K kov82 New Member 10+ Year Member 15+ Year Member Joined Jul 19, 2006 Messages 208 Reaction score 1 Points 4,531 Non-Student May 23, 2009 #1 Advertisement - Members don't see this ad Hi guys, sometimes I see PBr3 get added to an acid, CH3CH2-COOH and make it CH3CH2-COBr and others where it substitutes an alpha H, CH3CHBr-COOH ? how do I know which is which?? thanks.....
Advertisement - Members don't see this ad Hi guys, sometimes I see PBr3 get added to an acid, CH3CH2-COOH and make it CH3CH2-COBr and others where it substitutes an alpha H, CH3CHBr-COOH ? how do I know which is which?? thanks.....