已经制备了一系列6-氯-2-取代的-9-[[[3-(二甲基氨基)丙基]氨基] ac啶。with啶衍生物相对于乙锭的结合亲和力和解旋角通过使用ccs-DNA的粘度滴定法确定。在实验误差范围内,结合亲和力是相同的。2.0 X 10(-5)。类似地,除了11°以外,退绕角接近17度。对于11,展开角度(12度)小于其他导数。表观结合常数对取代基作用的一般不敏感性归因于形式电荷对环的掩蔽作用。据信11的较小的退绕角是由于其相对不对称而引起的,从而在插入时产生“楔形”效应。
The intercalation of 6-chloro-2-substituted-9-[[3-(dimethylamino)propyl]amino]acridines with DNA
作者:S. E. Kitchen、Yuehhwa Wang、A. L. Baumstark、W. D. Wilson、David W. Boykin
DOI:10.1021/jm00145a016
日期:1985.7
A series of 6-chloro-2-substituted-9-[[3-(dimethylamino)propyl]amino]acridines has been prepared. The binding affinities and the unwinding angles for the acridine derivatives, relative to ethidium, were determined from viscometric titrations with ccs-DNA. The binding affinities were the same, within experimental error, ca. 2.0 X 10(-5). Similarly, with the exception of 11, the unwinding angles were
已经制备了一系列6-氯-2-取代的-9-[[[3-(二甲基氨基)丙基]氨基] ac啶。with啶衍生物相对于乙锭的结合亲和力和解旋角通过使用ccs-DNA的粘度滴定法确定。在实验误差范围内,结合亲和力是相同的。2.0 X 10(-5)。类似地,除了11°以外,退绕角接近17度。对于11,展开角度(12度)小于其他导数。表观结合常数对取代基作用的一般不敏感性归因于形式电荷对环的掩蔽作用。据信11的较小的退绕角是由于其相对不对称而引起的,从而在插入时产生“楔形”效应。
Antiprion activity of functionalized 9-aminoacridines related to quinacrine
作者:Hanh Thuy Nguyen Thi、Chong-Yew Lee、Kenta Teruya、Wei-Yi Ong、Katsumi Doh-ura、Mei-Lin Go
DOI:10.1016/j.bmc.2008.05.060
日期:2008.7
A library of functionalized 6-chloro-2-methoxy-(N-9-substituted) acridin-9-amines structurally related to quinacrine were synthesized and evaluated for antiprion activity on four different cell models persistently infected with scrapie prion strains (ScN2a, N167, Ch2) or a human disease prion strain (F3). Most of the compounds were distinguished by the side chain attached to 9-amino of the acridine ring. These were dialkylaminoalkyl and phenyl with basic groups on the phenyl ring. The most promising compound was 6-chloro-2-methoxy-N-(4-(4-methylpiperazin-1-yl) phenyl) acridin-9-amine (15) which had submicromolar EC50 values (0.1-0.7 mu M) on all cell models, was able to clear PrPSc at non-toxic concentrations of 1.2-2.5 mu M, and was more active than quinacrine in terms of EC50 values. Other promising compounds were 14 (a regioisomer of 15) and 17 which had a 1-benzylpiperidin-4-yl substituent attached to the 9-amino function. Activity was strongly dependent on the presence of a substituted acridine ring, which in this library comprised 6-chloro-2-methoxy substituents on the acridine ring. The side chains of 14, 15, and 17 have not been previously associated with antiprion activity and are interesting leads for further optimization of antiprion activity. (c) 2008 Elsevier Ltd. All rights reserved.