Lanman Brian A, Cee Victor J, Cheruku Srinivasa R, Frohn Mike, Golden Jennifer, Lin Jian, Lobera Mercedes, Marantz Yael, Muller Kristine M, Neira Susana C, Pickrell Alexander J, Rivenzon-Segal Dalia, Schutz Nili, Sharadendu Anurag, Yu Xiang, Zhang Zhaoda, Buys Janet, Fiorino Mike, Gore Anu, Horner Michelle, Itano Andrea, McElvain Michele, Middleton Scot, Schrag Michael, Vargas Hugo M, Xu Han, Xu Yang, Zhang Xuxia, Siu Jerry, Bürli Roland W
Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States.
EPIX Pharmaceuticals Inc., 167 Worcester Street, Suite 201, Wellesley Hills, Massachusetts 02481, United States.
ACS Med Chem Lett. 2010 Nov 9;2(2):102-6. doi: 10.1021/ml100228m. eCollection 2011 Feb 10.
Optimization of a benzofuranyl S1P1 agonist lead compound (3) led to the discovery of 1-(3-fluoro-4-(5-(2-fluorobenzyl)benzo[d]thiazol-2-yl)benzyl)azetidine-3-carboxylic acid (14), a potent S1P1 agonist with minimal activity at S1P3. Dosed orally at 0.3 mg/kg, 14 significantly reduced blood lymphocyte counts 24 h postdose and attenuated a delayed type hypersensitivity (DTH) response to antigen challenge.
对苯并呋喃基S1P1激动剂先导化合物(3)进行优化,从而发现了1-(3-氟-4-(5-(2-氟苄基)苯并[d]噻唑-2-基)苄基)氮杂环丁烷-3-羧酸(14),这是一种强效S1P1激动剂,对S1P3的活性极小。以0.3 mg/kg的剂量口服给药时,14在给药后24小时显著降低了血液淋巴细胞计数,并减弱了对抗原攻击的迟发型超敏反应(DTH)。