Question

 

(i) Disimylborane

01 Dec 2025
Answer :
Word Count : 236
Disiamylborane is a dialkylborane commonly used in organic synthesis as a selective hydroborating agent. It is derived from the reaction of borane (BH₃) with two equivalents of 2-methyl-2-butyl groups, resulting in a bulky structure that provides high regioselectivity in reactions. Due to its steric hindrance, disiamylborane selectively adds to the less hindered carbon of alkenes during hydroboration, avoiding multiple _________ _________ __________ ________ __________ ___.
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