*conjugated polyenes have alternating single and double bonds.
\ /
C=C
/ \ / ---over and over again.
C=C
/ \
*noncunjugated dienes do NOT have their TWO double bonds seperated by only
ONE single bond.
\ / \ /
C=C C=C ---the book calls this an isolated diene, this is
/ \ / \ the same as a nonconjugated diene.
(CH2)n
The book does not speak specifically about conjugated multiple bonds, but
the index directs one to pp 511-512. What makes these conjugated is the
alternation of the single and double bonds.
-Ed
On Mon, 2 Dec 1996 vantranh@plu.edu wrote:
>
> Dearest organic chem people,
> Perhaps this is a silly question; however, the exam and final are
> near so I should probably quit putting this off.
> I was attempting to read one of the chapters, and came across the
> terms: conjugated polyenes
> nonconjugated dienes
> conjugated multiple bonds
> What do these mean and what makes them conjugated?
> Please help my simple mind! Thank you!
> -vantranh
>
>