习题 7-20 完成下列反应,写出主要产物。-|||-(i) -(C)_(6)(H)_(13)C(H)_(2)OHxrightarrow [(H)^+](KMn{O)_(4)}-|||-(ii) -CH2OH KMnO4,H2O-|||-CH3-|||-(iii) .(H)_(3)CH=CHoverset (1)(C)=CHC(H)_(2)OHxrightarrow [(160)^circ C](Mn{O)_(2)}-|||-H3C OH-|||-(iv) H3CHC=C-CHCH3 MnO2-|||-戊烷,25°C-|||-H-|||-(v) OH Na2Cr2O7,H2SO4-|||-CH3 H2O,C6H6,CH3COOH,10°C-|||-(vi) HO- -OH CrO3,H2SO4-|||-H2O,CH2Cl2, -(5sim {0)^circ C}-|||-(vii) equiv CC(H)_(2)OHxrightarrow [(H)_(2)O,(25)^circ C](Cr{O)_(3),(H)_(2)S(O)_(4)}习题 7-20 完成下列反应,写出主要产物。-|||-(i) -(C)_(6)(H)_(13)C(H)_(2)OHxrightarrow [(H)^+](KMn{O)_(4)}-|||-(ii) -CH2OH KMnO4,H2O-|||-CH3-|||-(iii) .(H)_(3)CH=CHoverset (1)(C)=CHC(H)_(2)OHxrightarrow [(160)^circ C](Mn{O)_(2)}-|||-H3C OH-|||-(iv) H3CHC=C-CHCH3 MnO2-|||-戊烷,25°C-|||-H-|||-(v) OH Na2Cr2O7,H2SO4-|||-CH3 H2O,C6H6,CH3COOH,10°C-|||-(vi) HO- -OH CrO3,H2SO4-|||-H2O,CH2Cl2, -(5sim {0)^circ C}-|||-(vii) equiv CC(H)_(2)OHxrightarrow [(H)_(2)O,(25)^circ C](Cr{O)_(3),(H)_(2)S(O)_(4)}