphenyl‐2‐(p‐tolyl)butane‐1,4‐dione

NSC 43344

2,3,4,5-tetraphenylfuran

1,4-diphenyl-2-(N-phenylamino)-1,4-butadienone