Q: How can I get my iMac to reconize my LG Optimus 5 phone so I can transfer itunes. When I plug it in it does not recognize the phone

I have an iMac that I want to transfer stored itunes to my Optimus LG 5 android phone. When I plug my phone into the computer the computer does not recognize the phone. What can I do to so I can then transfer my tunes?