Synthesis, Structure−Activity Relationships, and RARγ−Ligand Interactions of Nitrogen Heteroarotinoids
作者:Arindam Dhar、Shengquan Liu、Jozef Klucik、K. Darrell Berlin、Matora M. Madler、Shennan Lu、R. Todd Ivey、David Zacheis、Chad W. Brown、E. C. Nelson、Paul J. Birckbichler、Doris M. Benbrook
DOI:10.1021/jm9900974
日期:1999.9.1
Three heteroarotinoids containing a nitrogen atom in the first ring and a C-O linking group between the two aryl rings were synthesized and evaluated for RAR and RXR retinoid receptor transactivation, tumor cell growth inhibition, and transglutaminase (TGase) induction. Ethyl 4-(N,4,4-trimethyl-1,2,3,4-tetrahydroquinolinyl)benzoate (1) contained an N-CH(3) group and activated all retinoid receptors
合成了在第一个环中含有一个氮原子,在两个芳基环之间具有一个CO连接基团的三个杂芳烃类化合物,并评估了RAR和RXR类维生素A受体的反式激活,肿瘤细胞生长抑制和转谷氨酰胺酶(TGase)的诱导。4-(N,4,4-三甲基-1,2,3,4-四氢喹啉基)苯甲酸乙酯(1)含有N-CH(3)基团,并且活化了所有类视黄醇受体(RARgamma除外)。用类似物4-(N,4,4,7-四甲基-1,2,3,4-四氢喹啉-6-酰氧基)苯甲酸乙酯(2)[添加7-甲基]和乙基4增加环周围的疏水性-(4,4-二甲基-N-异丙基-1,2,3,4-四氢喹啉-6-酰氧基)苯甲酸酯(3)[C-4处的NCH(CH(3))(2)基团增加了效价与RARalpha,RARbeta和RXRalpha的特异性(与1相比),但对RXRbeta和RXRgamma激活的影响很小。尽管1和3无法激活RARgamma,但2确实以与9-顺-视黄酸(9