Question

6. Predict the correct product for each of the following reactions. H30, H, HgSO4 NaBH4 excess CHOH, H+ واAC لها 1. Cl حلول 2. NaBH (CH, CH2)2NH, H* (MCPBA)

Predict the correct product for each of the following reactions.

Please be legible. Thank you so much!

Answer 1

> H₂O,Ht, HgSO4 Mercurium ion. J In first step mercwly addo on alkyne. Di] Jo 2nd shep water adds on more substituted site. & cyclic mercusium ion gets open. H₂O: Hg H₂O: OH Enol form stomerisation. OH lass of mercurio keto form, Enol form on ſ tauto merisation Keto form L oves clou, , excess CH30H, H+ 7 In first step corbonyl oxygen gets protonated by Ht.

Now , CH30H attacks on protonated carbony! nated carbonyl group OH lone pair of oH abstracts. proton from protonated ether oxygen af gef convert in good leaving group. Ovo -OCH₃ CH₃OH OCH₃ CH₃ "S Now, 200 ed of CH₂OH adds an loss of H₂O done. T OCH₃ finally H2O I H₂ö: abstracts prolonha & we get ketal as final product. OCH 3 Final Product. (CH₂CH2)2NH ,H+ In this reaction , we get imine formed from ketone & Pecondary amine in acidic medium. in First step carbonyl oxygen gets potonated by wt.

Now in and grep, 20 amine attacks on carbonyla protonated OH HOW CHACHA 7 сносна | + (CHẠcHa), NH Lonepair of oth abstracts proton good leaving group | from amine & becomes CH₂CH3)2 Ho CN CCH₂ CH3)2 O Imine, lone pair of nitrogen causes removal of H2O & we get imine. NaBH4 NaBH4 is mild reducing agent & it selectively reduces only aldehydes & ketones & not double bond. & HB-H B

o Jahr, Alla 2] Na BH24 In the frost geaction F.C. acylation is done. ai ---AlCl3 il q n - i + AlCl3 = Electrophele generated on presence of Jewis acid All io + Årcia Electrophile, Eriti e to Now in and reaction reduction of ketone alcohol done by na Brly. NaBhu

MCPBA This is Baeyer - Velligeo rearrangement reachjon. In this ketone is converted into ester by using peracide. Let's see mech. mCPBA attacks on ketone. BOLCI I Proton transfer. More substituted group migrates faster. So we get our product t Hoofoo la o final product