Lesperance, Maxime; Roy, Jenny; Djiemeny Ngueta, Adrien; Maltais, Rene; Poirier, Donald published their research in Steroids in 2021. The article was titled ãSynthesis of 16β-derivatives of 3-(2-bromoethyl)-estra-1,3,5(10)-trien-17β-ol as inhibitors of 17β-HSD1 and/or steroid sulfatase for the treatment of estrogen-dependent diseasesã?Application of 26153-38-8 The article contains the following contents:
17β-Hydroxysteroid dehydrogenase type 1 (17β-HSD1) and steroid sulfatase (STS) are involved in the synthesis of the most potent estrogen in the human body, estradiol (E2). These enzymes are known to play a pivotal role in the progression of estrogen-dependent diseases, such as breast cancer and endometriosis. Therefore, the inhibition of 17β-HSD1 and/or STS represents a promising avenue to modulate the growth of estrogen-dependent tumors or lesions. We recently established the key role of a bromoethyl side chain added at the C3-position of a 16β-carbamoyl-benzyl-E2 nucleus to covalently inhibit 17β-HSD1. To extend the structure-activity relationship study to the C16β-position of this new selective irreversible inhibitor (PBRM), we synthesized a series of analog compounds by changing the nature of the C16β-side chain but keeping the 2-bromoethyl group at position C3. We determined their 17β-HSD1 inhibitions in T-47D cells (transformation of E1 into E2), but we did not obtain a stronger 17β-HSD1 inhibitor than PBRM. Two compounds were found to be more likely to bind to the catalytic site and showed a promising but moderate inhibitory activity with estimated IC50 values of 0.5 and 0.7μM, resp. (about 10 times higher than PBRM). Interestingly, adding one or two sulfamate groups in the D-ring’s surroundings did not significantly decrease compounds’ potential to inhibit 17β-HSD1, but clearly improved their potential to inhibit STS. These results open the door to the development of a new family of steroid derivatives with dual (17β-HSD1 and STS) inhibiting actions. In addition to this study using 3,5-Dihydroxybenzaldehyde, there are many other studies that have used 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Application of 26153-38-8) was used in this study.
3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is used as a building block in the synthesis of more complex structures. It is also used in the synthesis of terbutaline, which is an important bronchodilator.Application of 26153-38-8
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