For this problem, Can I use weinreb ketone synthesis? I found the product but not sure it is the right one
If the amide react with either R1-Mgbr or R2-Li, then it produces the ketone?
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All the reaction doesn't occur just in one pot. First, BuLi removes the tributylstannyl substituent from the compound 1 in nearly 0.5 h. Then, by adding the amide 3 the reaction pot, the anion 2 attacks to the carbonyl group only once to provide the ketone 4 without any tertiary alcohol, as expected by the Weinreb–Nahm reaction.
Isono, .N., & Mori, .M. (1996). A NOVEL CARBON-CARBON BOND FORMING REACTION USING BIS(TRIBUTYLSTANNYL)PROPANOL. Main Group Metal Chemistry, 19(5),