11. Organolithium and Grignard reagents react with O 2 to give hydroperoxides upon hydrolysis. 12. The compound can be obtained by reaction of Grignard reagent II ) ions. 13. Examples include the Collins reagent, Fenton's reagent, and Grignard reagents . 14. In organic synthesis, organolithium reagents and Grignard reagents are commonly regarded as carbanions. 15. Magnesium similarly metalates organohalides to give Grignard reagents . 16. For example, amides and carboxylic acids react with Grignard reagents to produce ketones. 17. The reaction type is an elimination reaction with magnesium forming an intermediate Grignard reagent . 18. It has also been used to transfer the formyl group to a Grignard reagent : 19. Grignard reagents are notorious for having induction periods.20. The compound is prepared by acylation of 2-bromopyridine via the Grignard reagent .
