Match the chemical with its correct mass. maleic anhydride a-phellandrene theoretical yield of Diels-Alder reaction of a-phellandrene with maleic anhydride A. 0.817 g B. 0.937 g C. 0.392
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- Explain why butadiene sulfone was used in the Diels-Alder reaction with maleic anhydride? Why is excess employed in the reaction?14.51 Draw the products of the following Diels-Alder reactions. Indicate stereochemistry where appropriate. 180 note her a shor OCH 3 a. b. C. + [2] [1] Δ OCH 3 A d. e. + f. + + A holtensporbyd to food pressions to abno ni zansib palwolle Ain a diels-alder reaction involving 2,3-dimethyl-1,3-butadiene and maleic anhydride, which is the diene and which is the dienophile?
- Write the equation and the corresponding mechanisms for the Diels-Alder reactions ofcyclopentadiene with EACH of the following compounds:(a) Vinyl acetate(b) Acrylic acid(c) Dimethyl acetylenedicarboxylatePlease help with these Diels Alder reactions. Explain briefly!The following table indicates the yield percent values of nitration products and toluene bromination. Explain the difference between the performance percentages of the products of bromination.
- arrange the following in order of increasing reactivity towards Diels-Alder reactionWhich of the following structures, A or B, has the faster rate of reaction in a Diels-Alder reaction? Give a brief explanation that includes the terms "donating group", "withdrawing group", "energy of the electrons", "HOMO". H :0: A H₂N. BWhat do you mean by Enantioselective hydrogenation ? Why it is used ?
- ChemDoodle C. opy aste C. P. aste • In cases where there is more than one answer, just draw one. What is the structure of X? (Ignore ring stereochemistry.) Treatment X with ozone follwed by zinc in aqueous acid gives a dialdehyde. dimethylcyclopentane. X reacts with one molar equivalent of hydrogen in the presence of a palladium catalyst to form 1,2- Compound has the formula C,H12. [References] [Review Topics]A Diels Alder reaction occurs with 4.25 g of cyclopentadiene, an equimolar amount of dienophile, and 50 mL of ether was used as the solvent. The product is bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid dimethyl ester. Given that information, what is the moles of each reactant, and what is the theoretical yeild of he product. (include the balanced equation)1) In the Diels-Alder reaction there are two reaction components: a DIENE (must be a conjugated diene); and a DIENOPHILE (an ene usually with electron withdrawing substituents). a. Bicyclic diene A reacts readily with appropriate alkenes by the Diels-Alder reaction, whereas diene B is totally unreactive. Explain. b. Write the three reactions and show the product for diene A reacting with dienophiles I, II, and III. Rank I, II, and III in terms of their expected reactivity in a Diels Alder reaction. Justify your assigned ranks. A B || LOCH3 III