5415-04-3

Upstream product

• 5326-42-1 3-methyl-4-hydroxybenzophenone 
• 95-48-7 ortho-cresol 
• 100-51-6 benzyl alcohol 
• 7446-70-0 aluminium trichloride 
• 86119-84-8 phosphoric acid 
• 19578-70-2 benzyl 2-methylphenyl ether 
• 100-44-7 benzyl chloride 
• 100-39-0 benzyl bromide 
• 30090-95-0 4-benzyl-1-methoxy-2-methylbenzene 

Downstream Products

• 62441-37-6 4-benzyl-2-methylbenzenamine 
• 85341-61-3 6-bromo-2-methyl-4-benzylphenol 
• 620-47-3 1-methyl-3-(phenylmethyl)-benzene 
• 138113-74-3 2-(4-benzyl-2-methylphenoxy)-ethylamine 

Relevant academic research and scientific papers

Towards ortho-selective electrophilic substitution/addition to phenolates in anhydrous solvents

Alkyl-substituted Li-phenolates with BnBr in water solution lead to a mixture of o- and p-Bn-substituted phenols together with a substantial amount of phenol Bn ether. In CPME, and especially in toluene with 1–2 equivalents of ether or alcohol additives, ortho-selective alkylation is achieved. In the case of o,o,p-tri- and o,o-di-substituted phenols dearomatization occurs affording o-Bn-substituted alkyl cyclohexadienones with yields up to 92% with an o/p ratio up to 90/1.

Tin exchanged heteropoly tungstate: An efficient catalyst for benzylation of arenes with benzyl alcohol

The partial exchange of tin with the protons of 12-tungstophosphoric acid (TPA) results in a highly active heterogeneous catalyst for benzylation of arenes with benzyl alcohol as benzylating agent. The catalysts were characterized by X-ray diffraction, Laser-Raman and FT-IR of pyridine adsorption. The catalytic activity depends significantly on the extent of tin exchanged with the protons of heteropoly tungstate. The characterization results suggest the presence of Lewis acidic sites by the exchange of tin. The catalyst with partial exchange of Sn showed high benzylation activity, which in turn related to variation in acidity of the catalysts. The catalyst is highly active for benzylation reaction irrespective of the nature of substituted arenes and benzyl alcohols. These catalysts are highly active compared to other acid catalysts used for benzylation of different arenes. The catalyst is easy to separate from reaction mixture and exhibit consistent activity upon reuse. The plausible reaction mechanism based on the role of both Lewis and Bronsted acid sites of the catalyst was discussed.

Pyrimidine derivatives and fungicides and/or acaricides containing them as active ingredient

A compound which is effective as an active ingredient of fungicides and/or acaricides, and is represented by the formula and a method for preparing the same are provided: STR1 wherein R1 and R2 are bonded together at their termini and represent trimethylene or teramethylene, R3 represents a hydrogen atom, a lower alkyl group or a halogen atom, R4 represents a hydrogen atom or a lower alkyl group, R5 represents a hydrogen atom, a lower alkyl group or a methylthio group and n represents 2 or 3.

BENZYLPHENOL DERIVATIVES AS ANTIOXIDANTS FOR AUTOXIDATION OF TETRALIN.

A series of 4-benzylphenols, 2-methyl-4-benzylphenols, 4-methyl-2-benzylphenols and 4-methoxy-2-benzylphenols have been prepared and evaluated as antioxidants for tetralin at 60 degree C by means of an oxygen-absorption method. Very good activities have been observed with a series of 4-methoxy-2-benzylphenols. The electrochemical oxidation potentials of these compounds were determined using linear-sweep voltammetry. The antioxidative activities were found to correlate with both the **1**3C NMR chemical shifts ( delta ) of the ipsocarbon of the OH substituents and their peak potentials (E//p).