Question

CH3-C(CH3)=CH2合成CH2=C(CH3)-COOH

Answer 1

CH3-C(CH3)=CH2+Br2 → CH3-CBr(CH3)CH2Br

CH3-CBr(CH3)CH2Br+2NaOH→CH3-C(CH3)OHCH2OH+2NaBr

CH3-C(CH3)OHCH2OH【高锰酸钾氧化】→CH3-C(CH3)OHCOOH

【因为中间的醇是叔醇,无α氢原子,难以被氧化】

CH3-C(CH3)OHCOOH【浓硫酸消去】→CH2=C(CH3)-COOH+H2O