1，4-二恶烷+Br20℃Br80%400（产率不定）I2,HgOCH,0℃70%
O O Br + Br2 1，4-二口恶烷 0 o C 80% O O Cl Cl O Cl + Cl 2 -40 o C + （产率不定） S S I C6 H6 ,0 o C I2 ,HgO 70%
BrBBr,EtOH,0oCBrBr0(mol)SO,Cl2,Et,O,0c80%
N H N H Br Br Br Br N H Cl 80%
(4)Fridel-CraftsAcylationandAlkylation150~200℃Ac0+COCH3一CH:COCOCH3
(4) Fridel-Crafts Acylation and Alkylation N H N H COCH3 N H CH3 CO COCH3 + Ac2O 150~200 o C
(5)SpecialPropertiesofPyrroleH20+KOH(s)0甲苯1K* + CHsCOCINI-CCHs + KCI100℃70%
(5) Special Properties of Pyrrole N H + KOH(s) N K + H2 O N K + C6 H5 COCl 甲苯 100 o C N CC6 H5 + KCl O 70%
T-MgX + CH3I3+MgXI-CH325%KOHCHCl3+CHOHHN2XCH-OH-HONaOAcN= N-C6H5
N MgX + CH3 I N CH3 + MgXI N H N H CHO + CHCl 3 25%KOH N H N H N N C6H5 N2 X - + C2 H5 OH H2 O NaOAc