Synthesis and intestinal metabolism of ursodeoxycholic acid conjugate with an antiinflammatory agent, 5-aminosalicylic acid.

作者: Ashok K. Batta , Sarah Shefer , Guorong Xu , Gerald Salen , G. Stephen Tint

DOI: 10.1016/S0022-2275(20)32193-3

关键词:

摘要: Aminosalicylic acid conjugate of ursodeoxycholic was synthesized in above 90% yield by adding a basic solution 5-aminosalicylic into the mixed anhydride formed with and ethyl chloroformate. The poorly secreted bile deconjugated cholylglycine hydrolase Clostridium perfringens, that deconjugate naturally occurring glycine taurine conju- gates acids. However, 5-amino- salicylic not absorbed from duode- num but concentrated colon wher e it partially hydrolyzed intestinal bacteria to ursodeoxy- cholic acid. We believe this unique conjugation 5-ami- nosalicylic may facilitate transpor t both 5- aminosalicylic be useful for treatment colonic inflamma- tory bowel diseases, ulcerative colitis Crohn's dis- ease.— Batta, A. K., G. S. Tint, Xu, Shefer, Salen. Synthesis metabolism an antiinflammatory agent, J. Lipid. Res. 1998. 39: 1641-1646.

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