Benzoin phenylhydrazone

Base Information

• Chemical Name: Benzoin phenylhydrazone
• CAS No.: 574-07-2
• Molecular Formula: C₂₀H₁₈N₂O
• Molecular Weight: 302.376
• Hs Code.: 2928000090
• DSSTox Substance ID: DTXSID501199495
• Nikkaji Number: J95.758E
• Mol file: 574-07-2.mol

Synonyms:Benzoin phenylhydrazone;574-07-2;beta-Benzoin phenylhydrazone;DTXSID501199495;Ethanone, 2-hydroxy-1,2-diphenyl-, phenylhydrazone, (E)-

Chemical Property of Benzoin phenylhydrazone

Chemical Property:

• Vapor Pressure: 6.62E-10mmHg at 25°C
• Boiling Point: 477°Cat760mmHg
• PKA: 11.56±0.20(Predicted)
• Flash Point: 242.3°C
• PSA: 44.62000
• Density: 1.09g/cm³
• LogP: 4.30940
• XLogP3: 5.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 5
• Exact Mass: 302.141913202
• Heavy Atom Count: 23
• Complexity: 364

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C(C(=NNC2=CC=CC=C2)C3=CC=CC=C3)O
• Isomeric SMILES: C1=CC=C(C=C1)C(/C(=N/NC2=CC=CC=C2)/C3=CC=CC=C3)O

Technology Process of Benzoin phenylhydrazone

There total 3 articles about Benzoin phenylhydrazone 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:

1,3,4-triphenyl-1,2-diaza-1,3-butadiene (25769-36-2) → syn-benzoin phenylhydrazone (574-07-2) + anti-benzoin phenylhydrazone (574-08-3)

Guidance literature:

With water; copper dichloride; In tetrahydrofuran; for 4h; Title compound not separated from byproducts; Heating;

DOI:10.1021/jo00315a043

Reference yield:

anti-benzoin phenylhydrazone (574-08-3) → syn-benzoin phenylhydrazone (574-07-2)

Guidance literature:

In methanol; at 20 ℃; Quantum yield; Product distribution; Irradiation;

Reference yield:

2-hydroxy-2-phenylacetophenone (119-53-9,579-44-2) + phenylhydrazine (100-63-0) → syn-benzoin phenylhydrazone (574-07-2) + anti-benzoin phenylhydrazone (574-08-3)

Guidance literature:

upstream raw materials:

1,3,4-triphenyl-1,2-diaza-1,3-butadiene

2-hydroxy-2-phenylacetophenone

phenylhydrazine

anti-benzoin phenylhydrazone

Downstream raw materials:

anti-benzoin phenylhydrazone

1,4,5-Triphenyl-3-propyl-1H-pyrazol

3-methyl-1,4,5-triphenyl-1H-pyrazole

1,3,4,5-tetraphenyl-1H-pyrazole

Refernces

• 1、 Mueller, Uwe,Timpe, Hans-Joachim,Kuestermann, Ekkehardt,Urban, Klaus. "Zur Verwendbarkeit von Benzoinhydrazonderivaten als Photoinitiatoren". . p. 224. Retrieved 2007/10/02.