Question
choose the correct answer
44. What is the major produc of thies reaction CH,CO H A) Ph ) Ph ( Ph H-Br Ph Ph (D) A 1:1 misture of (B) and (C) 45. Whichreaction sequence would Br provide the highest yield of I-bromo-2-methy lcycloheranc 1. BH3 HBr 3. PBry 1. BH3 CC4 2. H20 Nab 3, PBr 46. Consider the additioe of HBr to 12-2-chioro-2 bulene Whal as the siructure of the intermediake formed duriag he courss of this reaction? A) Ci C CH3 H CHs Br CI CH 47, Which pusition seacts most rapidly ender Friedel-Crafts acylation conditioss? Br
Explanation / Answer
44. A
45. D
46. B
47. A