(①LDA,THF,.-78C 9 CHa(CH24 COCH(②CHI CH3(CH2)3CHCOCH3 CH3 5.环酮的氧化 CH3 0 0 CF3COOH HNaOH,CzHsOH CHCH(CH24COH OH 练习 cH,o-〈○cHo·-cH0○cHcN CH3O CHCO2H OH HOCH2(CH2)4COOH HOCH2(CH2)4COOC2H5 5. 环酮的氧化 O CH3 CF3COOH O CH3O CHCN OH CH3O CHO HOCH2(CH2) 4 COOH O O CH3(CH2) 4 COCH3 O (1) LDA, THF, -78°C (2) CH3I CH3(CH2) 3 CHCOCH3 O CH3 O O H CH3 NaOH, C2H5OH H3O + CH3CH(CH2) 4COH OH O CH3O CHCO2H OH HOCH2(CH2) 4 COOC2 H5 练习