Reaction of diazoalkanes with unsaturated compounds. Report 4. Cyclopropanation of vinyl- and allylhalides with diazomethane in the presence of copper (I) chloride and triphenylphosphite
Reaction of diazoalkanes with unsaturated compounds. Report 4. Cyclopropanation of vinyl- and allylhalides with diazomethane in the presence of copper (I) chloride and triphenylphosphite