I was wondering how to do this problem. I tried, I started by using LDA, and then adding CH3(CH2)3I but then I get stuck trying to create the…

I was wondering how to do this problem. I tried, I started by using LDA, and then adding CH3(CH2)3I but then I get stuck trying to create the epoxide, NH2, and getting rid of the double bonded oxygen. Can you show me the reasoning behind the correct process?