· NaBH₄/ NaCNBH₃
· Borane (BH₃)
· Alcohol
→ Aldehyde → Ketone → Carboxylic acid· Nitrile / Amide
→ Carboxylic acid· n-BuLi / t-BuLi
· LDA
· Grignard Reaction
· H₂- Pd/C
- Hydrogenation - Deprotection· Raney Ni
· Suzuki Reaction
· Ullmann Reaction
· Carboxylic acid to Esters