Microwave Assisted Synthesis of Biodiesel in an Undergraduate Organic Chemistry Laboratory Course
نویسندگان
چکیده
Engineering students in a one-semester organic chemistry laboratory course prepared biodiesel by using either microwave or conventional heating in a discovery-based experiment. The laboratory design was to show improvement in student awareness about the use of microwave heating in organic synthesis in general, and specifically in the preparation of biodiesel. The students were polled before and after the laboratory class on their knowledge in the areas of biofuels and microwave heating as a tool for preparative chemistry. From experience in the lab, students demonstrated increased learning regarding microwave energy (theory, its use, how it heats a reaction) and biodiesel (concepts, reaction, synthesis, NMR). Students’ performance on the post-laboratory assessment did not statistically improve in the areas of biodiesel definition, biodiesel physical properties, and reaction mechanism, in spite of perception.
منابع مشابه
Microwave-assisted Synthesis of Nـ alkyl 2ـ ketomethyl quinoline Derivatives Under Solvent-free Conditions
A series of Nـ alkyl 2ـ ketomethylquinoline derivatives were synthesis by reaction of benzoyl chloride derivatives with Nـ methyl quinaldine iodide in the presence of triethyl amine under microwave irradiation. Enaminone form of the product study by spectroscopy method. The result revealed the Nـ alkyl 2ـ ketomethylquinoline the fixed enaminone tautomer.
متن کاملMicrowave-assisted Synthesis of Acridine-1,8(2H,5H)-diones via a One-pot, Three Component Reaction
A new and improved protocol for the synthesis, in good to excellent yields, of acridine-1,8(2H,5H)-diones is described, involving a one-pot, three component reaction of dimedone, arylglyoxals, and ammonium acetate in water under microwave irradiation.
متن کاملMicrowave-assisted preparation of Nـ alkyl 2ـ ketomethyl quinolines on Solvent-free Conditions
متن کامل
A Tandem Scalable Microwave-Assisted Williamson Alkyl Aryl Ether Synthesis under Mild Conditions
An efficient tandem synthesis of alkyl aryl ethers, including valuable building blocks of dialdehyde and dinitro groups under microwave irradiation and solvent free conditions on potassium carbonate as a mild solid base has been developed. A series of alkyl aryl ethers were obtained from alcohols in excellent yields by following the Williamson ether synthesis protocol under practical mild condi...
متن کاملMechanistic Studies and Optimization of Microwave-Assisted Palladium-Catalyzed Carbon-Carbon Bond Forming Reactions and an Academic Prospective on “Quality by Design”
This compilation of work includes four aspects: (1) an academic review on the significance and implementation of Quality by Design (QbD), (2) mechanistic studies on the palladium-catalyzed synthesis of diarylmethanes, (3) the optimization of microwave-assisted click reactions and Suzuki couplings for use in an undergraduate organic chemistry laboratory manual, and (4) monitoring the progress of...
متن کامل