Which of the following compounds has a double bond that is conjugated with the π system of the benzene ring?

a. Allylbenzene
b. p-Benzyltoluene
c. 3-Phenylcyclohexene
d. 3-Phenyl-1,4-pentadiene
e. 2-Phenyl-1-decene

2 answers

Here are structures for a,b,and c. Both d and e are simple enough for you to draw the structures yourself. I would focus my attention on e.

a. http://www.google.com/search?q=allylbenzene&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

b. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=117002

c. http://voh.chem.ucla.edu/vohtar/spring00/30H/pdf/hkey1.pdf

d.
Can't find the solution