Discovery of 6-Phenylpyrimido[4,5-<i>b</i>][1,4]oxazines as Potent and Selective Acyl CoA:Diacylglycerol Acyltransferase 1 (DGAT1) Inhibitors with in Vivo Efficacy in Rodents
作者:Brian M. Fox、Kazuyuki Sugimoto、Kiyosei Iio、Atsuhito Yoshida、Jian (Ken) Zhang、Kexue Li、Xiaolin Hao、Marc Labelle、Marie-Louise Smith、Steven M. Rubenstein、Guosen Ye、Dustin McMinn、Simon Jackson、Rebekah Choi、Bei Shan、Ji Ma、Shichang Miao、Takuya Matsui、Nobuya Ogawa、Masahiro Suzuki、Akio Kobayashi、Hidekazu Ozeki、Chihiro Okuma、Yukihito Ishii、Daisuke Tomimoto、Noboru Furakawa、Masahiro Tanaka、Mutsuyoshi Matsushita、Mitsuru Takahashi、Takashi Inaba、Shoichi Sagawa、Frank Kayser
DOI:10.1021/jm500135c
日期:2014.4.24
The discovery and optimization of a series of acyl CoA:diacylglycerol acyltransferase 1 (DGAT1) inhibitors based on a pyrimido[4,5-b][1,4]oxazine scaffold is described. The SAR of a moderately potent HTS hit was investigated resulting in the discovery of phenylcyclohexylacetic acid 1, which displayed good DGAT1 inhibitory activity, selectivity, and PK properties. During preclinical toxicity studies
描述和优化了一系列基于嘧啶[4,5- b ] [1,4]恶嗪骨架的酰基辅酶A:二酰基甘油酰基转移酶1(DGAT1)抑制剂。对中等强度HTS命中的SAR进行了研究,结果发现了苯基环己基乙酸1,该苯基环己基乙酸显示出良好的DGAT1抑制活性,选择性和PK性能。在临床前毒性研究过程中,观察到代谢物1升高了肝酶ALT和AST的水平。随后,合成类似物以排除有毒代谢物的形成。这项工作导致发现了螺螺茚满42,与1相比,螺螺茚满42显示出对DGAT1抑制作用的显着改善。。Spiroindane 42在啮齿动物体内具有良好的耐受性,在小鼠口服甘油三酸酯摄取研究中显示出功效,并且在临床前毒性研究中具有可接受的安全性。