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- а. Sw1 SN2 E1 E2 Br H H ČH3 CH30 - + Product(s)/Stereochemistry(ies) of reaction aElimination occurs when (Z)-3-bromohex-3-ene is treated with NaNH2. Under the same conditions, 1-bromocyclohexeneundergoes elimination much more sluggishly. Explain whynane Draw the principal products of the following eactic (a) H. CH¿CH2CH, HCH,C H. Br (b) NBS hv. CC (c) (d) COOH CH,CH,OH
- Describe the E/Z stereochemistry for the molecules shown below: A: Z; B: Z A: Z; B: E A: E; B: E A: E; B: Zb) DRAW THE product of each of the following reactions? DRAW expected product stereochemistry, where NEEDED TO b) חוו H3C- Pd(OAc)2 Ag2CO3 dppe H OBn 1. B2H6, THF CH3 CH3 2. NaOH, H2O2 B 04) Give the correct product with the correct stereochemistry. Me Me 5) Give the major product. hv HCI OC
- Os P E 2. Predict the products and draw the mechanism of the reaction below showing any relevant transition states. Additionally, name the reactant and the product properly indicating stereochemistry. CM₂ A C43 Br CM₂ Connen & NaOEt DMSO No. o Et (15,25)-1-bromo-2-methyl cyclohexave & сну 2 CHA (S)-3-vethyl cyclohexiene 3. Changing the conditions of the reaction in the previous question to an ethanol solvent gives several products in addition to the one predicted above. Draw these products. 4 47 --- E+0 transition state Hydride shift J сиз и CHEM 241-Group09. Ormord **3(a) Rank the following carbocations in order of increasing electrophilicity (1 = lowest electrophilicity, 4 = highest electrophilicity). (b) Rank the following 1,1-halomethylcyclopentanes in order of reactivity in an SN1 reaction (1 = lowest reactivity, 4 = highest reactivity. CH3 CI B with SNI, nor reactive means more stable (c) Rank the following species in terms of increasing nucleophilicity in an SN2 reaction in a po aprotic solvent (1 = lowest nucleophilicity, 4 = highest nucleophilicity).Please fill in the missing reactants, reagents or products in the following reactions. Indicate relative stereochemistry where it is necessary CI j)