Question

Electrophilic Addition of Carbenes to Neves 4. Complete the following reactions by providing bond line structures the products are formed as mixtures of copiewaliopal isomers, prode bo r d each isomer. Use dashed and wedped bonds to represent the configuration of Chical cente CH2l2 (CH3CH2) NaOH a & CHCI + CHCI Chych CH2Cl2 CH2N2

Answer 1

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1) This is an example of Simmons- Smith Reaction In cug adds to alkene to form cyclopuopane, CHg Ig (CH₂ H 2 g Zn NaOH + Chaz CH₂Cl2 L D Carbene. 4 1169 is good Leaviy Group shot alone os CHg) Cambene. ha MPBA MCPBA It is an epoxidation reaction Epeoxide will give nasant oxygen which will attach with alkene,

Mechanism & va Reaurange it ..CH3 y ſo to D 14 ór y Product .