Question

2. Which of the following compounds would successfully be made into a Br O=C-H Học-cc-NH H-C=C-CH_Br

Answer 1

Grignard Reagents) R-MgX. -^ dry ether Grignard Reagent tormed in dry ether which is polar abrotic solvent. So the molecule R-X must not contain and groups like -on , -N-H which can create polar protic medium and destroy R-MGx. In polar protic medium the R-Msx can not survive. formed Å Myx Ro act as Nucleophile so he group R must not have any electrophilic center which also destroy Rmgx-like -cho, -co ere Mga so e my ether mg mg dryether Grignard Reagent (G ~ Grignard Reagent (G.R.) so Not Pro electrice angbr my mg So dogether Not Productive RMgX otn . non polar protic group 1. Grignard Reagent Can't be formed BI Mg By mg Dry ether

mg Dryether Grignard Reagent ch3 C-cum ng - - Polar broke sroub so 2 u Non Not hy polar protic group so Grignard Reagent formation. mg HCc-CM2 Br > Dryether H-c²c-coma Bor Lng CEC-CRB Abstraction of Heidicho Alkyne So Mo hrignard Reagent Jormation