78547-40-7

Upstream product

• 459-44-9 4-methylbenzenediazonium tetrafluoroborate 
• 108-39-4 3-methyl-phenol 
• 2581-34-2 3-methyl-4-nitrophenol 
• 106-49-0 p-toluidine 
• 57573-52-1 4-methylbenzene diazonium 

Downstream Products

• 76939-63-4 4-Butoxy-benzoic acid 3-methyl-4-p-tolylazo-phenyl ester 
• 76939-62-3 4-Methoxy-benzoic acid 3-methyl-4-p-tolylazo-phenyl ester 
• 74734-42-2 4-Ethoxy-benzoic acid 3-methyl-4-p-tolylazo-phenyl ester 

Relevant academic research and scientific papers

Effect of exchange of terminal substituents on the mesophase behavior of laterally methyl substituted phenyl azo benzoates in pure and mixed systems

Two groups of the formulae, 4-(4′-hexyloxy)phenylazo-2-(and 3)methyl phenyl-4″-substituted benzoates (Ia-e and IIa-e) were prepared and investigated for their mesophase behavior. Each group consists of five derivatives that differ fr

Synthesis of diaryl-azo derivatives as potential antifungal agents

As compared with a commercially available agricultural fungicide hymexazol, some phenyl-azo phenol derivatives (e.g., 4a, 4b, 4f, 4n, 4q, 4u, and 4v) exhibited the more promising and pronounced antifungal activities in vitro against seven phytopathogenic fungi. It seemed that 4-((un)substituted phenylazo)-phenol and 4-((un)substituted phenylazo)-3-methylphenol might be considered as new lead structures for further design of agricultural fungicides.

The synthesis and structural characterisation of some azo-containing phosphine chalcogenides and comparison to non-phosphorus-containing analogues

p-HO-Ph(Ph2)P(E) (E=S, 1b, Se, 1c) reacts with the diazonium salts [4-R-PhN=N][BF4] (R=H, Me, Et, iPr, tBu, NMe2, NO2) to afford the new compounds [1-HO-2-(4-R-PhN=N)-4-Ph2P(E)C

Steric hindrance influence of a diazo link upon mesogenic properties of some ligands and related copper complexes

Some new polymethylated compounds containing three rings and four rings have been synthetized. The crystalline structures of 2,3-dimethyl-4-ethoxy benzoyloxy-4'-(4-methoxysalicylaldimine)-azobenzene (DIM) and 2,3,6- trimethyl-4-methylben zoyloxy-4'-butylazobenzene (TRIM) are described. Due to larger steric interactions, the diazo linkage makes a larger dihedral angle in TRIM than in DIM. The effect of steric hindrance of the diazo linkage upon the mesophase stability is discussed by the use of isotropic Carbon-13 chemical shifts, molecular modelling and transition temperatures, T(NI). For the three rings core, the thermal stability of the mesophase decreases with substitution pattern dissymetry. The effect of the conjugation loss is evidenced by the decrease of T(NI) versus the carbon number within the chain. For the four rings core, the effect on the transition temperatures of polymethylated ligands is nearly independent of the length of the mesogenic core and depends only on the lateral substituent positions within the core. For the related copper complexes; the T(NI) transition temperatures exhibit a small dependence upon the methyl substitution.

Aryliminodimagnesium Reagents. XVI. Formation of o-Hydroxyazoarenes by Condensation with o-Hydroxynitroarenes. Favorable Role of o-Hydroxyl Group in the Reaction

Hydroxy(HO)-azoxy and -azoarenes were formed by condensation of ArN(MgBr)2 with o-, m-, and p-HO-nitrobenzenes; nuclear substitution took place as a minor or a major pathway. o-HO-azobenzene was obtained in sufficiently high yield.Relative yields of the products varied according to the position of HO group and reaction conditions.The yield variation was explained by the effects of relative efficiency of single electron transfer, ?-complexation, and cooperation of reagent molecules.