6. Provide the reagents necessary to achieve the following synthetic transformations. More than one step may be required. ноос, (4) HOOC (b) CN 7. Give the product that forms for the following Cope rearrangement. 180 C 8. When a 2,6-disubstituted allyl phenyl ether is heated in an attempted Claisen rearrangement, migration occurs to give the p-allyl product at the result of two sequential pericyclic reactions. Explain. он CH CH H,C. CH, heat H3C. CH

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Q: Calculate the pH of a 0.457 M aqueous solution of triethylamine ((C2H5)3N, Kb = 5.2×10-4).   pH =

A: pOH = 1/2 ( pKb - log c ) pOH = 1/2 ( 4 - log 5.2 - log 0.457)  pOH = 3.62