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GK QUESTION#3488

Who discovered that diborane reacts with aldehydes and ketones to produce dialkoxyboranes, which are hydrolysed by water to produce alcohols?

  1. AHC BrownCorrect answer
  2. BHugo Rudolph Kruyt
  3. CArthur Stoll
  4. DArne Tiselius
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Answer

A. HC Brown

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Explanation

Herbert C. Brown’s Nobel lecture describes his investigations showing that simple aldehydes and ketones react with diborane to give dialkoxyboranes, which can be hydrolysed to the corresponding alcohols. This identifies the researcher and transformation; it is distinct from merely naming the 1979 Nobel laureate.

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