Question

Write the major elimination product(s) of the following reactions. State whether E1, E2, or E1cB. Clearly show all stereochemistry.

IL Write the major elimination produs Clearly show all stereochemistry the major elimination product(s) of the following reactions. State whether El, E2, or ElcB -CH.CH,Br (CH), (CH),COH (CH),c8 (CH),COH H-C- (CH),c8 (CH),COH CH.CH, (CH),c8 (CHOOH (CH),08 (CH),COH (CH), (CH3),COH (CH), 8 (CH),COH (CH,),c8 (CH),COH H,COTS YCH, (CH),08 (CH3),COH HC (CH),08 (CH3),COH (CH),8 (CH), COH

Answer 1

be -Cha By (chyby.com, (CM3]z con fa aelimination Product reachon = - ((13) ₃Col is strong and bulky base so gives E2 elimination reaction and due to its bulky nature remove H from less substituted site- Cnsbac8, D= ② a ona [Chalecon fa-elimation (CH3)g.com CY с #CEC (CM3),con 'M-CECJI &2 elimination @ In Ez elimination H and Brmust be anti to each other or less substituted it on ong (cm3)2( m e anz tonn (CM3),con L Product 62 - elimination -CN3 .ch3 cms).COM Ez-elimination

(cnico (Chalecon Ez-elimination s out of a (Cng.com (ons)zcon Ez elimination Chalecos w Chycoon Az-elimination (CM33.co (CH)g con hz-elimination, (i) che ois (CM3)3Coo Cha. (Сп,),ой 22-elimination A BY (CH3)2C prochet (ne)zcon Ra elimination.

OTS No Reaction (CM3) 3 CO - (Chy, on =) (CH3) Coo gives alkene by removal of ß Hydrogen here both BH at bridgehead position but according to. Breath rule No cac can form at bridgehead position. So No Reaction occur