Question

Using methyl iodide, CH₃I,and sodium acetylide, as the sources of carbon atoms, show how to synthesize meso-2,3-dibromobutane. You may use any other needed reagents or solvents, provided they do not supply carbon atoms to the final product. About five steps are required. Please write out the formulas of the reagents.

Answer 1

Step- Sodium so acetylice can function as a gives sol reaction with CHz I nucleophile H-C= (- CH₂ it wal step? Deprotonation using Naude ( Liqnas. Sa aking a CE C-CH? z e-CH I uq, Nowy reaction with Now a gom substitution -CC voor ec-cu ze & Wal

stept - Reduction using na (Nitz. trans- alleyne to will reduce Nant (H3 allene . Na -i=c-Cl 3 it in steps addition. arti gives . Bra Hal gives on anti addition Trans allene compound meso Challa Meso