c. lithium dicyclohexylcuprate (I) 6. In the MS spectrum of the product of this experiments (benzaldehyde + allylzinc bromide) identify the fragments at m/e 148, 130, 107. 7. The reaction of allyllithium with the aldehyde shown gives the indicated product. Show how the observed product was formed (mechanism). CO2CH3 1. Allyllithium 2. Η' , H,ο CHO

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