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19 Nov 2019
16. Which reaction would give the alkene? a) Butyl acetylene + HBr(1 eq.) b) Methyl acetylene + Br: (2 eq.) c) 2,2-Dibromopentane + NaOCHs (excess) d) Pent-2-yne + HC/H:0 17. Which of reactions below does not involve(s) an enol intermediate? a) oxymercuration-demercuration on 1-pentyne b) bromination of 2-pentyne c) acid-cat. hydration on 1-pentyne d) hydroboration on 2-pentyne 18. What is the major product of the following reaction? CH3C CH HC exces A) ci CH3CH2CFH ci B) Cl C) CH3CH-CH-CI D) CH3C CH2 cl E) CH3C=CH cl ci
16. Which reaction would give the alkene? a) Butyl acetylene + HBr(1 eq.) b) Methyl acetylene + Br: (2 eq.) c) 2,2-Dibromopentane + NaOCHs (excess) d) Pent-2-yne + HC/H:0 17. Which of reactions below does not involve(s) an enol intermediate? a) oxymercuration-demercuration on 1-pentyne b) bromination of 2-pentyne c) acid-cat. hydration on 1-pentyne d) hydroboration on 2-pentyne 18. What is the major product of the following reaction? CH3C CH HC exces A) ci CH3CH2CFH ci B) Cl C) CH3CH-CH-CI D) CH3C CH2 cl E) CH3C=CH cl ci
Reid WolffLv2
15 Oct 2019