anthracene and maleic anhydride balanced equation

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A Neat Diels-Alder Reaction: 910-dihydroanthracene-910

Revised 7/10/17; Neat Procedure by Josh Hirner and Anne Moody The Diels-Alder reaction is a concerted [4+2] cycloaddition between a diene and a dienophile (which is often an alkene) The reaction simultaneously forms two C-C single bonds The reaction you will carry out is between anthracene (the diene) and maleic anhydride (the dienophile): O

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Diels-Alder Reaction

anthracene-1 mw = 178 mp = 216 O 5 + 6 O xylene solvent (3) heat O maleic anhydride - 2 mw = 98 mp = 60 1 2 5 O O 3 4 Diels-Alder Product (4) mw = 276 mp = 230-300 range Overview of Actual Reaction: Anthracene (1) will serve as a student-friendly low-smell Diels-Alder diene with the labeled carbons functioning as the reactive diene

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Chem 2229: Exp The Diels-Alder Reaction of Anthracene

In this experiment you will learn how to use the Diels-Alder reaction to form a bridged polycyclic anhydride Two solids – anthracene and maleic anhydride – will be dissolved in xylene and refluxed The product 910-dihydroanthracene-910-αβ-succinic anhydride will be recovered and isolated by vacuum filtration

What is a Diels-Alder reaction using anthracene and maleic anhydride?
Purpose The purpose of this lab is to run a Diels-Alder reaction by using Anthracene and maleic anhydride to form a cyclohexane ring. A Diels-Alder reaction is reaction between a diene and a dienophile to from a cyclohexane ring. In this specific experiment, the anthracene is the diene and the maleic anhydride is the dienophile.
How do you melt anthracene & maleic anhydride in a lab Jack?
Once all the glassware is assembled together and clamped to the monkey bars, raise the hotplate on the lab jack and begin heating. A 1:1 molar mixture of anthracene and maleic anhydride usually melts at approximately 210 °C, so if your sample does not melt, very slowly increase the setting of the hotplate until it does melt some.
What is the difference between maleic anhydride and anthracene?
Anthracene acts as the diene and maleic anhydride functions as the dienophile. Xylene (dimethylbenzene) is used as a high boiling temperature solvent so that the reaction will proceed quickly. Melting temperature analysis will be used to characterize the product. Synthesize 9,10-dihydroanthracene-9,10-α,β-succinic anhydride. Isolate the product.
Is maleic anhydride a dienophile?
Maleic anhydride (2) will function as the dienophile. Xylene (dimethylbenzene) is used as a high-boiling solvent so that the reaction will work fast enough to complete conveniently. In terms of activation, notice that maleic anhydride is a highly reactive dienophile, due to the presence of two electron-withdrawing carbonyl substituents.

Lecture 05 : Chemical reactions of #Anthracene. part-2.

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