![The [3+2] cycloaddition of diphenyldiazomethane and ethyl diazoacetate with itaconic anhydride. A new access to spiranic cyclopropane derivatives]()
The [3+2] cycloaddition of diphenyldiazomethane and ethyl diazoacetate with itaconic anhydride. A new access to spiranic cyclopropane derivativesRoussel, Christophe; Ciamala, Kabula; Melot, Jean-Marie; Vebrel, Joel; Riche, Claude · Journal of Chemical Research · 2002