!!!! Grignard reagent

====
https://www.chemguide.co.uk/organicprops/haloalkanes/grignard.html @@ Chemguide.co.uk: An introduction to Grignard reagents
https://www.sciencedirect.com/topics/chemistry/grignard-reagent @@ Sciencedirect seacrh: Grignard Reagent