N alkylation at sp3 carbon Reagents Full review Mitsunobu Carbonyldiimidazole (CDI) Alkylation with functionalised alkanes - Alkyl halides / Alkyl sulfonates/ Alkyl flurosulfonate, Avoiding over alkylation, Ammonia substitutes Phase transfer catalysis Carbonates Direct Alcohol activation Catalytic asymmetric allylic amination Epoxides and aziridines Light touch review C-H activation