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- Identify the expected major product of the following electrocyclic reaction. → OI Oll O III OIV OV A ? KYYAK 8 +En ||| + En I || IV + En V) Starting from benzent synthesigo the fo lloning compounds. çooH NO2 NO2 NO2 NO2 BrWhich is the major organic product of the reaction provided? O A O B O U A) ex Br B) Br₂, hv Br xx xx xx Br D) racemic
- OMe O OMe mechanism requires PdCl₂ (cat) A CUCI, O₂ H₂OBr tBuO H3C H3C CH2 H2 Alkyl halides undergo nucleophilic substitution and elimination reactions. When the kinetics of the reaction are measured, if the rate of the reaction is found alkyl halide the reaction is second order. The substitution reaction is thus termed SN2, and the elimination reaction is be dependent upon the concentration of the nucleophile as well as the termed E2. These reactions are bimolecular and take place in a single step. In the SN2 reaction, the nucleophile attacks the a-carbon from the backside and displaces the leaving group with an inversion of configuration occurring at the carbon. In the E2 elimination reaction, strong base removes an acidic hydrogen from the B-carbon and an alkene is formed as the leaving group is expelled from the a-carbon. This elimination follows Zaitsev's rule whereby the more substituted alkene is generally formed. In E2 elimination, both the B-hydrogen and the leaving group must be oriented anti to each other. The same reaction…The first step in the mechanism for the reaction shown below is_ Substitution Deprotonation Nucleophilic attack Protonation O O O O
- Classify each of the following organic reactions. reaction Hör H₂O 1) Hg(OAc)₂, H₂O aveau Br OH OH type of reaction (check all that apply) Odihydroxylation addition hydrogenation Dhalogenation halohydrin formation. subtraction halogenation hydrogenation addition halohydrin formation inhalation Odihydroxylation addition hydrogenation oxyhydration halogenationPredict the product for the follwing reaction. To preview the image click here Br O A OB OC OD OMe A MeOH boil (give substitution product) OMe B سجاد OMe ± C e OMe DWhy alkene will yield the most stable carbon cation during the electrophilic addition of HCI. O A OB O O C D O E Ph CF3 D Ph
- Draw the major organic product of the reaction shown below. O Ca OH **** + HBr • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. - ] Jn [1 ChemDoodleⓇ 5bHow can do th's reaction please O ON O perpos e mechanism DThe following figure shows the energy profile of a nucleophilic substitution reaction. Potential energy :ÖH H HII.C H C-1 H HO--C---I HH Reaction coordinate H -CH HO–CHITH H + 1 According to this, it is correct to affirm: O The activation energy (4G°) shows that it is thermodynamically favorable. O Represents a reaction that occurs in one step where a pentavalent chemical species is formed. O The intermediate has lower energy than any transition state. O The formation of the intermediate releases energy and is therefore thermodynamically favourable.