The grignard reaction of α‐diketones. Radical intermediates as the determinant of carbon‐ and oxygen‐attacked products

Although carbon (normal)‐ and oxygen (abnormal)‐attacked products are usually afforded in the Grignard reaction of α‐diketones, the relative ratio of the two are strongly dependent on the structure of the Grignard reagents. The product‐determining factors are discussed on the basis of the intermediate radicals formed from α‐diketones and Grignard reagents.