organic chemistry help

Feb 2016
1
0
Can someone please help me solve the problems with stars next to it. Thanks!

 
Mar 2016
1
0
New York
I've figured out, but do you still need?
 
Apr 2016
2
0
Jeez i thought my problem was hard, it looks easy compared to what you've shown!! Good luck solving!
 
Oct 2016
5
0
I can't read the problem when it's horizontal.