(2) ooo H3CC 一CH2COOH ()HOC(CH2)4CNHCH (S)CHCHCHCOOH COOH CH2OH (8) CH2OH CHOH bRooch CH2OH 4.完成下列转化O O O (1) (2) H3CC CH2COOH O (6) COOH COOH (7) CH2OH (8) C O O (9) CH2OH CHOH CH2OH + 3RCOOCH (10) C N H O HOC(CH2)4CNHC6H5 O O (3) (4) HOOC O O (5)CH3CH2CH2COOH 4. 完成下列转化：