Are there any pharmaceutically related products related to Ethylene Biosynthesis in plants? (i.e. Yang cycle)

Question

Anything would be useful.

Answer 1

None that I've ever heard or read about with ethylene, but with isoprene quite a bit. But I never heard of the Yang cycle??

isoprene is C=C(C)-C=C or 2-Methyl-1,3-butadiene

Here's a ref:

http://en.wikipedia.org/wiki/Terpene