e HCl (1)H2N(H2C)4 coo H2N(H2C)4C COOH (2)HoOC(H2C)2—C e NaOH HOOC(CH2)2 COo NH Fe+HCl (3) NH2 (4)CH3 CH2CH2CONH CI2NaOH CHCHCHCHNH nANcE (5) CH3 CH2CHCOOH NaNO2 H2O CH2 CHCOOH NoH (7)CH3 OH+POCl3 PO(OCH3)3 NaoH H,O (8)CH3 CH2,P(OCH3) CHaCH,CH P(OH) 6.实现下列转变(1) H H2N(H2C)4 C NH3 COO HCl H H2N(H2C)4 C NH3 COOH (2) H HOOC(H2C)2 C NH3 COO NaOH H HOOC(CH2)2 C NH2 COO (3) NO2 NO2 Fe+HCl NO2 NH2 (4) CH3CH2CH2CONH2 Cl2 NaOH CH3CH2CH2CH2NH2 N NCl + OH CH3 O CH3 (5) CH2CHCOOH NH2 NaNO2 H2O (6) (7) CH3OH+POCl3 (8) CH3CH2CH2P(OCH3)2 NaOH H2O CH2CHCOOH N2OH PO(OCH3)3 CH3CH2CH2P(OH)2 6. 实现下列转变：