Higher temperatures are less preferred because they may lead to undesirable reactions such as {HEAD ~ carbon loss} through {TAIL ~ reaction} with oxygen 
through
Higher temperatures are less preferred because they may lead to undesirable reactions such as { HEAD ~ carbon loss } through { TAIL ~ reaction } with oxygen
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH