Choose the best option for the immediate nucleophile precursor to 2-methylbutane. A G LiCu LiCu 2 E BrMg electrophile nucleophile B 2 LiCu D (CH3CH2)2CuLi 2
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- 33) Complete the following reactions H₂ Wilkinson's catalyst H₂ Ni₂B H₂/Pd Lindler catalyst H₂ Li, Liq. NH3, -78 C NH4ClCan you explain the mechanism for this question HO OH H2SO4 cat. H₂OHere is the same figure as in the previous two questions, but omitting the red circles. Cys157 Cys157 Cys157 His296 His296 His296 LOH HN HN HN N? -CO2 CH2 Asn329 Asn329 Asn329- Cys157 His296 LOH HN H HyC. Asn329 Which of the following roles is played by the imidazole side chain of His296? Pick the one best [ Select ] answer.
- 6. Predict the reactant (starting material) for the reaction and propose a mechanism. NaCN SN2 NaOH E2 CN a Ph PhConsider the mechanism for the given nucleophilic substitution reaction. X 2H₂0Identify the most likely intermediate in the mechanism leading to the product. НО НО НО. НО OH OH OH OH eTextbook and Media НО НО. Но OH OH _ОН НО. OH
- What is the reaction condition that could be employed to switch the major process between substitution and elimination mechanisms? O Concentration of the nucleophile/base O Proticity of the solvent O Polarity of the solvent Concentration of the substrate O TemperaturePropose a plausible mechanism for the followng reaction INa, NH3 (liq) 2 NH CIHow might nucleophilic catalysis work?Draw out a possible mechanism.
- ton Draw the mechanism for each reaction ་ 1. он MAJ 2. Ugot 1.-04 2. H₂0 HO Nu HO OH HO 244 S Explain why these reactions produce different products. Reference mechanisms in in your answer. yourWhich of the following nucleophilic substitution reaction will not likely to happen? NH2 + NH2 CH3 SCH3 + CI .CI + CHSCH, H,ö: OH + HI Na* -CN CN + NalBelow is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- Rate = k [CH3CH2Br][CH3COO-] Which mechanism would best fit the data?