Question

Ph CM3 if this reaction is based on E2 reaction, explain major and minor products

Answer 1

As of it is already given in the reaction that it is E2 reaction...it means final product will be alkene and hence two alkene will be formed one will be major and other is minor, the H attached to 1 C and Br attached to other C must be anti periplanar for MeO- to abstract proton and leaving ​​​​Br....see image below

Page No. Date : 5150 #CH3 ch o me M onte Br Ph cho Ph CH3 o me - Tome CH3 H CH Hz - CH₂ majare Po Minar To explain make the Newman Projectia- ef steetting campauze. - CH3 ,H Far E Regetian. P and Br- H3 Pn. must be anti periplanar - 2 to each . Tratate Now we can castly - sce that (CH2 are Trans to each other and it is major produce meo che ett3 H naor th CH