88461-24-9Relevant articles and documents
Dioxopyrroline. L. Skeletal rearrangements of 7-vinyl-7-trimethylsilyloxy-5-ethoxycarbonyl-1-phenyl-2-azabicyclo[3.2. 0]heptane-3,5-diones under thermal, basic, and acidic conditions
Sano,Toda,Tsuda
, p. 36 - 42 (1992)
The oxyvinylcyclobutanes (2), photoadducts of the dioxopyrrolines (1) to trimethylsilyloxybutadienes, undergo two different types of skeletal rearrangements depending on the reaction conditions. Thermolysis of 2 caused expansion of the cyclobutane ring by