42549-03-1

Upstream product

• 62262-26-4 2-methyl-5-tert-butyldiphenylmethane 
• 21900-38-9 5-tert.-Butyl-2-methyl-benzoylchlorid 
• 71-43-2 benzene 
• 98-51-1 4-tert-butyltoluene 
• 98-88-4 benzoyl chloride 

Downstream Products

• 870105-30-9 6-tert-butyl-4-phenyl-naphtho[2,3-c]furan-1,3-dione 
• 870105-31-0 7-tert-butyl-1-phenylnaphthalene-2,3-dicarboxylic acid imide 

Relevant academic research and scientific papers

Phthalocyanines and related compounds: XXXIX. Synthesis of derivatives of some substituted 1-phenylnaphthalene-2,3-dicarboxylic acids

Derivatives (dinitriles, anhydrides, imides, N-phenylimides) of substituted 1-phenylnaphthalene-2,3-dicarboxylic and 1-phenylphenanthrene-2,3-dicarboxylic acids were prepared by the reactions of 2-bromomethylbenzophenones with various dienophiles. Starting from these derivatives, gallium complexes of substituted tetra-1-phenyl-2,3-naphthalocyanines and tetra(1-phenyl-2,3-phenanthro) porphyrazine were synthesized. 2005 Pleiades Publishing, Inc.

SYNTHESIS OF SUBSTITUTED tert-BUTYLANTHRAQUINONES

The oxidation of 2-methyl-5-tert-butyldiphenylmethane and its 4'-methyl-, chloro-, and nitro-substituded derivatives by potassium permangate in a mixture of pyridine and water leads to the formation of the correspoding 2-benzoyl-4-tert-butyl-benzoic acids, which are converted by the action of sulfuric acid with heat into substituted 2-tert-butylanthraquinones.The cyclization of 2-benzoyl-4-tert-butylbenzoic acids containig a tert-butyl group or chlorine atom in the benzoyl ring is accompanied by a Hayashi rearrangement, which leads to the formation of mixtures thecorresponding 2,6- and 2,7-disubstituted anthraquinones.