Given the following reaction sequence, determine the structures of A and B, including proper stereochemistry. Br NaOH A DMSO 1. CH3(CH)3Li В 1. NaH 2. CI- Br 2.
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- Define Carbocation Stability?Stereochemistry.Which is true of a free energy diagram for an SN1 eaction? It shows one transition state. It always shows that the reaction is net exothermic. It never shows intermediates. It always shows that the reaction is net endothermic. It always includes multiple energy barriers.
- 1. Name the given molecules. Use stereochemistry & common names when appropriate: NH2 1.. NH2 OCH2CH3 H₂N NH2 NH2 NH2 NH2 H3C CH3 :ÖRComplete the following: Stereochemistry, enantio-, and regioselectivity are important. CrO3, H2SO4 a) OH Bromination of an alcohol (Sn2) type EtO₂C CO₂Et b) b) d) H3CO type NH2 a) b) H3CO type a) b) OH g) type CN CI h) acetone Swern Oxidation type type CO₂H type Доно i) Me3SICI, Imidazole OSiMe3 Et3N, CH2Cl2 Br type a) Mg°, THF Br j) b); H3O+ H2SO4 (H+) MeOH OMe type typeDraw the organic product of the following reaction. CH3 m-CICgH,CO;H • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If the reaction produces a racemic mixture, just draw one stereoisomer. • If more than one product is possible, only draw the major product. opy aste
- Carbocations are carbons bearing a formal positive charge. a. Carbocations can be stabilized by induction and hyperconjugation. Explain each of these forms of stabilization.Draw the alkene that would react with the reagent given to account for the product formed. ? + + H₂O **** H₂S04 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. CH3 CH3 CHCCH3 | | OH CH3 +1Draw the alkene that would react with the reagent given to account for the product formed. ? + H₂O H₂SO4 CH3 CH3CCH3 OH You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. Sn [F ChemDoodleⓇ
- 2. Explain the selectivity of the following reaction, which produces a single product despite both alkene carbons being equally substituted. H3C CF3 HBr CF3 H3C CF3 H3C Br- H3C only product -H CF3Draw the alkene that would react with the reagent given to account for the product formed. ? + HCI CH3 CH3CCH3 CI • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. #[ ] در ChemDoodleWhat is the major organic product with the correct stereochemistry or geometry?