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布洛芬糖衍生物的合成 被引量:14

Synthesis of(±)ibuprofen sugar derivatives
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摘要 目的 为了降低布洛芬的胃肠损伤副作用 ,提高其抗炎活性 ,本文合成了若干布洛芬糖衍生物。方法采用 1,2∶3 ,4 二缩酮 半乳糖 ,1,3 ,4,5 四 O 乙酰基 2 去氧 2 氨基 葡萄糖 ,3 ,4,6 三 O 乙酰基 2 去氧 2 N 乙酰基 葡糖胺和 2 ,3 ,6,2′ ,3′ ,4′ ,6′ 七 O 乙酰基 乳糖胺作为糖基供体 ,分别与 2 (对异丁基苯基 ) 丙酰氯 1进行偶联 ,最后脱去糖环上的保护基得到了目标化合物 6 (半乳糖基 O) (± )布洛芬 4,2 [2 去氧 2 氨基 葡糖基 ] (± )布洛芬 7,1 [2 去氧 2 N 乙酰基 β D 葡糖氨基 ] (-)布洛芬 12a ,1 [2 去氧 2 N 乙酰基 β D 葡糖氨基 ] (+ )布洛芬 12b和 1 (β 乳糖氨基 ) (± )布洛芬 13。结果 共合成了 5个新化合物 (4,7,12a ,12b ,13 ) ,利用1HNMR ,13 CNMR ,HMQC ,COSY ,IR和MS对化合物进行了结构确证 ,并测定了目标化合物的抗炎活性。结论 化合物 Aim (±) Ibuprofen sugar derivatives were prepared in order to decrease side-effect s and increase bioavailability of (±) ibuprofen. Methods The synthesis of derivatives were performed using 1,2∶3,4-di-O-isopropyl idene-β-D-galactopyranose, 1,3,4,5-tetra-O-acetyl-2-deoxy-2-a mino-β-D-gluctopyranose, 3,4,6-tri-O-acetyl-2-deoxy-2-N- acetyl-β-D-gluctosylamine and 2,3,6,2′,3′,4′,6′-hepta-O-acety l-β-D-lactosylamine as glycosyl donors, respectively. Target products ( 4, 7, 12a, 12b, 13) were obtained after deprotec tion. Results Five compounds (4, 7, 12a, 12b, 13) were synthesized as new comp ounds. The structures of all objective compounds were confirmed by 1HNMR , 13 CNMR , HMQC, COSY, IR and MS. Conclusion It was found that 12a showed better anti-inflammatory activity th an (±) ibuprofen.
出处 《药学学报》 CAS CSCD 北大核心 2004年第2期105-109,共5页 Acta Pharmaceutica Sinica
关键词 布洛芬 糖衍生物 抗炎活性 前药 (±)ibuprofen sugar derivative anti-inflammatory prodrug
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