However, it has been recently suggested that disproportionation of.    From Wordnik.com.  [Luskin vs. Science (and Scientific American) - The Panda's Thumb] Reference

They are also produced by the disproportionation of toluene.    From Wordnik.com.  [Purchasing - Top Stories] Reference

It is typically extracted from refineries 'gasoline blending pools, but can also be produced from toluene disproportionation.    From Wordnik.com.  [Purchasing - Top Stories] Reference

"The reason is that the air cells in the air filled emulsion have a robust surface structure, given by the hydrophobin film, and this helps prevent disproportionation and ripening, over 45 days in our study.    From Wordnik.com.  [DairyReporter RSS] Reference