74143-80-9

Upstream product

• 1013-88-3 Benzophenone imine 
• 874-60-2 4-methyl-benzoyl chloride 
• 74143-79-6 4,4-Diphenyl-2-p-tolyl-4H-oxazol-5-one 
• 104-85-8 para-methylbenzonitrile 
• 76-93-7 Benzilic acid 
• 17599-59-6 diphenylmethyleneaminotrimethylsilane 

Downstream Products

• 84809-90-5 (C₆H₅)2CNHC(O)(C₆H₄CH₃)⁽¹⁺⁾*SbCl₆^(1-)=(C₆H₅)2CNHC(O)(C₆H₄CH₃)(SbCl₆) 
• 119-61-9 benzophenone 
• 92-52-4 biphenyl 
• 613-33-2 (4,4'-dimethyl-1,1'-biphenyl) 
• 644-08-6 4-Methylbiphenyl 
• 100-47-0 benzonitrile 
• 104-85-8 para-methylbenzonitrile 

Relevant academic research and scientific papers

Thermolysis of Polyazapentadienes. Part 11. Concerted and Free Radical Mechanisms in 2-Aza Enone and 2-Aza Enthione Pyrolyses: Crystal and Molecular Structures of 3-Dimethylamino-1-p-tolyl-2-azaprop-2-en-1-one and 3-Dimethylamino-1-phenyl-2-azaprop-2-ene-1-thione

Flash vacuum pyrolysis of the dimethylamino-azapropenones (7)-(9) and -azapropenethione (12) gives nitriles and amides (or thioamide) in yields of ca. 30percent by an electrocyclisation-ring cleavage mechanism.This is a minor pathway for the triarylazapropenones (14) and (15) for which homolytic cleavage of the C-N bond gives rise to the major products.The X-ray crystal structures of (10) and (12) show that the conjugated systems are almost planar in the s-Z conformation, as required for the electrocyclic ring closure.

Synthesis and Properties of Substituted 1-Alkoxy-2-azaallenium Salts

12 novel substituted 1-alkoxy-2-azaallenium salts 1 have been prepared by reaction of the N-methyleneamides 3 with trialkyloxonium salts 4.During the alkylation reaction of the N-benzylideneamides 3m, n a formal disproportionation takes place to yield hig