Synthesis of (bis)Sulfonic acid, (bis)Benzamides as follicle-Stimulating hormone (FSH) antagonists
作者:Jay Wrobel、Daniel Green、James Jetter、Wenling Kao、John Rogers、M Claudia Pérez、Jill Hardenburg、Darlene C Deecher、Francisco J López、Brian J Arey、Emily S Shen
DOI:10.1016/s0968-0896(01)00324-8
日期:2002.3
Screening efforts identified (bis)sulfonic acid. (bis)benzamides (1-3) as compounds that interact with the follicle stimulating-hormone receptor (FSHR) and inhibit FSH-stimulated CAMP accumulation with IC50 values in the low micromolar range. Structure-activity relationship studies using novel analogues of 1-3 revealed that two phenylsulfonic acid moieties were necessary for activity and that the carbon-carbon double bond of the stilbene sub-series was the optimum spacer connecting these groups. Selected analogues (2, 14, and 50) were also able to block FSHR-dependent estradiol production in rat primary ovarian granulosa cells and progesterone secretion in a clonal mouse adrenal Y1 cell line. IC50 values for these compounds in these assays were in the low micromolar range. Optimization of the benzoic acid side chains of 1-3 led to gains in selectivity versus activity at the thyroid stimulating hormone (TSH) receptor (TSHR). For instance, while stilbene (bis)sulfonic acid congener 2 was only 10-fold selective for FSHR over TSHR, analogue 50 with an IC50 value of 0.9 muM in the FSHR-cAMP assay was essentially inactive at 30muM in the TSHR-cAMP assay. (C) 2002 Elsevier Science Ltd. All rights reserved.