Question

Draw the Major alkene product and minor where indicated. Show the correct alkene geometry and/or absolute configuration at carbon stereocenters. (Follow side instructions as asked like on D and E).

1. (24pts) In the empty boxes, draw the structure of the MAJOR alkene product expected following each E2 reaction. Where indicated, also draw the minor alkene(s) formed. Also, show the correct akene geometry and/or absolute configuration at carbon stereocenters present in any of the products expected. Follow any additional instruction provided below. (3pts for each correct product indicated) Br, CH, N - (a) major alkene major alkene minor alkene Nao- major alkene minor alkene minor alkene H Br NaH (d) н, со (D = deuterium) Draw major alkene in bond-line form. Show alkene geometry clearly maior alkene (e) Br NaOEt Draw major alkene in bond-line form. Show alkene stereochemistry clearly using appropriate Dash/Wedge notation at any stereocenters present in the product major alkene

Answer 1

BACH major H1 Base Br b NaoMe Mon voyage :>= 2.2 major trans alkene minor cis alkene NaOtBu major trans alkene minor cis alkene minor cis alkene CH3 LH H Br rotate - H2C! IYI H3C LD Base candy see j oy Base Major alkene