GALACTOSYLATED PRO-DRUGS OF NON-STEROIDAL ANTI-INFLAMMATORIES WITH IMPROVED PHARMACOKINETIC CHARACTERISTICS AND REDUCED TOXICITY OF THE STARTING DRUG
申请人:RIMOLI Maria Grazia
公开号:US20110212904A1
公开(公告)日:2011-09-01
Pro-drugs of all non-steroidal anti-inflammatories with free acid function derivatized with an ester group, which have the general structural formula given below (I) where A is: aspirin, diflunisal, benorylate, ibufenac, diclofenac, indomethacin, sulindac, ketorolac, ibuprofen, naproxen, ketoprofen, fenoprofen, flurbiprofen, mefenamic acid, meclof enamic acid, flufenamic acid, niflumic acid, and where in the ester group R can be a sugar (amongst which aldose, or ketose pentose, or esose selected from a group of D- and L-enantioiuers of ribose, glucose, galactose, mannose, arabinose, xilose, allose, altrose, gulose, idose and talose and substituted derivatives thereof, such as glucosamine, galactosamine, N-acetyl glucosamine, N-acetyl galactosamine, N-acetyl ribosamine), a disaccharide, a trisaccharide or an oligosaccharide.
所有具有自由酸功能的非甾体抗炎药的前药,通过酯基团衍生化,具有如下通式(I)的结构,其中A是:阿司匹林,二氟尼撒,贝诺酯,伊布芬酸,双氯芬酸,吲哚美辛,苏林达,酮洛酸,布洛芬,萘普生,酮洛芬,非诺洛芬,氟比洛芬,美芬酸,米洛芬酸,氟芬酸,尼氟酸,而在酯基团中R可以是糖(包括戊糖或己糖,选自D-和L-对映体的核糖、葡萄糖、半乳糖、甘露糖、阿拉伯糖、木糖、阿洛糖、阿糖、古洛糖、艾糖和塔洛糖及其取代衍生物,如葡萄糖胺、半乳糖胺、N-乙酰葡萄糖胺、N-乙酰半乳糖胺、N-乙酰核糖胺),二糖,三糖或低聚糖。