3. When subjected to reaction conditions below, the diol product was observed, but the expected intramolecular epoxide product was not isolated. Using drawings and a word explanation, explain this observed selectivity. OH OH NaOH Me. "Br Me Me THE OH Me Me Me . le Me Me obse rved produt
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- Using one or more of the following techinques: NMR, MS, IR, and/or UV, how would you idetify the deutrated 1,2-product from the deutrated 1,4-product. Provide the necessary features of the techniques that allowed yuo to determine each structure.w how enols, enolate ions, andenamines act as nucleophiles. Predictthe products of their reactions withhalogens, alkyl halides, and otherelectrophiles. Show how they areuseful in synthesis.4 explain the presence of trans-9-(2-phenylethenyl anthracene) by wittig reaction. detail description would be much better. thankyou
- What main product(s) would you expect if the following compound is refluxed in methanol (as a solvent and reagent)?Write a mechanism for the reaction below. Hint: think retro!Acetoxybenzene (PhOC(=O)OCH3) is much less reactive than ethoxybenzene (PhOCH2CH3) in electrophilic aromatic substitution reactions. Suggest an explanation for this result, based on an analysis of the inductive and resonance electronic effects of the two substituents on the stability of theWheland intermediate for para substitution by an electrophile E+
- Explain how and why rearrangements occurduring Friedel-Crafts alkylation reactions formingmore than 1 product. Also illustrate therearrangement reaction from the aboveexample.Doxaprost, an orally active bronchodilator patterned after the natural prostaglandins , is synthesized in the following series of reactions starting with ethyl 2-oxocyclopentanecarboxylate. Except for the Nef reaction in Step 8, we have seen examples of all other types of reactions involved in this synthesis. Q. Propose a set of experimental conditions to bring about the alkylation in Step 1. Account for the regioselectivity of the alkylation (i.e., that it takes place on the carbon between the two carbonyl groups rather than on the other side of the ketone carbonyl).Do not give handwriting solution. please draw out what compound A is and then provide aroow pushing mechanism for thisreaction! thanks01 Cive the ctrientiono of Comnand 4 2.2 Provide a reasonable arrowpushing mechanism for the reaction in 2.1