Multiple choice

The reagent used for adding water to a terminal alkyne is

  1. Azobisisobutyronitrile

  2. 2,2'-Dipyridyldisulphide

  3. Disiamylborane

  4. Eschenmoser's salt
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Disiamylborane is an organoborane used in organic synthesis to add water to a terminal alkyne, forming an aldehyde via anti-Markovnikov addition. Disiamylborane is relatively unreactive and will not react with triple-bonded carbons that are not at the terminal position.

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