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Author Question: Which sequence of reagents is best to accomplish the following transformation? 1.KOH followed by ... (Read 43 times)

Redwolflake15

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on: Aug 23, 2018
Which sequence of reagents is best to accomplish the following transformation?
 
  1.KOH followed by BD3/THF
  2.KOH followed by NaBH4
  3.Mg/ether followed by D2O
  4.Li/pentane followed by D2/CuI
  5.NaNH2 followed by D2/Pd

Question 2

What is the best reagent to carry out the transformation below?
   
  1.PBr3
  2.HBr/ether
  3.NBS/hv/CCl4
  4.Br2/hv
  5.NBS/H2O/DMSO

Question 3

What is the best reagent to carry out the transformation below?
 
  1.PBr3
  2.HBr
  3.NBS/hv/CCl4
  4.Br2/hv
  5.NBS/H2O/DMSO

Question 4

Which of the following radicals is expected to be the least selective?
  1.HO
  2.F
  3.Cl
  4.Br
  5.I


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xoxo123

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Reply #1 on: Aug 23, 2018
Answer to Question 1

3

Answer to Question 2

2

Answer to Question 3

3

Answer to Question 4

2


Redwolflake15

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  • Posts: 569
Reply 2 on: Aug 23, 2018
Thanks for the timely response, appreciate it

cassie_ragen

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  • Posts: 347
Reply 3 on: Yesterday
Excellent

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