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(2)Draw stable conformations for the following compounds b Ph Newmann Project =0 H-OH Me 大 人H Me ph (3)Put the following intermediates in indicated orders. 'QOx○c b MegC.CHg.Me2CH,CHgCHz Stability increasing order.CH3 CHaCH2,Me2CH,MeC. (4)Identify the stereochemical relationships of the following structures (identical,enantiomer,diastereomer). a Dh 6 4 a:Diastereomers b:identical 4.Predict major products for following reactions,and indicate the stereochemistry if optional.(30) 2 2 (2) Draw stable conformations for the following compounds Cl OH Me H Ph O a b Newmann Project Cl O Me H Ph O H (3) Put the following intermediates in indicated orders. a b CH2 + + + Stability increasing order: Me3C. , CH3 . , Me2CH. , CH3CH2 . Stability increasing order: CH2 + + + CH3 . , CH3CH2 . , Me2CH. , Me3C. , (4) Identify the stereochemical relationships of the following structures (identical, enantiomer, diastereomer). H Ph HO Ph H OH a b H Ph HO OH H Ph Cl H H Cl H Cl H Cl a: Diastereomers b: identical 4. Predict major products for following reactions, and indicate the stereochemistry if optional. (30)
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