35781-23-8

Upstream product

• 78817-36-4 C₂₃H₂₅N₃ 
• 110-78-1 Propyl isocyanate 
• 103-71-9 phenyl isocyanate 
• 103-72-0 phenyl isothiocyanate 
• 2131-61-5 p-nitrophenyl isothiocyanate 
• 38706-67-1 N-benzylbenzamide dimethylhydrazone 
• 78817-29-5 C₂₃H₂₆N₃⁽¹⁺⁾*Br^(1-) 
• 46721-83-9 N-(chloro(phenyl)methylene)(phenyl)methanamine 

Relevant academic research and scientific papers

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.

1,2-Dihydro-1,3,5-triazines from 1,3-diaza-1,3-butadienes

The 4-aryl-1-(4-methylphenyl)-2-phenyl- and 1-benzyl-2,4-diphenyl-1,3- diaza-1,3-butadienes are nearly quantitatively transformed into the corresponding 1,3,5-triazines when allowed to stand at room temperature in benzene solution. The mechanism of the reaction is discussed.

Amidrazones. VII (1a). Formation of s-Triazines by Thermolysis of N1-Benzyl-Substituted Amidrazone Ylides

The preparation of ylides of the general structure RC(=NR')N-N+(CH3)2CH2Ar (14) is described.Thermolysis of 14a (R = CH3, R' = H, Ar = C6H5) gave dimethylamine and 2,4-dimethyl-6-phenyl-s-triazine.Thermolysis of ylides 14b (R = C6H5; R' = CH3, Ar = C6H5) and 14c (R = C6H5, R' = CH3, Ar = p-tolyl) gave dimethylamine, ArCH=NCH3 and 1-methyl-2-Ar-4,6-diphenyl-1,2-dihydro-s-triazines (19a,b).Triazines 19a and 19b were also prepared by condensation of N-methylbenzamidine with benzaldehyde and p-tolualdehyde, respectively.Thermolysis of 14d (R = C6H5, R' = CH2C6H5, Ar = C6H5) gave 1-benzyl-2,4,6-triphenyl-1,2-dihydro-s-triazine (19c) and N-benzylidenebenzylamine.Mechanistic aspects of these reactions are discussed.