It boils at 171.9 �C, concomitant with conversion into crotonic acid.
2.
Racemic threonine can be prepared from crotonic acid by alpha-functionalization using mercury ( II ) acetate.
3.
"' Isocrotonic acid "'( or quartenylic acid ) is the cis analogue of crotonic acid.
4.
In 2011, Metabolix was awarded a $ 6.0 million grant to produce PHB in switchgrass and to develop methods to thermally convert the PHB-containing switchgrass to crotonic acid and a higher density residual biomass fraction for production of biofuel.