7£®
CH3CHCH2OHCH3+H2SO4CH3CHCH2OH2CH3+H2OCH3CHCH2ÖØÅÅHǨÒÆCH3+CH3CCH3CH3
+ 8£®
£«CH3CCH3CH3H+C(CH3)3H+C(CH3)2
CCH2H+CH3CCH3PhCCH2¼Ó³É£«CH3CH3+H3CCH3CCH2+CPh CH3H3C+CH3H+H3CH3CCH3Ph
9£®
HPhCH3
CH3CH2CH2Br+AlBr3AlBr4CH3CH2CH2++ÖØÅÅCH3CHCH3+
£«CH3CHCH3CH(CH3)2HH+CH(CH3)2