81355-74-0

Upstream product

• 955-02-2 2,6-di-tert-butyl-4-diazo-2,5-cyclohexadien-1-one 
• 959-28-4 1,4-diphenylbut-2-ene-1,4-dione 

Downstream Products

• 81355-78-4 Acetic acid 4-(4-acetoxy-3,5-di-tert-butyl-phenyl)-2,5-diphenyl-furan-3-yl ester 
• 81355-76-2 (E)-2-(3,5-Di-tert-butyl-4-hydroxy-phenyl)-1,4-diphenyl-but-2-ene-1,4-dione 

Relevant academic research and scientific papers

ACID-CATALYSED REACTIONS OF 3,5-DIALKYL-SPIROOCTA-2,5-DIEN-4-ONES

Acid-catalysed ring opening of the spirodienones (2a) and (2b) using p-toluenesulfonic acid affords the styrene derivatives (3a) and (3b), while treatment with acetic anhydride/H2SO4 affords the furan derivatives (4a) and (4b).