Chunhua Lin et al <br/><br/>
Solvent-Free Synthesis of 5-Alkenyl-2,2-butylidene-1, 3-dioxane-4,6-diones under Ultrasonic Irradiation with o-Phthalimide-N-Sulfonic Acid as Catalyst 

<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works