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- What happens in the rate-limiting step of the reaction? a) The bromide ion detaches from the alkyl halide and a carbocation intermediate is formed b) Ethanol attacks the alkyl halide carbon and replaces the leaving group c) The speed-limiting step is unknown d) Ethanol is associated with a carbocation1) Draw the structure of the alkene product for the E2 elimination reaction shown below. 1)a 2)b 3)c 4)d 5)eOn a scrap piece of paper, draw the curved arrow mechanism for the following reaction. Once you have determined the major product, draw it in the space below. 1) PhLi 2) H₂O 8 [In TI H C ZO N 0 S Marvin JS by ChemAxon LL F P CI ଏ Br
- Determine a stepwise mechanism for the following reaction that illustrates why two substitution products are formed. Explain why 1-bromohex-2-ene reacts rapidly with a weak nucleophile (CH3OH) under Syl reaction conditions, even though it is a 1° alkyl halide. 1-bromohex-2-ene Part 1: Br CH₂OH The first step in the reaction proceeds according to which mechanism? CH₂CH₂CH₂CH=CHCH₂ + CH₂OH CH₂CH₂CH₂CH: Part 2: Br CHCH₂ Draw the missing resonance contributor. OCH3 + CH3CH₂CH₂CH=CHCH₂ CH3CH₂CH₂CH=CH-CH₂ + Br Br OCH 3 H₂CH₂CH₂CH=CH₂ view structure + + Br HBr XDetermine the major product of the reaction shown in the box د b C A B C NaBH CH₂OH Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. d D OH OH B ON OH C b DFill in the missing structure(s) for the reaction pathways shown below. Provide allstarting material(s), reagent(s), or product(s). If more than one product can be formed,draw all major products. If more than one starting material or reagent is possible, writeall starting materials and reagents.
- Draw three additional resonance structures for the anion shown below. Draw the structural formula for the following the compound: (E)-(5,6-dimethyloct-3-en-3-yl) benzeneThree reactions between a Grignard reagent and a carbonyl compound are given. Draw the main organic product for each reaction and indicate if H+ or H¯ is needed to complete each reaction. The starting material structures are provided in the answer fields as a starting point for your drawings. The first reaction involves a ketone. 1. CH₂MgBr 2. H+ or H™? Select Draw / |||||| C Rings O More EraseDRAW a stepwise reaction mechanism for this reaction. NO₂ -N3 C c 03, NaHCO3, CH2C12/MeOH. then Ac20, Et3N NO₂
