Butyllithium

Butyllithium may refer to one of 5 isomeric organolithium reagents of which 3 are commonly used in chemical synthesis:

  • n-Butyllithium, abbreviated BuLi or nBuLi
  • sec-Butyllithium, abbreviated sec-BuLi or sBuLi, has 2 stereoisomers, but is commonly used as racemate
  • isobutyllithium
  • tert-Butyllithium, abbreviated tert-BuLi or tBuLi
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