128256-22-4

Basic information

• Product Name: Quinazoline, 1,4-dihydro-6-methyl-2,4-diphenyl-
• CAS NO: 128256-22-4
• Molecular Formula: C21H18N2
• Molecular Weight: 298.387
• Mol File: 128256-22-4.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: Quinazoline, 1,4-dihydro-6-methyl-2,4-diphenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Quinazoline, 1,4-dihydro-6-methyl-2,4-diphenyl-(128256-22-4)
• EPA Substance Registry System: Quinazoline, 1,4-dihydro-6-methyl-2,4-diphenyl-(128256-22-4)

Safety Data

• Hazardous Substances Data: 128256-22-4(Hazardous Substances Data)

Upstream product

• 66275-61-4 N-Chloro-N'-(4-methylphenyl)benzamidine 
• 136801-71-3 1-p-tolyl-2,4-diphenyl-1,3-diazabuta-1,3-diene 
• 13909-34-7 N-benzylidenephenylsulfonamide 
• 108228-47-3 1-p-tolyl-4-dimethylamino-2-phenyl-1,3-diazabutadiene 
• 71316-14-8 N'-(4-methylphenyl)-N-(triphenylphosphoranylidene)-benzenecarboximidamide 
• 100-52-7 benzaldehyde 

Relevant articles and documents

Cycloaddition reactions of 2,4-diphenyl-1,3-diazabuta-1,3-dienes with isocyanates and isothiocyanates

The cycloaddition reactions of 1-p-tolyl and 1-benzyl- 2,4-diphenyl-1,3-diazabuta-1,3-dienes with a variety of aryl and alkyl isocyanate and isothiocyanate are described. The reaction mechanism is also discussed.

A convenient synthesis of Quinazoline ring by tandem aza-Wittig reaction/electrocyclic ring closure

3,4-D-Dihydroquinazolines and Quinazolines were prepared starting from N'-aryl-N-(triphenylphosphoranilidene)-carboximidamides and aliphatic or aromatic aldehydes. The mechanism of the reaction is discussed.