作者:Anil Vasudevan、Mary K. Verzal、Clara I. Villamil、Kent D. Stewart、Cele Abad-Zapatero、Tetsuro Oie、Stevan W. Djuric
DOI:10.1016/j.bmcl.2012.06.009
日期:2012.7
isoindolinone and aminoindazole systems were surprisingly found to have similar potencies in the case of the indazolinone chemical series. An interpretation using differential hinge hydrogen bonding and tautomeric equilibrium of indazolinone ring system is supported by quantum mechanics calculations. The equipotent inhibition of a representative kinase (KDR) by regioisomeric indazolinones 4 and 5 is clear evidence
报道了含有吲唑啉酮的激酶抑制剂的设计和合成。在吲唑啉酮化学系列的情况下,令人惊讶地发现在先前报道的异吲哚啉酮和氨基吲唑系统中表现出巨大效价变化的区域异构体具有相似的效价。量子力学计算支持使用吲哚啉酮环系统的差分铰链氢键和互变异构平衡的解释。区域异构的吲唑啉酮4和5对代表性激酶(KDR)的等价抑制作用清楚地表明,在吲唑啉酮铰链的情况下,两种互变异构体均受到同等青睐,因此在设计抑制剂时应予以考虑。