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- Bromide Bhas normal activity (for a secondary bromide) towards SN1 substitution, but A has much higher reactivity and Chas much lower reactivity.Draw the products of these reactions clearly showing stereochemistry in each case if necessary. If the product is formed as a racemic mixture, clearly draw one stereoisomer with dash/wedge bonds and write “+en”. Circle whether each reaction occurs by an SN1 or SN2 pathway.Identify the missing reagents a-f in the following scheme:
- Identify the reagents a-c in the following scheme:a) Draw the mechanism, using good curved arrow notation, for the reaction of 2-methyl-2- butene with bromine in water, omitting any stereochemistry: b) (R)-3-butyn-2-ol is treated with 2 mol of HBr, yielding optically active Compound A (C4H8OBr2). Draw the structure of the reaction with the correct stereochemistry. c) Name Compound A above, including stereochemistry. d) Compound A is treated with HBr to yield Compound B (C4H7Br3). The resulting solution is optically inactive. Draw the product(s) obtained and explain why there is a loss in optical activity.Given that an E2 reaction proceeds with anti periplanar stereochemistry, draw the products of each elimination. The alkyl halides in (a) and (b) are diastereomers of each other. How are the products of these two reactions related?
- Which compound would undergo carbocation rearrangement during an SN1 reaction? A B C DElimination occurs when (Z)-3-bromohex-3-ene is treated with NaNH2. Under the same conditions, 1-bromocyclohexeneundergoes elimination much more sluggishly. Explain whyName attached compound and decide which stereoisomer will react faster inan E2 elimination reaction. Explain your choice.
- Draw the products for the following chemical reactions, indicating stereochemistry wherever applicable. Indicate if the reaction proceeds via SN1 or SN2 mechanismWhen the following stereoisomer of 2-bromo-1,3-dimethylcyclohexane is treated withsodium methoxide, no E2 reaction is observed. Explain why this compound cannotundergo the E2 reaction in the chair conformation.Draw the product formed (including stereochemistry) in attached pericyclicreaction.