(2)CH3CH2OHCrO吡啶HBr3CH3CH2BrCH3CHO3Mg干醚CH3CH2MgBr[O]H3O+CH3CH2CH(OH)CH3CH3CH2COCHPCl33C6H6+Br2FeBr[O]C6H5BrCH3COOHMg干醚+C6H5MgBr(C6H5)3PBr2CH3CH2OH(C6H5)3PC2H5OHH+CH3COOC2H5C2H5ONa(C6H5)3PCHCOOCPCH2CH2COCH32H5BrCH2COOC2H5CH3CH2C(CH3)=CHCOOC2H5
(3)(2)同 的方法合成C6H6(C6H5)3PAlCl+-3+CH3CH2Cl(H5C6)3PC6H5CH2CH33NBSC6H5CH(Br)CHCC6H5CH3(C6H5)3P3C2H5ONaCC6H5CH3COCH(H3C)2CCH3(4)C2H5OH[O]SOCl2
CH3COOHCH3COClOHCH3NaBHH2O4O(C5H5)2Fe+CH3COClFeCCHFeCH3-H2OH△+CHFeCH2
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