Question

3. Draw the Newmann projection of the following compound with C1 at front and C2 at the back. (2 pts.) Br 1111||I CH2CH3 H3CMC H

Answer 1

.. وم- To get the new mann projection of the mistecule, we look the molecule from along the axis front to back) and represent the fornt carton G by dot and back carbone by circle. The configuration of the configuration of the carbons do Clie.

not change. Br Iron (ا ) 1 ċ Hz.et3 CH3 CH2 look H CH₂ H. Sco H₂C!..Cz 94 H By s- configuration (Gr> A > 4+*,293 > CH3 gives anticlockwise rotation) eclipse-conformation newmanin projection It CH3 new mann < (3) CH₂ CH₂ 14 Come projection) 7 Br H staggered conformation more stable, 2.