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- Fill in the boxes to predict the reactants, reagents, or products. Pay attention to stereochemistry!Draw the products of the following reactions. Use curved arrows to show where the pair of electrons starts and where it ends up. a. ZnCl2 + CH3OH b. FeBr3 + Br c. AlCl3 + Cl−When carbonyl compounds are reduced with a reagent such as LiAlH4 or NaBH4 and a new stereogenic center is formed, what will the composition of the product mixture be? Forms more of one enantiomer than another because of steric reasons around the carbonyl Forms more of one enantiomer than another depending on the temperature of the reaction Forms different products depending on the solvent used Forms a racemic mixture of the two possible enantiomers
- A student adds NBS to a solution of 1-methylcyclohexene and irradiates the mixture with a sunlamp until all the NBS has reacted. After a careful distillation, the product mixture contains two major products of formula C7H11Br. (a)Rank these three intermediates from most stable to least stable.Draw the intermediate carbocation that is formed when each is protonated, say, with H+.These occur when adding HBr, HCl, HI, or H+/H2O to a double bond. The rich get richer. Will it rearrange?Draw the structure of the unbranched isomer of C5H11Br that is most reactive in an SN1 reaction.
- 2H2S(g) + SO2(g) <--> 3S(s) + 2H2O(g) Would this reaction be favored at a high or low temperature?Consider a reaction where cis-but-2-ene is treated with sO followed by NaHSO/H, O. Draw the structure of one product that is formed in the reaction, including correct stereochemistry.Draw eugenol as a line structure. The double bonds of the benzene ring are fairly unreactive unless you use special catalysts. But the double bond on the side group is reactive. Draw the mechanism of eugenol reacting with HBr to form the two possible carbocation intermediates. Put your intermediates into square brackets. Label each carbocation as a methyl carbon or 1°, 2°, or 3°. Then circle a more stable carbocation if one is more stable. Can you guess what the final product is?
- Can someone please explain the logic of 2 vs 3 for stereochemistry? They are both C-C so I don't understand how to rank 2 vs 3. Thank you!Determine the stereochemistry of product 3 ?i. Fill in the missing starting materials, products, or reagents as necessary. ii. Label each transformation as SN1, SN2, or acid/base. iii. Indicate if the product is racemic or a single enantiomer