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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- 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 acetylenedicarboxylate
- 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.Which 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. BA 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)
- 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]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 IIIWhich diene could not participate in a Diels-Alder reaction?