Problem: Select the major product formed in the reaction shown below. 2-Phenylthiophene  a) A                                                                                       b) B                                                                                       c) C                                                                                       d) D

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SnCl4 + acid chloride + aromatic ring → EAS Friedel-Craft Acylation

  • In this case, we have two rings that will compete where EAS will happen
  • EAS will occur to the ring that has the more activating substituent

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Problem Details

Select the major product formed in the reaction shown below. 

2-Phenylthiophene  a) A

                                                                                       b) B

                                                                                       c) C

                                                                                       d) D


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