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- Draw the structures of A - D from the following electrocyclic and cycloaddition reactions.What carbon radical is formed by homolysis of the C–Hb bond inpropylbenzene? Draw all reasonable resonance structures for thisradical.Rank the compounds in each set from most to least reactive in an EAS reaction
- Draw the products of radical chlorination and bromination of eachcompound. For which compounds is a single constitutional isomerformed for both reactions? What must be true about the structure of areactant for both reactions to form a single product ?(a) Why cyclohexene and cyclohexa-1,3-diene are expected to undergo addition reaction but benzene does not? Explain clearly. (b) Why is an electron-donating group to benzene activating and usually a/an ortho/para director?Any proper mechanism of hydroboration- oxidation must explain the observed____[ex anti] addition of the H and OH to the alkene as well as the____ [ex mixed markovnikov] regiochemistry
- Rank the following molecules from lowest to highest enery and provide short exaplanation if possibleWhich alkene in each pair has the larger heat of hydrogenation? See in attachment ?Identify the pericyclic reactions in the following reaction schemes. Give the complete reaction name and indicate the course of the reaction with the aid of the arrow notation.