55082-72-9

Upstream product

• 116544-71-9 [2,4-Dimethyl-6-(4-methyl-benzoyl)-phenoxy]-phenyl-acetic acid 
• 86914-85-4 2-Hydroxy-3,4',5-trimethyl-benzophenon 
• 76048-43-6 2,4-dimethylphenyl benzoate 
• 105-67-9 2,4-Xylenol 
• 2882-19-1 ethyl 2-phenyl-2-bromoacetate 
• 874-60-2 4-methyl-benzoyl chloride 
• 36414-60-5 2-bromo-1-phenyl-2-(p-tolyl)ethan-1-one 
• 116544-76-4 2-(2,4-Dimethyl-phenoxy)-1-phenyl-2-p-tolyl-ethanone 
• 16762-09-7 α-(2.4-Dimethylphenoxy)-4-methyl-desoxybenzoin 
• 116544-61-7 [2,4-Dimethyl-6-(4-methyl-benzoyl)-phenoxy]-phenyl-acetic acid ethyl ester 

Relevant academic research and scientific papers

Cyclodeshydratation d'aryloxy-2 diaryl-1,2 ethanones en diaryl-2,3 benzofurannes. Influence de la substitution sur la competition entre deux chemins reactionnels

Many of the methods for synthesizing derivatives of 2,3-diaryl benzofurans imply cyclodehydration of 1,2-diaryl 2-aryloxyethanones, leading often to a mixture of two isomers which differ by the presence of the aryl substituent at positions C-2 or C-3 of benzofuran.This isomerisation is explained by a competition between two possible mechanisms.Either a direct electrophilic substitution or the intermediate formation of an α-acylcarbenium ion.This study deals with the competition as determined by the substitution of aryl groups in the initial substrate.Each 2,3-diarylbenzofuran was synthesized previously using an unambiguous method.