21866-19-3

Upstream product

• 15795-47-8 2,2-dimethyl-5-(2-methylpropylidene)-1,3-dioxane-4,6-dione 
• 577-16-2 2-Methylacetophenone 
• 132473-08-6 8-isobutylidene-6,10-dioxaspiro<4,5>decane-7,9-dione 
• 132473-12-2 3-isobutylidene-1,5-dioxaspiro<5,5>undecane-2,4-dione 

Relevant academic research and scientific papers

ADDITION REACTION OF PHOTOENOLS FROM o-METHYL-SUBSTITUTED AROMATIC KETONES WITH 5-ALKYLIDENE-1,3-DIOXANE-4,6-DIONE DERIVATIVES

Photolyses of 2-methylacetophenone or 2-phenylbenzophenone with isobutylidene Meldrum's acid or isobutylidene-1,3-dioxane-4,6-dione derivatives produced novel adducts, bonding between the β-carbon of the acylals and the 2-methyl carbon of the aromatic ketones.However, the photoenol derived from benzocyclobutenols by thermolysis dit not undergo the addition reaction with the acylal.The benzocyclobutenols reacted with isobutenylketene derived by pyrolysis of isobutylidene Meldrum's acid to yield corresponding benzocyclobutenyl 4-methyl-3-pentenoate derivatives.

PHOTOCHEMISTRY OF o-METHYL-SUBSTITUTED AROMATIC KETONE WITH 5-ISOBUTYLIDENE-1,3-DIOXANE-4,6-DIONE DERIVATIVES

Photolyses of o-methylacetophenone or o-methylbenzophenone with 5-isobutylidene-1,3-dioxane-4,6-diones produced novel adducts, bonding between the β-carbon of the acylales and the o-methyl carbon of the aromatic ketones.Key Words: Photochemistry; o-Methyl