Question

有机化学，怎么制备阿？

Answer 1

CH2=CH2 → CH3CH2Cl → CH3CH2MgCl(格氏试剂)
CH2=CH2 → CH3CH2OH → CH3CHO
CH3CHO + CH3CH2MgCl → CH3CH2CH(OH)CH3

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谢谢

Answer 2

CH2=CH2+H2O—C2H5-OH,,，——CH3CHO
CH2=CH2+HBr—CH3CH2Br,,，+Mg——CH3CH2MgBr格式试剂
，，，CH3CHO+CH3CH2MgBr-H2O- —— 2-丁醇

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