CH3 CH CH3 CH3 O H3C Haco N—CH HO O O CH OH H3C O OR CH3 H CH 3 Spiramycin I R= H Spiramycin Il R=COCH 3 Spiramycin Ill R= COCH2 CH3
O CH3 OR H3CO H3C O C H O O N CH3 Spiramycin I R = H Spiramycin II CH3 CH3 R = COCH3 Spiramycin III O O CH3 N CH3 H3C O R = COCH2CH3 HO O OH OH CH3 CH3 O
H3C OH CH 3 H3C HO H3c O O O CH 3 OCH 3 O OH CH3 竹桃霉素
O H3 C OH O O H3 C H3 C H3 C O CH3 CH3 O O CH3 OCH3 OH O N H3 C CH3 O CH3 HO 竹桃霉素
CH3 HC H2c HC H3C —CH3 HaC 、HO CH3 OH OCH OCH3 CH3 OH -OH C CH3 泰乐菌素
O O H3C O OH H3C CH3 CH3 HC O O N H3C CH3 HO CH3 O OH CH3 OH CH3 O O O O OCH OCH3 3 HO H3C 泰乐菌素
OH CH3 O HC N—CH3 Haco HO O O C OH CH H3C O OR CH CH3 CH R O CH 交沙霉素
H3CO H3C O OH O O CH3 CH3 OR CH3 OH N H3C CH3 HO O O R = O O CH3 O CH3 CH3 CH3 O HC O 交沙霉素
CH H3C N CH HO—CH NH—CH HO OH SCH OH 林可霉素类抗生素的化学结构
N O CH3 H3 C NH HO CH CH3 O OH CH SCH3 OH HO 林可霉素类抗生素的化学结构