Question

5. Predict the major product(s) for each of the reactions shown below. NBS hv Mg (1) Chance CH,CH.CH,CI ether -CHI. CHỊ Li, pentane C-H15Br Cul ether (111) HC CH2CH3 Pd(PPh34 -B + - --CH3 CaCO3 THF (iv) Had 6. Fill the reagents to carry out the following conversion. canoa-oh-oh

Answer 1

NBS Br Mechansm: - hv Br taeo poten from dy poxion Nas The's ezample wohl- Zegler neaclin MA CH3 CHCMAC CH3 CH2 CH2 Ether thealet when we in e thep presence of is formed

n-csHI Pen teone H cenT BA Accoclin m-C6H m-csH CH3 CH3 .pentane CuI 2 Gailman neagent oeidalive oddition C7HIsBh n CsH CH 3 |mcsHi CH3 Ce-S CaHis Pendercbeve climintrion neadhon Elman neaeten 2md

IV CH3 CH2CH3 pd (pphss он Caco3 CH3 THE Reaeton meeha nism CHаенз CH2CHS pph3 Pd (Pph3) -cH3 CH3 Pel Co.cos THF PPh3 ocidative Odilstion CH3 OH OH CH3 CH2 CH2CH .CH2CH3 pededive ppha CH3 etls limenalen CHs PPhs OCH Stabeek caruphiny Theis heacleon

OH CH3 CH3 Br CH3 CH's Readtion mechan'sn BH2 B2 H CH3 CH3 tynaleon acleón -BH2 aded's dpobo on Seebshi feeted centhe be ecuse in this less ee pate , wkieh chanye shabile'sed b+ heaction 2ffecp stabte OH BH2 H202 CH3 CHS NaoH Ts C CH3 CH3

Br OT S CH3 /ther CH3 CH3 Br CH3 CH3 2