In this study,a number of amino acid schiff bases from vanillin and amino acid have been synthesized under microwave irradiation coupled with solvent-free condition,which proves to be simple and efficient.The structur...
In this paper,dehydroabietic acid was isolated and purified from disproportionated rosin at first.Then,sucrose dehydroabietic acid esters were synthesized through the esterification reaction of methyl dehydroabietate ...
The synthetic method for the titled compound composed of reacting p toluic acid with urea in the presence of sulfamic acid in certain solvent.Some factors of effecting on yield are discussed.