Reactions of Aldehydes and Ketones

A ________ group is introduced into a molecule by chemical modification of a functional group in order to obtain chemoselectivity in a subsequent chemical reaction.

One 1 2 3 4 5 6 7 8 9 10
Two 11 12 13 14 15 16 17
Three 18 19 20 21 22 23 24
Four 25 26 27 28 29 30 31 32 33
  
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