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- Name the type of reaction and provide a possible reagent assign all the stereocentres found in the compounds via cahn ingold prelog rules define the relation between compound. D E F G identify the 2 stereoisomers likely to be formed in compound cProvide a reasonable stepwise mechanism for the following transformation. Show the structure of any intermediates and use the arrow formalism to account for electron flow. Draw the structure of the regioisomer that might form and suggest a reason why it would not be produced.Consider compound I below, which is structurally related to a natural product that was isolated from an extract of a Caribbean marine sponge (See J. Chem. Soc. 1994, 116, 6015). Answer the following questions about this compound (please explain answers) How many double bonds with E stereochemistry are present? _________ How many double bonds with Z stereochemistry are present? _________
- Draw the product of this reaction and states its IUPAC name, and states what type of mechanism is occuring (eg. SN1, SN2, E1, E2, etc)?The reaction of cyclohexene with iodobenzene under Heck conditions forms E, a coupling product with the new phenyl group on the allylic carbon, but none of the “expected” coupling product F with the phenyl group bonded directly to the carbon–carbon double bond. Draw a stepwise mechanism that illustrates how E is formed.(A) Provide the major organic product for the reaction below (B) Would the product be optically active of optically in active?
- Provide the curved arrow mechanism of m-xylene treated with isopropylchloride with iron (III) chloride. Please include the resonance forms and major product. Thank you so much for the help!Draw all constitutional isomers formed in attached E2 reaction, and predict the major product using the Zaitsev rule.The following compound readily eliminates CO; to form a conjugated six membered ring. (a) Complete the reaction with drawing the possible structure and (b) explain why this reaction goes steadily.
- When naphthalene undergoes an irreversible electrophilic aromatic substitution, such as a Friedel–Crafts acylation, the major product is the kinetic product,which proceeds through the most stable arenium ion intermediate. InSection 23.7, we mentioned that substitution is generally favored at the αposition over the β position, which means that the arenium ion is more stable when the electrophile attaches to the α position. Explain this difference in arenium ion stabilities. Hint: Draw out allresonance structures for each arenium ion intermediate. Does each one have the same number of resonancestructures? How many resonance structures of each intermediate preserve the aromaticity?Draw a detailed mechanism for the FeBr3@catalyzed reaction of ethylbenzene with bromine, and show why the sigma complex (and the transition state leading to it) is lower in energy for substitution at the ortho and para positions than it is for substitution at the meta position.Identify compounds G and H in the following reaction scheme. H represents the structure of stemoamide, the chapter-opening molecule.
