New Amidino-benzimidazolyl Derivatives of Tylosin and Desmycosin.
作者:MARIJANA HRANJEC、KRISTINA STARCEVIC、BRANIMIR ZAMOLA、STJEPAN MUTAK、MARKO DEREK、GRACE KARMINSKI-ZAMOLA
DOI:10.7164/antibiotics.55.308
日期:——
New amidino-benzimidazolyl derivatives of antibiotics tylosin and desmycosin are prepared in the reaction of corresponding amidino-substituted o-phenylendiamine with tylosin respectively desmyicosin on the 20-C aldehyde group. The reaction was carried out in absolute ethanol in the presence of p-benzoquinone. On this way are prepared: 20-[5-(N-isopropylamidino)-2-benzimidazolyl]tylosin hydrochloride 9, 20-[5-(2-imidazolinyl)-2-benzimidazolyl]tylosin hydrochloride 10, 20-[5-(N-morpholinylamidino)-2-benzimidazolyl] tylosin hydrochloride 11, 20-[5-(N-isopropylamidino)-2-benzimidazolyl]desmycosin hydrochloride 12, 20-[5-(2-imidazolinyl)-2-benzimidazolyl]desmycosin hydrochloride 13, 20-[5-(N-morpholinylamidino)-2-benzimidazolyl]desmycosin hydrochloride 14. Their antimicrobial activity was tested on a series of microorganisms.
新型胍基苯并咪唑衍生物的抗生素酮霉素和去甲霉素是通过相应的胍基取代的邻苯二胺与酮霉素或去甲霉素在20-C醛基的反应制备的。该反应在无水乙醇中,在对苯醌的存在下进行。通过这种方法制备了:20-[5-(N-异丙胍基)-2-苯并咪唑基]酮霉素盐酸盐 9,20-[5-(2-咪唑啉基)-2-苯并咪唑基]酮霉素盐酸盐 10,20-[5-(N-吗啉基胍基)-2-苯并咪唑基]酮霉素盐酸盐 11,20-[5-(N-异丙胍基)-2-苯并咪唑基]去甲霉素盐酸盐 12,20-[5-(2-咪唑啉基)-2-苯并咪唑基]去甲霉素盐酸盐 13,20-[5-(N-吗啉基胍基)-2-苯并咪唑基]去甲霉素盐酸盐 14。对其抗微生物活性进行了测试,测试了一系列微生物。