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首页> 外文期刊>The Journal of Antibiotics: An International Journal >A New Class of Semisynthetic Anthracycline Glycoside Antibiotics Incorporating a Squaric Acid Moiety
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A New Class of Semisynthetic Anthracycline Glycoside Antibiotics Incorporating a Squaric Acid Moiety

机译:新型半合成蒽环类糖苷类抗生素,结合了方酸部分

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摘要

Treatment of the squaric acid amide esters(7,9)of anthracycline glycoside antibiotics with aliphatic and aromatic primary and secondary amines,amino acids,peptides and aminodeoxy sugars furnished the new asymmetric diamides 16-19,25-30,32,34 and 38-40 in stereoselective reactions which do not require protecting group-manipulations.The IC_(50)=0.12 muM value measured for daunorubicin(1)on human leukemia(HL-60)cells is comparable to those obtained for the daunomycin-L-leucyl squaric acid diamide(30,IC_(50)=0.18 muM)and the corresponding D-galactosamine derivative(40,IC_(50)=0.22
机译:用脂肪族和芳香族伯和仲胺,氨基酸,肽和氨基脱氧糖处理蒽环类抗生素抗生素的方酸酰胺酯(7,9),提供了新的不对称双酰胺16-19、25-30、32、34和38在不需要保护基团操纵的立体选择性反应中为-40。柔红霉素(1)在人白血病(HL-60)细胞上测得的IC_(50)= 0.12μM值与从道诺霉素L-亮氨酰上获得的IC_(50)相当方酸二酰胺(30,IC_(50)= 0.18μM)和相应的D-半乳糖胺衍生物(40,IC_(50)= 0.22

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