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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 NH4ClIn the mechanism for the nitration of benzene, what step follows the formation of the nitronium ion (NO2*)? benzene attacks the nitronium ion to give a sigma complex O benzene is protonated by nitric acid to give a sigma complex the sigma complex is deprotonated, thereby restoring aromaticity a leaving group is ejected, thereby restoring aromaticityHow many acid-base steps occur in this mechanism? :OH fö OH ₂ H CI: -H₂O (C5H12O) (CsH3O*) :CI: :CI:- yox (C5H1*) (C5H₁1CI)
- Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OHComplete the following reactions schemes by drawing the messing intermediate/products: SeO2 i) Ethanol H* ii) H20 OH HỎ OH 1) 4 equivqalents of H2/ Pd iii) 2) KMNO,/H* O3 iv) Zn Ag,O/ H2O excess Mel K,CO3 Нeat v) CH3Describe the mechanism of the following reaction. 1) H2N NH2 (excess) SH SH `CO2H AcO 2) КОН 3) H +
- Identify the major organic product and provide a plausible mechanism (curved arrows) for the following reaction. In your mechanism, you should include any resonance structures that may help to stabilise the reaction intermediate. CI ZI MeCN (Solvent) ?Give the mechanism for the following 2 interactions:6. Predict the reactant (starting material) for the reaction and propose a mechanism. NaCN SN2 NaOH E2 CN a Ph Ph